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737 lines
31 KiB
Tcl
737 lines
31 KiB
Tcl
# SPDX-FileCopyrightText: 2024 Redict Contributors
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# SPDX-FileCopyrightText: 2024 Salvatore Sanfilippo <antirez at gmail dot com>
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#
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# SPDX-License-Identifier: BSD-3-Clause
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# SPDX-License-Identifier: LGPL-3.0-only
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proc test_memory_efficiency {range} {
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r flushall
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set rd [redict_deferring_client]
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set base_mem [s used_memory]
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set written 0
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for {set j 0} {$j < 10000} {incr j} {
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set key key:$j
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set val [string repeat A [expr {int(rand()*$range)}]]
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$rd set $key $val
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incr written [string length $key]
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incr written [string length $val]
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incr written 2 ;# A separator is the minimum to store key-value data.
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}
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for {set j 0} {$j < 10000} {incr j} {
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$rd read ; # Discard replies
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}
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set current_mem [s used_memory]
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set used [expr {$current_mem-$base_mem}]
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set efficiency [expr {double($written)/$used}]
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return $efficiency
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}
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start_server {tags {"memefficiency external:skip"}} {
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foreach {size_range expected_min_efficiency} {
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32 0.15
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64 0.25
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128 0.35
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1024 0.75
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16384 0.82
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} {
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test "Memory efficiency with values in range $size_range" {
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set efficiency [test_memory_efficiency $size_range]
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assert {$efficiency >= $expected_min_efficiency}
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}
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}
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}
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run_solo {defrag} {
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proc test_active_defrag {type} {
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if {[string match {*jemalloc*} [s mem_allocator]] && [r debug mallctl arenas.page] <= 8192} {
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test "Active defrag main dictionary: $type" {
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r config set hz 100
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r config set activedefrag no
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r config set active-defrag-threshold-lower 5
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r config set active-defrag-cycle-min 65
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r config set active-defrag-cycle-max 75
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r config set active-defrag-ignore-bytes 2mb
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r config set maxmemory 100mb
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r config set maxmemory-policy allkeys-lru
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populate 700000 asdf1 150
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populate 100 asdf1 150 0 false 1000
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populate 170000 asdf2 300
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populate 100 asdf2 300 0 false 1000
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assert {[scan [regexp -inline {expires\=([\d]*)} [r info keyspace]] expires=%d] > 0}
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after 120 ;# serverCron only updates the info once in 100ms
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set frag [s allocator_frag_ratio]
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if {$::verbose} {
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puts "frag $frag"
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}
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assert {$frag >= 1.4}
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r config set latency-monitor-threshold 5
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r latency reset
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r config set maxmemory 110mb ;# prevent further eviction (not to fail the digest test)
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set digest [debug_digest]
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catch {r config set activedefrag yes} e
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if {[r config get activedefrag] eq "activedefrag yes"} {
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# Wait for the active defrag to start working (decision once a
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# second).
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wait_for_condition 50 100 {
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[s total_active_defrag_time] ne 0
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} else {
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after 120 ;# serverCron only updates the info once in 100ms
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puts [r info memory]
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puts [r info stats]
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puts [r memory malloc-stats]
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fail "defrag not started."
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}
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# This test usually runs for a while, during this interval, we test the range.
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assert_range [s active_defrag_running] 65 75
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r config set active-defrag-cycle-min 1
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r config set active-defrag-cycle-max 1
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after 120 ;# serverCron only updates the info once in 100ms
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assert_range [s active_defrag_running] 1 1
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r config set active-defrag-cycle-min 65
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r config set active-defrag-cycle-max 75
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# Wait for the active defrag to stop working.
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wait_for_condition 2000 100 {
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[s active_defrag_running] eq 0
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} else {
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after 120 ;# serverCron only updates the info once in 100ms
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puts [r info memory]
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puts [r memory malloc-stats]
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fail "defrag didn't stop."
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}
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# Test the fragmentation is lower.
