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Author SHA1 Message Date
antirez
7062ca6ff0 RDB: LRU/LFU branches missed continue. 2018-03-15 16:33:18 +01:00
antirez
68b3ee4bc8 RDB: Ability to load LFU/LRU info. 2018-03-15 16:24:53 +01:00
antirez
d4d246f296 RDB: Ability to save LFU/LRU info. 
This is a big win for caching use cases, since on reloading Redis will
still have some idea about what is worth to evict and what not.
However this only solves part of the problem because the information is
only partially propagated to slaves (on write operations). Reads will
not affect slaves LFU and LRU counters, so after a failover the eviction
decisions are kinda random until keys start to collect some aging/freq info.

However since new slaves are initially populated via RDB file transfer,
this means that if we spin up a new slave from a master, and perform an
immediate manual failover (for instance in order to upgrade the master),
the slave will have eviction informations to use for some time.

The LFU/LRU info is persisted only if the maxmemory policy is set to one
of the relevant type, even if no actual "maxmemory"  memory limit is
set.
 2018-03-15 13:15:55 +01:00
antirez
3234561da8 CG: XINFO STREAM. 2018-03-15 12:54:10 +01:00
antirez
1f10a99efd CG: XINFO GROUPS + output format changes. 
XINFO is mainly an observability command that will be used more by
humans than computers, and even when used by computers it will be a very
low traffic command. For this reason the format was changed in order to
have field names. They'll consume some bandwidth and CPU cycles, but in
this context this is much better than having to understand what the
numbers in the output array are.
 2018-03-15 12:54:10 +01:00
antirez
78bdd568a4 CG: XINFO CONSUMERS implemented. 2018-03-15 12:54:10 +01:00
antirez
0928fa5329 Streams: fix XREAD missing check for NULL object. 2018-03-15 12:54:10 +01:00
antirez
d726c9b403 CG: throw an error if XREADGROUP is used without GROUP. 2018-03-15 12:54:10 +01:00
antirez
9c7ec7e3ce CG: XGROUP DELCONSUMER implemented. 2018-03-15 12:54:10 +01:00
antirez
7401931ba6 CG: remove stale comment. XREADGROUP is now implemented. 2018-03-15 12:54:10 +01:00
antirez
15fbccb055 CG: implement RETRYCOUNT in XCLAIM. 2018-03-15 12:54:10 +01:00
antirez
8f1f95971f CG: fix CG RDB loading not found conditional. 2018-03-15 12:54:10 +01:00
antirez
a742aae422 CG: NACK created by XCLAIM FORCE must be set in global PEL. 2018-03-15 12:54:10 +01:00
antirez
8799e5582c CG: implement XCLAIM FORCE option. 2018-03-15 12:54:10 +01:00
antirez
0c4a8532c6 CG: XCLAIM now updates the idle time of the message. 2018-03-15 12:54:10 +01:00
antirez
4c1db9b9e7 Streams: trap more errors in stream loading + RDB check type name. 2018-03-15 12:54:10 +01:00
antirez
bebd33993c CG: XCLAIM, use minidle and fix array len. 2018-03-15 12:54:10 +01:00
antirez
106eb6adcc CG: remove unused argument from streamReplyWithRangeFromConsumerPEL(). 2018-03-15 12:54:10 +01:00
antirez
3ecf2a1005 CG: fix RDB saving when there are no consumer groups. 2018-03-15 12:54:10 +01:00
antirez
fe9a0b9d6d Streams: fix error description for XADD when specified ID is small. 2018-03-15 12:54:10 +01:00
antirez
d3c15ef886 CG: XCLAIM initial draft. 2018-03-15 12:54:10 +01:00
antirez
535c016ddf Make addReplyError...() family functions able to get error codes. 
Now you can use:

    addReplyError("-MYERRORCODE some message");

If the error code is omitted, the behavior is like in the past,
the generic -ERR will be used.
 2018-03-15 12:54:10 +01:00
antirez
72282c440b CG: test XACK remaining features. 2018-03-15 12:54:10 +01:00
antirez
c72389ef0f CG: test XACK ability to remove items from the PELs. 2018-03-15 12:54:10 +01:00
antirez
862c29fc1b CG: test XPENDING ability to return pending items. 2018-03-15 12:54:10 +01:00
antirez
0a5272cea8 CG: test XGROUPREAD abilities. 2018-03-15 12:54:10 +01:00
antirez
b3ae33b2ad CG: test group creation. 2018-03-15 12:54:10 +01:00
antirez
8d3c0e4186 CG: More specific duplicated group error. 2018-03-15 12:54:10 +01:00
antirez
bd4dd842ea CG: RDB loading, fix inverted conditional. 2018-03-15 12:54:10 +01:00
antirez
f979275a2a CG: RDB loading first implementation. 2018-03-15 12:54:10 +01:00
antirez
80da510011 CG: RDB saving part 2, consumers. 2018-03-15 12:54:10 +01:00
antirez
9a686b82cd CG: RDB saving part 1, metadata and PEL. 2018-03-15 12:54:10 +01:00
antirez
922b74828b CG: XPENDING should not create consumers and obey to count. 2018-03-15 12:54:10 +01:00
antirez
c139073709 CG: XPENDING with start/stop/count variant implemented. 2018-03-15 12:54:10 +01:00
antirez
a85f0fc571 CG: XPENDING without start/stop variant implemented. 2018-03-15 12:54:10 +01:00
antirez
f49cbaf84c CG: Now XREADGROUP + blocking operations work. 2018-03-15 12:54:10 +01:00
antirez
55b705689f CG: XACK should return zero when nothing is processed. 2018-03-15 12:54:10 +01:00
antirez
9b2223cebd CG: XACK implementation. 2018-03-15 12:54:10 +01:00
antirez
d82968ece2 CG: XREADGROUP can fetch data from the consumer PEL. 2018-03-15 12:54:10 +01:00
antirez
018f8a3c1d CG: first draft of streamReplyWithRangeFromConsumerPEL(). 2018-03-15 12:54:10 +01:00
antirez
391e1082a4 CG: Fix order of calls in streamReplyWithRange(). 
We need to check if we are going to serve the request via the PEL before
inserting a deferred array len in the client output buffer.
 2018-03-15 12:54:10 +01:00
antirez
840ad8cec6 CG: creation of NACK entries in PELs. 2018-03-15 12:54:10 +01:00
antirez
28d36e3aa3 CG: fix XREADGROUP ">" special ID parsing due to missing "continue". 2018-03-15 12:54:10 +01:00
antirez
e0733ff7f8 CG: streamCompareID() + group last_id updating. 2018-03-15 12:54:10 +01:00
antirez
0f43a908f9 CG: consumer lookup + initial streamReplyWithRange() work to supprot CG. 2018-03-15 12:54:10 +01:00
antirez
23dc98ac52 CG: add & populate group+consumer in the blocking state. 2018-03-15 12:54:10 +01:00
antirez
20bc183ef8 CG: fix parsing in XREADGROUP and streamLookupCG() NULL check. 2018-03-15 12:54:10 +01:00
antirez
ffedba44e5 CG: add XREADGROUP in the command table. 2018-03-15 12:54:10 +01:00
antirez
d293a8a11e CG: XGROUPREAD group option parsing and groups lookup. 2018-03-15 12:54:10 +01:00
antirez
7dba47a535 CG: fix raxFind() retval check in streamCreateCG(). 2018-03-15 12:54:10 +01:00