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4115 Commits

Author SHA1 Message Date
antirez b93b0adc89 Sentinel: epoch introduced. 
Sentinel state now includes the idea of current epoch and config epoch.
In the Hello message, that is now published both on masters and slaves,
a Sentinel no longer just advertises itself but also broadcasts its
current view of the configuration: the master name / ip / port and its
current epoch.

Sentinels receiving such information switch to the new master if the
configuration epoch received is newer and the ip / port of the master
are indeed different compared to the previos ones.
 2013-11-11 11:05:58 +01:00
antirez b2f834390c Log to what master a slave is going to connect to. 2013-11-11 09:25:36 +01:00
antirez a5e7358a12 Cluster: removed not needed newline at end of redisLog() msg. 2013-11-08 17:28:02 +01:00
antirez 28071caf38 Cluster: send a single UPDATE packet for now. 2013-11-08 17:25:49 +01:00
antirez d289c628b1 Cluster: replace hardcoded 4096 for bus msg len with sizeof(). 2013-11-08 17:19:19 +01:00
antirez 94a07d5901 Cluster: slots update refactored + UPDATE msg processing. 
Now there is a function that handles the update of the local slot
configuration every time we have some new info about a node and its set
of served slots and configEpoch.

Moreoever the UPDATE packets are now processed when received (it was a
work in progress in the previous commit).
 2013-11-08 17:02:10 +01:00
antirez dc43f66eac Cluster: UPDATE msg data structure and sending function. 2013-11-08 16:26:50 +01:00
antirez 6c6572be95 Cluster: refactoring of slots update code and more. 
The commit also introduces detection of nodes publishing not updated
configuration. More work in progress to send an UPDATE packet to inform
of the config change.
 2013-11-08 10:32:16 +01:00
antirez d3588dc194 Fix broken rdbWriteRaw() return value check in rdb.c. 
Thanks to @PhoneLi for reporting.
 2013-11-07 23:53:18 +01:00
antirez d75ab87226 redis-trib: fixed slot allocation when --replicas is used. 2013-11-07 16:12:06 +01:00
antirez e1a1d904de Merge branch 'unstable' of github.com:/antirez/redis into unstable 2013-11-06 11:30:44 +01:00
antirez 80da056c29 Sentinel: sentinelSendSlaveOf() was missing a var and the prototype. 2013-11-06 11:23:53 +01:00
antirez 23800d9e49 Sentinel: increment pending_commands counter in two more places. 
AUTH and SCRIPT KILL were sent without incrementing the pending commands
counter. Clearly this needs some kind of wrapper doing it for the caller
in order to be less bug prone.
 2013-11-06 11:21:44 +01:00
antirez 671c1dfb56 Sentinel: always send CONFIG REWRITE when changing instance role. 
This change makes Sentinel less fragile about a number of failure modes.

This commit also fixes a different bug as a side effect, SLAVEOF command
was sent multiple times without incrementing the pending commands count.
 2013-11-06 11:13:27 +01:00
Salvatore Sanfilippo b5ec3ede7a Merge pull request #1365 from yaauie/deprecate-redis-copy-script 
Deprecate utils/redis-copy.rb in favor of redis-copy gem
 2013-11-06 00:42:03 -08:00
Ryan Biesemeyer ae8642fb79 Deprecate utils/redis-copy.rb in favor of redis-copy gem 2013-11-06 08:31:57 +00:00
antirez 5fd6dee0e6 Fixed typo in parseScanCursorOrReply(): ad -> at. 
Thanks to @badboy for reporting it.
 2013-11-05 17:23:11 +01:00
antirez ebcb6251e6 SCAN code refactored to parse cursor first. 
The previous implementation of SCAN parsed the cursor in the generic
function implementing SCAN, SSCAN, HSCAN and ZSCAN.

The actual higher-level command implementation only checked for empty
keys and return ASAP in that case. The result was that inverting the
arguments of, for instance, SSCAN for example and write:

    SSCAN 0 key

Instead of

    SSCAN key 0

Resulted into no error, since 0 is a non-existing key name very likely.
Just the iterator returned no elements at all.

