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redis-benchmark: improved help and warnings (#9419)

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1. The output of --help:

  * On the Usage line, just write [OPTIONS] [COMMAND ARGS...] instead listing
    only a few arbitrary options and no command.
  * For --cluster, describe that if the command is supplied on the command line,
    the key must contain "{tag}". Otherwise, the command will not be sent to the
    right cluster node.
  * For -r, add a note that if -r is omitted, all commands in a benchmark will
    use the same key. Also align the description.
  * For -t, describe that -t is ignored if a command is supplied on the command
    line.

2. Print a warning if -t is present when a specific command is supplied.

3. Print all warnings and errors to stderr.

4. Remove -e from calls in redis-benchmark test suite.
This commit is contained in:
Viktor Söderqvist 2021-08-29 13:31:08 +02:00 committed by GitHub
parent b375f5919e
commit 97dcf95cc8
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 44 additions and 23 deletions
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57
src/redis-benchmark.c
View File

@ -1256,8 +1256,9 @@ static int fetchClusterConfiguration() {
}
}
if (node->slots_count == 0) {
printf("WARNING: master node %s:%d has no slots, skipping...\n",
node->ip, node->port);
fprintf(stderr,
"WARNING: Master node %s:%d has no slots, skipping...\n",
node->ip, node->port);
continue;
}
if (!addClusterNode(node)) {
@ -1289,7 +1290,8 @@ static int fetchClusterSlotsConfiguration(client c) {
atomicGetIncr(config.is_fetching_slots, is_fetching_slots, 1);
if (is_fetching_slots) return -1; //TODO: use other codes || errno ?
atomicSet(config.is_fetching_slots, 1);
printf("WARNING: Cluster slots configuration changed, fetching new one...\n");
fprintf(stderr,
"WARNING: Cluster slots configuration changed, fetching new one...\n");
const char *errmsg = "Failed to update cluster slots configuration";
static dictType dtype = {
dictSdsHash, /* hash function */
@ -1467,8 +1469,9 @@ int parseOptions(int argc, char **argv) {
} else if (!strcmp(argv[i],"-I")) {
config.idlemode = 1;
} else if (!strcmp(argv[i],"-e")) {
printf("WARNING: -e option has been deprecated. "
"We now immediately exit on error to avoid false results.\n");
fprintf(stderr,
"WARNING: -e option has no effect. "
"We now immediately exit on error to avoid false results.\n");
} else if (!strcmp(argv[i],"-t")) {
if (lastarg) goto invalid;
/* We get the list of tests to run as a string in the form
@ -1493,8 +1496,9 @@ int parseOptions(int argc, char **argv) {
if (lastarg) goto invalid;
config.num_threads = atoi(argv[++i]);
if (config.num_threads > MAX_THREADS) {
printf("WARNING: too many threads, limiting threads to %d.\n",
MAX_THREADS);
fprintf(stderr,
"WARNING: Too many threads, limiting threads to %d.\n",
MAX_THREADS);
config.num_threads = MAX_THREADS;
} else if (config.num_threads < 0) config.num_threads = 0;
} else if (!strcmp(argv[i],"--cluster")) {
@ -1549,7 +1553,9 @@ invalid:
usage:
printf(
"Usage: redis-benchmark [-h <host>] [-p <port>] [-c <clients>] [-n <requests>] [-k <boolean>]\n\n"
"%s%s", /* Split to avoid strings longer than 4095 (-Woverlength-strings). */
"Usage: redis-benchmark [OPTIONS] [COMMAND ARGS...]\n\n"
"Options:\n"
" -h <hostname> Server hostname (default 127.0.0.1)\n"
" -p <port> Server port (default 6379)\n"
" -s <socket> Server socket (overrides host and port)\n"
@ -1561,15 +1567,21 @@ usage:
" --dbnum <db> SELECT the specified db number (default 0)\n"
" --threads <num> Enable multi-thread mode.\n"
" --cluster Enable cluster mode.\n"
" If the command is supplied on the command line in cluster\n"
" mode, the key must contain \"{tag}\". Otherwise, the\n"
" command will not be sent to the right cluster node.\n"
" --enable-tracking Send CLIENT TRACKING on before starting benchmark.\n"
" -k <boolean> 1=keep alive 0=reconnect (default 1)\n"
" -r <keyspacelen> Use random keys for SET/GET/INCR, random values for SADD,\n"
" random members and scores for ZADD.\n"
" Using this option the benchmark will expand the string __rand_int__\n"
" inside an argument with a 12 digits number in the specified range\n"
" from 0 to keyspacelen-1. The substitution changes every time a command\n"
" is executed. Default tests use this to hit random keys in the\n"
" specified range.\n"
" Using this option the benchmark will expand the string\n"
" __rand_int__ inside an argument with a 12 digits number in\n"
" the specified range from 0 to keyspacelen-1. The\n"
" substitution changes every time a command is executed.\n"
" Default tests use this to hit random keys in the specified\n"
" range.\n"
" Note: If -r is omitted, all commands in a benchmark will\n"
" use the same key.\n"
" -P <numreq> Pipeline <numreq> requests. Default 1 (no pipeline).\n"
" -q Quiet. Just show query/sec values\n"
" --precision Number of decimal places to display in latency output (default 0)\n"
@ -1577,6 +1589,8 @@ usage:
" -l Loop. Run the tests forever\n"
" -t <tests> Only run the comma separated list of tests. The test\n"
" names are the same as the ones produced as output.\n"
" The -t option is ignored if a specific command is supplied\n"
" on the command line.\n"
" -I Idle mode. Just open N idle connections and wait.\n"
" -x Read last argument from STDIN.\n"
#ifdef USE_OPENSSL
@ -1600,7 +1614,7 @@ usage:
#endif
#endif
" --help Output this help and exit.\n"
" --version Output version and exit.\n\n"
" --version Output version and exit.\n\n",
"Examples:\n\n"
" Run the benchmark with the default configuration against 127.0.0.1:6379:\n"
" $ redis-benchmark\n\n"
@ -1770,7 +1784,7 @@ int main(int argc, char **argv) {
printf("%s:%d\n", node->ip, node->port);
node->redis_config = getRedisConfig(node->ip, node->port, NULL);
if (node->redis_config == NULL) {
fprintf(stderr, "WARN: could not fetch node CONFIG %s:%d\n",
fprintf(stderr, "WARNING: Could not fetch node CONFIG %s:%d\n",
node->ip, node->port);
}
}
@ -1783,7 +1797,7 @@ int main(int argc, char **argv) {
config.redis_config =
getRedisConfig(config.hostip, config.hostport, config.hostsocket);
if (config.redis_config == NULL) {
fprintf(stderr, "WARN: could not fetch server CONFIG\n");
fprintf(stderr, "WARNING: Could not fetch server CONFIG\n");
}
}
if (config.num_threads > 0) {
@ -1792,7 +1806,14 @@ int main(int argc, char **argv) {
}
if (config.keepalive == 0) {
printf("WARNING: keepalive disabled, you probably need 'echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse' for Linux and 'sudo sysctl -w net.inet.tcp.msl=1000' for Mac OS X in order to use a lot of clients/requests\n");
fprintf(stderr,
"WARNING: Keepalive disabled. You probably need "
"'echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse' for Linux and "
"'sudo sysctl -w net.inet.tcp.msl=1000' for Mac OS X in order "
"to use a lot of clients/requests\n");
}
if (argc > 0 && config.tests != NULL) {
fprintf(stderr, "WARNING: Option -t is ignored.\n");
}
if (config.idlemode) {
@ -1820,7 +1841,7 @@ int main(int argc, char **argv) {
}
sds *sds_args = getSdsArrayFromArgv(argc, argv, 0);
if (!sds_args) {
printf("Invalid quoted string\n");
fprintf(stderr, "Invalid quoted string\n");
return 1;
}
if (config.stdinarg) {