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after 120 ;# serverCron only updates the info once in 100ms
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set frag [s allocator_frag_ratio]
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set max_latency 0
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foreach event [r latency latest] {
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lassign $event eventname time latency max
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if {$eventname == "active-defrag-cycle"} {
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set max_latency $max
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}
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}
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if {$::verbose} {
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puts "frag $frag"
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set misses [s active_defrag_misses]
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set hits [s active_defrag_hits]
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puts "hits: $hits"
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puts "misses: $misses"
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puts "max latency $max_latency"
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puts [r latency latest]
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puts [r latency history active-defrag-cycle]
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}
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assert {$frag < 1.1}
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# due to high fragmentation, 100hz, and active-defrag-cycle-max set to 75,
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# we expect max latency to be not much higher than 7.5ms but due to rare slowness threshold is set higher
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if {!$::no_latency} {
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assert {$max_latency <= 30}
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}
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}
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# verify the data isn't corrupted or changed
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set newdigest [debug_digest]
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assert {$digest eq $newdigest}
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r save ;# saving an rdb iterates over all the data / pointers
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# if defrag is supported, test AOF loading too
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if {[r config get activedefrag] eq "activedefrag yes" && $type eq "standalone"} {
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test "Active defrag - AOF loading" {
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# reset stats and load the AOF file
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r config resetstat
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r config set key-load-delay -25 ;# sleep on average 1/25 usec
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r debug loadaof
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r config set activedefrag no
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# measure hits and misses right after aof loading
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set misses [s active_defrag_misses]
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set hits [s active_defrag_hits]
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after 120 ;# serverCron only updates the info once in 100ms
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set frag [s allocator_frag_ratio]
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set max_latency 0
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foreach event [r latency latest] {
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lassign $event eventname time latency max
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if {$eventname == "while-blocked-cron"} {
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set max_latency $max
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}
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}
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if {$::verbose} {
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puts "AOF loading:"
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puts "frag $frag"
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puts "hits: $hits"
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puts "misses: $misses"
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puts "max latency $max_latency"
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puts [r latency latest]
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puts [r latency history "while-blocked-cron"]
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}
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# make sure we had defrag hits during AOF loading
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assert {$hits > 100000}
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# make sure the defragger did enough work to keep the fragmentation low during loading.
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# we cannot check that it went all the way down, since we don't wait for full defrag cycle to complete.
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assert {$frag < 1.4}
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# since the AOF contains simple (fast) SET commands (and the cron during loading runs every 1024 commands),
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# it'll still not block the loading for long periods of time.
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if {!$::no_latency} {
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assert {$max_latency <= 40}
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}
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}
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} ;# Active defrag - AOF loading
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}
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r config set appendonly no
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r config set key-load-delay 0
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test "Active defrag eval scripts: $type" {
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r flushdb
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r script flush sync
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r config resetstat
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r config set hz 100
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r config set activedefrag no
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r config set active-defrag-threshold-lower 5
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r config set active-defrag-cycle-min 65
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r config set active-defrag-cycle-max 75
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r config set active-defrag-ignore-bytes 1500kb
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r config set maxmemory 0
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set n 50000
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# Populate memory with interleaving script-key pattern of same size
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set dummy_script "--[string repeat x 400]\nreturn "
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set rd [redict_deferring_client]
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for {set j 0} {$j < $n} {incr j} {
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set val "$dummy_script[format "%06d" $j]"
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$rd script load $val
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$rd set k$j $val
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}
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for {set j 0} {$j < $n} {incr j} {
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$rd read ; # Discard script load replies
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$rd read ; # Discard set replies
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}
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after 120 ;# serverCron only updates the info once in 100ms
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if {$::verbose} {
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puts "used [s allocator_allocated]"
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puts "rss [s allocator_active]"
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puts "frag [s allocator_frag_ratio]"
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puts "frag_bytes [s allocator_frag_bytes]"
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}
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assert_lessthan [s allocator_frag_ratio] 1.05
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# Delete all the keys to create fragmentation
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for {set j 0} {$j < $n} {incr j} { $rd del k$j }
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for {set j 0} {$j < $n} {incr j} { $rd read } ; # Discard del replies
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$rd close
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after 120 ;# serverCron only updates the info once in 100ms
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if {$::verbose} {
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puts "used [s allocator_allocated]"
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puts "rss [s allocator_active]"
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puts "frag [s allocator_frag_ratio]"
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puts "frag_bytes [s allocator_frag_bytes]"
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}
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assert_morethan [s allocator_frag_ratio] 1.4
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catch {r config set activedefrag yes} e
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if {[r config get activedefrag] eq "activedefrag yes"} {
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# wait for the active defrag to start working (decision once a second)
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wait_for_condition 50 100 {
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[s total_active_defrag_time] ne 0
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} else {
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after 120 ;# serverCron only updates the info once in 100ms
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puts [r info memory]
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puts [r info stats]
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puts [r memory malloc-stats]
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fail "defrag not started."
