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1Redis TODO
2----------
3
4WARNING: are you a possible Redis contributor?
5 Before implementing what is listed in this file
6 please drop a message in the Redis google group or chat with
7 antirez or pietern on irc.freenode.org #redis to check if the work
8 is already in progress and if the feature is still interesting for
9 us, and *how* exactly this can be implemented to have good changes
10 of a merge. Otherwise it is probably wasted work! Thank you
11
12
13CLUSTER
14=======
15
16* Implement rehashing and cluster check in redis-trib.
17* Reimplement MIGRATE / RESTORE to use just in memory buffers (no disk at
18 all). This will require touching a lot of the RDB stuff around, but we may
19 hand with faster persistence for RDB.
20* Implement the slave nodes semantics and election.
21* Allow redis-trib to create a cluster-wide snapshot (using SYNC).
22* Allow redis-trib to restore a cluster-wide snapshot (implement UPLOAD?).
23
24SCRIPTING
25=========
26
27* SCRIPT FLUSH or alike to start a fresh interpreter?
28
29OPTIMIZATIONS
30=============
31
32* SORT: Don't copy the list into a vector when BY argument is constant.
33* 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.
34* Read-only mode for slaves.
35* Redis big lists as linked lists of small ziplists?
36 Possibly a simple heuristic that join near nodes when some node gets smaller than the low_level, and split it into two if gets bigger than high_level.
37
38KNOWN BUGS
39==========
40
41* #519: Slave may have expired keys that were never read in the master (so a DEL
42 is not sent in the replication channel) but are already expired since
43 a lot of time. Maybe after a given delay that is undoubtably greater than
44 the replication link latency we should expire this key on the slave on
45 access?