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Commit | Line | Data |
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1 | Redis TODO | |
2 | ---------- | |
3 | ||
4 | WARNING: 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 | ||
13 | CLUSTER | |
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 | ||
24 | SCRIPTING | |
25 | ========= | |
26 | ||
27 | * SCRIPT FLUSH or alike to start a fresh interpreter? | |
28 | ||
29 | OPTIMIZATIONS | |
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 | ||
38 | KNOWN 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? |