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}
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# wait for the active defrag to stop working
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wait_for_condition 500 100 {
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[s active_defrag_running] eq 0
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} else {
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after 120 ;# serverCron only updates the info once in 100ms
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puts [r info memory]
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puts [r memory malloc-stats]
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fail "defrag didn't stop."
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}
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# test the fragmentation is lower
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after 120 ;# serverCron only updates the info once in 100ms
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if {$::verbose} {
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puts "used [s allocator_allocated]"
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puts "rss [s allocator_active]"
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puts "frag [s allocator_frag_ratio]"
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puts "frag_bytes [s allocator_frag_bytes]"
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}
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assert_lessthan_equal [s allocator_frag_ratio] 1.05
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}
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# Flush all script to make sure we don't crash after defragging them
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r script flush sync
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} {OK}
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test "Active defrag big keys: $type" {
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r flushdb
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r config resetstat
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r config set hz 100
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r config set activedefrag no
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r config set active-defrag-max-scan-fields 1000
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r config set active-defrag-threshold-lower 5
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r config set active-defrag-cycle-min 65
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r config set active-defrag-cycle-max 75
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r config set active-defrag-ignore-bytes 2mb
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r config set maxmemory 0
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r config set list-max-ziplist-size 5 ;# list of 10k items will have 2000 quicklist nodes
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r config set stream-node-max-entries 5
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r hmset hash h1 v1 h2 v2 h3 v3
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r lpush list a b c d
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r zadd zset 0 a 1 b 2 c 3 d
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r sadd set a b c d
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r xadd stream * item 1 value a
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r xadd stream * item 2 value b
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r xgroup create stream mygroup 0
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r xreadgroup GROUP mygroup Alice COUNT 1 STREAMS stream >
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# create big keys with 10k items
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set rd [redict_deferring_client]
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for {set j 0} {$j < 10000} {incr j} {
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$rd hset bighash $j [concat "asdfasdfasdf" $j]
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$rd lpush biglist [concat "asdfasdfasdf" $j]
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$rd zadd bigzset $j [concat "asdfasdfasdf" $j]
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$rd sadd bigset [concat "asdfasdfasdf" $j]
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$rd xadd bigstream * item 1 value a
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}
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for {set j 0} {$j < 50000} {incr j} {
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$rd read ; # Discard replies
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}
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# create some small items (effective in cluster-enabled)
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r set "{bighash}smallitem" val
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r set "{biglist}smallitem" val
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r set "{bigzset}smallitem" val
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r set "{bigset}smallitem" val
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r set "{bigstream}smallitem" val
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set expected_frag 1.7
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if {$::accurate} {
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# scale the hash to 1m fields in order to have a measurable the latency
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for {set j 10000} {$j < 1000000} {incr j} {
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$rd hset bighash $j [concat "asdfasdfasdf" $j]
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}
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for {set j 10000} {$j < 1000000} {incr j} {
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$rd read ; # Discard replies
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}
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# creating that big hash, increased used_memory, so the relative frag goes down
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set expected_frag 1.3
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}
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# add a mass of string keys
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for {set j 0} {$j < 500000} {incr j} {
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$rd setrange $j 150 a
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}
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for {set j 0} {$j < 500000} {incr j} {
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$rd read ; # Discard replies
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}
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assert_equal [r dbsize] 500015
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# create some fragmentation
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for {set j 0} {$j < 500000} {incr j 2} {
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$rd del $j
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}
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for {set j 0} {$j < 500000} {incr j 2} {
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$rd read ; # Discard replies
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}
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assert_equal [r dbsize] 250015
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# start defrag
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after 120 ;# serverCron only updates the info once in 100ms
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set frag [s allocator_frag_ratio]
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if {$::verbose} {
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puts "frag $frag"
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}
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assert {$frag >= $expected_frag}
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r config set latency-monitor-threshold 5
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r latency reset
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set digest [debug_digest]
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catch {r config set activedefrag yes} e
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if {[r config get activedefrag] eq "activedefrag yes"} {
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# wait for the active defrag to start working (decision once a second)
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wait_for_condition 50 100 {
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[s total_active_defrag_time] ne 0
