X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/b46251d92970468f5e55e06db1f580acf1fab1c4..615e414c5d9add3c0445d28b6d7ca62905dc8cd8:/TODO diff --git a/TODO b/TODO index e7943307..dd6ba28b 100644 --- a/TODO +++ b/TODO @@ -9,19 +9,24 @@ WARNING: are you a possible Redis contributor? us, and *how* exactly this can be implemented to have good changes of a merge. Otherwise it is probably wasted work! Thank you -DISKSTORE TODO -============== -* Fix FLUSHALL/FLUSHDB: the queue of pending reads/writes should be handled. -* Check that 00/00 and ff/ff exist at startup, otherwise exit with error. -* Implement sync flush option, where data is written synchronously on disk when a command is executed. -* Implement MULTI/EXEC as transaction abstract API to diskstore.c, with transaction_start, transaction_end, and a journal to recover. -* Stop BGSAVE thread on shutdown and any other condition where the child is killed during normal bgsave. -* Fix RANDOMKEY to really do something interesting -* Fix DBSIZE to really do something interesting -* Add a DEBUG command to check if an entry is or not in memory currently +API CHANGES +=========== -* dscache.c near 236, kobj = createStringObject... we could use static obj. +* Turn commands into variadic versions when it makes sense, that is, when + the variable number of arguments represent values, and there is no conflict + with the return value of the command. + +CLUSTER +======= + +* Implement rehashing and cluster check in redis-trib. +* Reimplement MIGRATE / RESTORE to use just in memory buffers (no disk at + all). This will require touching a lot of the RDB stuff around, but we may + hand with faster persistence for RDB. +* Implement the slave nodes semantics and election. +* Allow redis-trib to create a cluster-wide snapshot (using SYNC). +* Allow redis-trib to restore a cluster-wide snapshot (implement UPLOAD?). APPEND ONLY FILE ================ @@ -36,6 +41,8 @@ OPTIMIZATIONS * SORT: Don't copy the list into a vector when BY argument is constant. * 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. * Read-only mode for slaves. +* Redis big lists as linked lists of small ziplists? + 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. REPORTING ========= @@ -58,4 +65,21 @@ KNOWN BUGS What happens if between 1 and 2 for some reason (system under huge load or alike) too many time passes? We should prevent expires while the AOF is loading. +* #519: Slave may have expired keys that were never read in the master (so a DEL + is not sent in the replication channel) but are already expired since + a lot of time. Maybe after a given delay that is undoubltly greater than + the replication link latency we should expire this key on the slave on + access? +DISKSTORE TODO +============== + +* Fix FLUSHALL/FLUSHDB: the queue of pending reads/writes should be handled. +* Check that 00/00 and ff/ff exist at startup, otherwise exit with error. +* Implement sync flush option, where data is written synchronously on disk when a command is executed. +* Implement MULTI/EXEC as transaction abstract API to diskstore.c, with transaction_start, transaction_end, and a journal to recover. +* Stop BGSAVE thread on shutdown and any other condition where the child is killed during normal bgsave. +* Fix RANDOMKEY to really do something interesting +* Fix DBSIZE to really do something interesting +* Add a DEBUG command to check if an entry is or not in memory currently +* dscache.c near 236, kobj = createStringObject... we could use static obj.