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45 lines
1.7 KiB
Plaintext
45 lines
1.7 KiB
Plaintext
Redis TODO
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----------
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WARNING: are you a possible Redis contributor?
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Before implementing what is listed what is listed in this file
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please drop a message in the Redis google group or chat with
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antirez or pietern on irc.freenode.org #redis to check if the work
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is already in progress and if the feature is still interesting for
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us, and *how* exactly this can be implemented to have good changes
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of a merge. Otherwise it is probably wasted work! Thank you
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VM TODO
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=======
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* Use multiple open FDs against the VM file, one for thread.
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* Check what happens performance-wise if instead of creating threads again and again the same threads are reused forever. Note: this requires a way to disable this clients in the child, but waiting for empty new jobs queue can be enough.
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* mmap the swap file.
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* Use just a single IO Job to swap out a key, and add a mutex so that pages in the page table can be marked as used and scanned from the thread itself.
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REPLICATION
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===========
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* PING between master and slave from time to time, so we can subject the
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master-slave link to timeout, and detect when the connection is gone even
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if the socket is still up.
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OPTIMIZATIONS
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=============
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* SORT: Don't copy the list into a vector when BY argument is constant.
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* Write the hash table size of every db in the dump, so that Redis can resize the hash table just one time when loading a big DB.
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* Read-only mode for slaves.
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KNOWN BUGS
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==========
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* What happens in the following scenario:
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1) We are reading an AOF file.
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2) SETEX FOO 5 BAR
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3) APPEND FOO ZAP
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What happens if between 1 and 2 for some reason (system under huge load
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or alike) too many time passes? We should prevent expires while the
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AOF is loading.
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