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} else {
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after 120 ;# serverCron only updates the info once in 100ms
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puts [r info memory]
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puts [r info stats]
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puts [r memory malloc-stats]
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fail "defrag not started."
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}
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# wait for the active defrag to stop working
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wait_for_condition 500 100 {
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[s active_defrag_running] eq 0
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} else {
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after 120 ;# serverCron only updates the info once in 100ms
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puts [r info memory]
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puts [r memory malloc-stats]
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fail "defrag didn't stop."
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}
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# test the fragmentation is lower
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after 120 ;# serverCron only updates the info once in 100ms
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set frag [s allocator_frag_ratio]
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set max_latency 0
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foreach event [r latency latest] {
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lassign $event eventname time latency max
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if {$eventname == "active-defrag-cycle"} {
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set max_latency $max
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}
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}
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if {$::verbose} {
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puts "frag $frag"
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set misses [s active_defrag_misses]
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set hits [s active_defrag_hits]
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puts "hits: $hits"
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puts "misses: $misses"
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puts "max latency $max_latency"
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puts [r latency latest]
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puts [r latency history active-defrag-cycle]
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}
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assert {$frag < 1.1}
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# due to high fragmentation, 100hz, and active-defrag-cycle-max set to 75,
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# we expect max latency to be not much higher than 7.5ms but due to rare slowness threshold is set higher
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if {!$::no_latency} {
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assert {$max_latency <= 30}
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}
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}
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# verify the data isn't corrupted or changed
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set newdigest [debug_digest]
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assert {$digest eq $newdigest}
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r save ;# saving an rdb iterates over all the data / pointers
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} {OK}
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test "Active defrag pubsub: $type" {
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r flushdb
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r config resetstat
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r config set hz 100
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r config set activedefrag no
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r config set active-defrag-threshold-lower 5
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r config set active-defrag-cycle-min 65
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r config set active-defrag-cycle-max 75
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r config set active-defrag-ignore-bytes 1500kb
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r config set maxmemory 0
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# Populate memory with interleaving pubsub-key pattern of same size
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set n 50000
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set dummy_channel "[string repeat x 400]"
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set rd [redict_deferring_client]
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set rd_pubsub [redict_deferring_client]
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for {set j 0} {$j < $n} {incr j} {
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set channel_name "$dummy_channel[format "%06d" $j]"
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$rd_pubsub subscribe $channel_name
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$rd_pubsub read ; # Discard subscribe replies
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$rd_pubsub ssubscribe $channel_name
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$rd_pubsub read ; # Discard ssubscribe replies
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$rd set k$j $channel_name
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$rd read ; # Discard set replies
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}
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after 120 ;# serverCron only updates the info once in 100ms
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if {$::verbose} {
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puts "used [s allocator_allocated]"
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puts "rss [s allocator_active]"
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puts "frag [s allocator_frag_ratio]"
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puts "frag_bytes [s allocator_frag_bytes]"
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}
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assert_lessthan [s allocator_frag_ratio] 1.05
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# Delete all the keys to create fragmentation
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for {set j 0} {$j < $n} {incr j} { $rd del k$j }
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for {set j 0} {$j < $n} {incr j} { $rd read } ; # Discard del replies
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$rd close
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after 120 ;# serverCron only updates the info once in 100ms
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if {$::verbose} {
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puts "used [s allocator_allocated]"
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puts "rss [s allocator_active]"
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puts "frag [s allocator_frag_ratio]"
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puts "frag_bytes [s allocator_frag_bytes]"
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}
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assert_morethan [s allocator_frag_ratio] 1.35
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catch {r config set activedefrag yes} e
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if {[r config get activedefrag] eq "activedefrag yes"} {
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# wait for the active defrag to start working (decision once a second)
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wait_for_condition 50 100 {
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[s total_active_defrag_time] ne 0
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} else {
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after 120 ;# serverCron only updates the info once in 100ms
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puts [r info memory]
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puts [r info stats]
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puts [r memory malloc-stats]
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fail "defrag not started."