In order to fix this issue the code was refactored to extract the
function to parse the cursor and return the error. Every higher level
command implementation now parses the cursor and later checks if the key
exist or not.
 2013-11-05 15:47:50 +01:00
antirez b4048dfec0 SCAN: when iterating ziplists or intsets always return cursor of 0. 
The previous implementation assumed that the first call always happens
with cursor set to 0, this may not be the case, and we want to return 0
anyway otherwise the (broken) client code will loop forever.
 2013-11-05 15:32:25 +01:00
antirez 101d4bf867 Use strtoul() instead of sscanf() in SCAN implementation. 2013-11-05 15:30:21 +01:00
antirez bf79c0cda2 Added tests for [SHZ]SCAN with MATCH. 2013-11-05 15:19:44 +01:00
antirez f56f78d159 HSCAN/ZSCAN: skip value when matching. 
This fixes issue #1360 and #1362.
 2013-11-05 12:16:29 +01:00
antirez 1a0cea33a0 Cluster: initialize senderConfigEpoch and senderCurrentEpoch for warnings suppression. 2013-11-05 12:01:07 +01:00
antirez eb95d28898 Pass int64_t to intsetGet() instead of long long. 2013-11-05 11:57:30 +01:00
antirez 20fb91fd31 removed not used vars in dictScan(). 2013-11-05 11:56:11 +01:00
antirez 6cf230ea91 Initial support for --replicas in redis-trib. 2013-11-05 11:24:24 +01:00
antirez 9fba193a59 SSCAN with integer encoded object test improved. 2013-10-31 10:37:27 +01:00
antirez c4ca5f99bf Inverted variable boolean value and name after scanGenericCommand() refactoring. 2013-10-31 10:35:56 +01:00
antirez 8fc85a1218 scanGenericCommand() refactoring and handling of integer encoded elements. 
This commit fixes issue #1354.
 2013-10-31 10:32:39 +01:00
antirez e6bb738b87 Regression test added for [SHZ]SCAN issue #1354. 2013-10-31 09:43:21 +01:00
antirez 0b8a0ca4bc Test: added a SCAN test trying to trigger HT resize. 2013-10-30 16:50:25 +01:00
antirez 6cb52256c9 Test: added ZSCAN test. 2013-10-30 16:25:53 +01:00
antirez 1b960378e8 Test: added HSCAN test. 2013-10-30 16:24:39 +01:00
antirez ddc80e026f Test: added SSCAN test. 2013-10-30 11:58:04 +01:00
antirez 5fdb94fd98 SCAN test keys sorting turned into more idiomatic Tcl. 2013-10-30 11:36:12 +01:00
antirez a881827b6e SCAN: tests moved to unit/scan.tcl. 2013-10-30 11:34:01 +01:00
antirez 3c7a0677b0 redis-benchmark: update help for new __rand_int__ form. 2013-10-28 18:13:42 +01:00
antirez 9b2d44e63f Aesthetic fix (missing space) into HSCAN and ZSCAN implementations. 
Thanks to @badboy for reporting.
 2013-10-28 13:20:11 +01:00
antirez 2c643ffa8d ZSCAN implemented. 2013-10-28 11:36:42 +01:00
antirez e50090aa06 HSCAN implemented. 2013-10-28 11:35:26 +01:00
antirez 4a1f1cc0d7 SSCAN implemented. 2013-10-28 11:17:32 +01:00
antirez dfeaa84d46 dictScan(): empty hash table requires special handling. 2013-10-28 11:17:18 +01:00
antirez cd8cb49dc4 SCAN is a random command and does not require output sorting. 
Sorting the output helps when we want to turn a non-deterministic into a
deterministic command, in that case this is not possible.
 2013-10-28 11:13:43 +01:00
antirez 442ae833b2 SCAN: refactored into scanGenericCommand. 
The new implementation is capable of iterating the keyspace but also
sets, hashes, and sorted sets, and can be used to implement SSCAN, ZSCAN
and HSCAN.
 2013-10-28 11:11:34 +01:00
antirez 7bd45659b9 Fixed typos in dictScan() comment. 2013-10-25 17:05:55 +02:00
antirez 34c207227c dictScan() algorithm documented. 2013-10-25 17:01:30 +02:00
antirez 48ea8a0a11 SCAN: stay inside 80 cols. 2013-10-25 12:01:49 +02:00
antirez df13adb037 Revert "Fixed typo in SCAN comment. iff -> if." 
Probably here Pieter means "if and only if".

This reverts commit 43fdf3b404.
 2013-10-25 12:00:13 +02:00
antirez a25fe0b28d SCAN: simplify keys list cleanup using listSetFreeMethod(). 2013-10-25 11:58:03 +02:00
antirez 0471b90844 SCAN: Fix test after option renamed from PATTERN to MATCH. 2013-10-25 11:55:28 +02:00