10
tests/integration/redis-benchmark.tcl
View File

@ -13,7 +13,7 @@ start_server {tags {"benchmark network external:skip"}} {
test {benchmark: set,get} {
r config resetstat
r flushall
set cmd [redisbenchmark $master_host $master_port "-c 5 -n 10 -e -t set,get"]
set cmd [redisbenchmark $master_host $master_port "-c 5 -n 10 -t set,get"]
if {[catch { exec {*}$cmd } error]} {
set first_line [lindex [split $error "\n"] 0]
puts [colorstr red "redis-benchmark non zero code. first line: $first_line"]
@ -27,7 +27,7 @@ start_server {tags {"benchmark network external:skip"}} {
test {benchmark: full test suite} {
r config resetstat
set cmd [redisbenchmark $master_host $master_port "-c 10 -n 100 -e"]
set cmd [redisbenchmark $master_host $master_port "-c 10 -n 100"]
if {[catch { exec {*}$cmd } error]} {
set first_line [lindex [split $error "\n"] 0]
puts [colorstr red "redis-benchmark non zero code. first line: $first_line"]
@ -57,7 +57,7 @@ start_server {tags {"benchmark network external:skip"}} {
test {benchmark: multi-thread set,get} {
r config resetstat
r flushall
set cmd [redisbenchmark $master_host $master_port "--threads 10 -c 5 -n 10 -e -t set,get"]
set cmd [redisbenchmark $master_host $master_port "--threads 10 -c 5 -n 10 -t set,get"]
if {[catch { exec {*}$cmd } error]} {
set first_line [lindex [split $error "\n"] 0]
puts [colorstr red "redis-benchmark non zero code. first line: $first_line"]
@ -75,7 +75,7 @@ start_server {tags {"benchmark network external:skip"}} {
test {benchmark: pipelined full set,get} {
r config resetstat
r flushall
set cmd [redisbenchmark $master_host $master_port "-P 5 -c 10 -n 10010 -e -t set,get"]
set cmd [redisbenchmark $master_host $master_port "-P 5 -c 10 -n 10010 -t set,get"]
if {[catch { exec {*}$cmd } error]} {
set first_line [lindex [split $error "\n"] 0]
puts [colorstr red "redis-benchmark non zero code. first line: $first_line"]
@ -93,7 +93,7 @@ start_server {tags {"benchmark network external:skip"}} {
test {benchmark: arbitrary command} {
r config resetstat
r flushall
set cmd [redisbenchmark $master_host $master_port "-c 5 -n 150 -e INCRBYFLOAT mykey 10.0"]
set cmd [redisbenchmark $master_host $master_port "-c 5 -n 150 INCRBYFLOAT mykey 10.0"]
if {[catch { exec {*}$cmd } error]} {
set first_line [lindex [split $error "\n"] 0]
puts [colorstr red "redis-benchmark non zero code. first line: $first_line"]