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}
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# wait for the active defrag to stop working
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wait_for_condition 500 100 {
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[s active_defrag_running] eq 0
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} else {
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after 120 ;# serverCron only updates the info once in 100ms
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puts [r info memory]
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puts [r memory malloc-stats]
|
|
fail "defrag didn't stop."
|
|
}
|
|
|
|
# test the fragmentation is lower
|
|
after 120 ;# serverCron only updates the info once in 100ms
|
|
if {$::verbose} {
|
|
puts "used [s allocator_allocated]"
|
|
puts "rss [s allocator_active]"
|
|
puts "frag [s allocator_frag_ratio]"
|
|
puts "frag_bytes [s allocator_frag_bytes]"
|
|
}
|
|
assert_lessthan_equal [s allocator_frag_ratio] 1.05
|
|
}
|
|
|
|
# Publishes some message to all the pubsub clients to make sure that
|
|
# we didn't break the data structure.
|
|
for {set j 0} {$j < $n} {incr j} {
|
|
set channel "$dummy_channel[format "%06d" $j]"
|
|
r publish $channel "hello"
|
|
assert_equal "message $channel hello" [$rd_pubsub read]
|
|
$rd_pubsub unsubscribe $channel
|
|
$rd_pubsub read
|
|
r spublish $channel "hello"
|
|
assert_equal "smessage $channel hello" [$rd_pubsub read]
|
|
$rd_pubsub sunsubscribe $channel
|
|
$rd_pubsub read
|
|
}
|
|
$rd_pubsub close
|
|
}
|
|
|
|
if {$type eq "standalone"} { ;# skip in cluster mode
|
|
test "Active defrag big list: $type" {
|
|
r flushdb
|
|
r config resetstat
|
|
r config set hz 100
|
|
r config set activedefrag no
|
|
r config set active-defrag-max-scan-fields 1000
|
|
r config set active-defrag-threshold-lower 5
|
|
r config set active-defrag-cycle-min 65
|
|
r config set active-defrag-cycle-max 75
|
|
r config set active-defrag-ignore-bytes 2mb
|
|
r config set maxmemory 0
|
|
r config set list-max-ziplist-size 5 ;# list of 500k items will have 100k quicklist nodes
|
|
|
|
# create big keys with 10k items
|
|
set rd [redict_deferring_client]
|
|
|
|
set expected_frag 1.7
|
|
# add a mass of list nodes to two lists (allocations are interlaced)
|
|
set val [string repeat A 100] ;# 5 items of 100 bytes puts us in the 640 bytes bin, which has 32 regs, so high potential for fragmentation
|
|
set elements 500000
|
|
for {set j 0} {$j < $elements} {incr j} {
|
|
$rd lpush biglist1 $val
|
|
$rd lpush biglist2 $val
|
|
}
|
|
for {set j 0} {$j < $elements} {incr j} {
|
|
$rd read ; # Discard replies
|
|
$rd read ; # Discard replies
|
|
}
|
|
|
|
# create some fragmentation
|
|
r del biglist2
|
|
|
|
# start defrag
|
|
after 120 ;# serverCron only updates the info once in 100ms
|
|
set frag [s allocator_frag_ratio]
|
|
if {$::verbose} {
|
|
puts "frag $frag"
|
|
}
|
|
|
|
assert {$frag >= $expected_frag}
|
|
r config set latency-monitor-threshold 5
|
|
r latency reset
|
|
|
|
set digest [debug_digest]
|
|
catch {r config set activedefrag yes} e
|
|
if {[r config get activedefrag] eq "activedefrag yes"} {
|
|
# wait for the active defrag to start working (decision once a second)
|
|
wait_for_condition 50 100 {
|
|
[s total_active_defrag_time] ne 0
|
|
} else {
|
|
after 120 ;# serverCron only updates the info once in 100ms
|
|
puts [r info memory]
|
|
puts [r info stats]
|
|
puts [r memory malloc-stats]
|
|
fail "defrag not started."
|
|
}
|
|
|
|
# wait for the active defrag to stop working
|
|
wait_for_condition 500 100 {
|
|
[s active_defrag_running] eq 0
|
|
} else {
|
|
after 120 ;# serverCron only updates the info once in 100ms
|
|
puts [r info memory]
|
|
puts [r info stats]
|
|
puts [r memory malloc-stats]
|
|
fail "defrag didn't stop."
|
|
}
|
|
|
|
# test the fragmentation is lower
|
|
after 120 ;# serverCron only updates the info once in 100ms
|
|
set misses [s active_defrag_misses]
|
|
set hits [s active_defrag_hits]
|
|
set frag [s allocator_frag_ratio]
|
|
set max_latency 0
|
|
foreach event [r latency latest] {
|
|
lassign $event eventname time latency max
|
|
if {$eventname == "active-defrag-cycle"} {
|
|
set max_latency $max
|
|
}
|
|
}
|
|
if {$::verbose} {
|
|
puts "frag $frag"
|
|
puts "misses: $misses"
|
|
puts "hits: $hits"
|
|
puts "max latency $max_latency"
|
|
puts [r latency latest]
|
|
puts [r latency history active-defrag-cycle]
|
|
}
|
|
assert {$frag < 1.1}
|
|
# due to high fragmentation, 100hz, and active-defrag-cycle-max set to 75,
|
|
# we expect max latency to be not much higher than 7.5ms but due to rare slowness threshold is set higher
|
|
if {!$::no_latency} {
|
|
assert {$max_latency <= 30}
|
|
}
|
|
|
|
# in extreme cases of stagnation, we see over 20m misses before the tests aborts with "defrag didn't stop",
|
|
# in normal cases we only see 100k misses out of 500k elements
|
|
assert {$misses < $elements}
|
|
}
|
|
# verify the data isn't corrupted or changed
|
|
set newdigest [debug_digest]
|
|
assert {$digest eq $newdigest}
|
|
r save ;# saving an rdb iterates over all the data / pointers
|
|
r del biglist1 ;# coverage for quicklistBookmarksClear
|
|
} {1}
|
|
|
|
test "Active defrag edge case: $type" {
|
|
# there was an edge case in defrag where all the slabs of a certain bin are exact the same
|
|
# % utilization, with the exception of the current slab from which new allocations are made
|
|
# if the current slab is lower in utilization the defragger would have ended up in stagnation,
|
|
# kept running and not move any allocation.
|
|
# this test is more consistent on a fresh server with no history
|
|
start_server {tags {"defrag"} overrides {save ""}} {
|
|
r flushdb
|
|
r config resetstat
|
|
r config set hz 100
|
|
r config set activedefrag no
|
|
r config set active-defrag-max-scan-fields 1000
|
|
r config set active-defrag-threshold-lower 5
|
|
r config set active-defrag-cycle-min 65
|
|
r config set active-defrag-cycle-max 75
|
|
r config set active-defrag-ignore-bytes 1mb
|
|
r config set maxmemory 0
|
|
set expected_frag 1.3
|
|
|
|
r debug mallctl-str thread.tcache.flush VOID
|
|
# fill the first slab containing 32 regs of 640 bytes.
|
|
for {set j 0} {$j < 32} {incr j} {
|
|
r setrange "_$j" 600 x
|
|
r debug mallctl-str thread.tcache.flush VOID
|
|
}
|
|
|
|
# add a mass of keys with 600 bytes values, fill the bin of 640 bytes which has 32 regs per slab.
|
|
set rd [redict_deferring_client]
|
|
set keys 640000
|
|
for {set j 0} {$j < $keys} {incr j} {
|
|
$rd setrange $j 600 x
|
|
}
|
|
for {set j 0} {$j < $keys} {incr j} {
|
|
$rd read ; # Discard replies
|
|
}
|
|
|
|
# create some fragmentation of 50%
|
|
set sent 0
|
|
for {set j 0} {$j < $keys} {incr j 1} {
|
|
$rd del $j
|
|
incr sent
|
|
incr j 1
|
|
}
|
|
for {set j 0} {$j < $sent} {incr j} {
|
|
$rd read ; # Discard replies
|
|
}
|
|
|
|
# create higher fragmentation in the first slab
|
|
for {set j 10} {$j < 32} {incr j} {
|
|
r del "_$j"
|
|
}
|
|
|
|
# start defrag
|
|
after 120 ;# serverCron only updates the info once in 100ms
|
|
set frag [s allocator_frag_ratio]
|
|
if {$::verbose} {
|
|
puts "frag $frag"
|
|
}
|
|
|
|
assert {$frag >= $expected_frag}
|
|
|
|
set digest [debug_digest]
|
|
catch {r config set activedefrag yes} e
|
|
if {[r config get activedefrag] eq "activedefrag yes"} {
|
|
# wait for the active defrag to start working (decision once a second)
|
|
wait_for_condition 50 100 {
|
|
[s total_active_defrag_time] ne 0
|
|
} else {
|
|
after 120 ;# serverCron only updates the info once in 100ms
|
|
puts [r info memory]
|
|
puts [r info stats]
|
|
puts [r memory malloc-stats]
|
|
fail "defrag not started."
|
|
}
|
|
|
|
# wait for the active defrag to stop working
|
|
wait_for_condition 500 100 {
|
|
[s active_defrag_running] eq 0
|
|
} else {
|
|
after 120 ;# serverCron only updates the info once in 100ms
|
|
puts [r info memory]
|
|
puts [r info stats]
|
|
puts [r memory malloc-stats]
|
|
fail "defrag didn't stop."
|
|
}
|
|
|
|
# test the fragmentation is lower
|
|
after 120 ;# serverCron only updates the info once in 100ms
|
|
set misses [s active_defrag_misses]
|
|
set hits [s active_defrag_hits]
|
|
set frag [s allocator_frag_ratio]
|
|
if {$::verbose} {
|
|
puts "frag $frag"
|
|
puts "hits: $hits"
|
|
puts "misses: $misses"
|
|
}
|
|
assert {$frag < 1.1}
|
|
assert {$misses < 10000000} ;# when defrag doesn't stop, we have some 30m misses, when it does, we have 2m misses
|
|
}
|
|
|
|
# verify the data isn't corrupted or changed
|
|
set newdigest [debug_digest]
|
|
assert {$digest eq $newdigest}
|
|
r save ;# saving an rdb iterates over all the data / pointers
|
|
}
|
|
} ;# standalone
|
|
}
|
|
}
|
|
}
|
|
|
|
start_cluster 1 0 {tags {"defrag external:skip cluster"} overrides {appendonly yes auto-aof-rewrite-percentage 0 save ""}} {
|
|
test_active_defrag "cluster"
|
|
}
|
|
|
|
start_server {tags {"defrag external:skip standalone"} overrides {appendonly yes auto-aof-rewrite-percentage 0 save ""}} {
|
|
test_active_defrag "standalone"
|
|
}
|
|
} ;# run_solo
|