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92 Commits

Author SHA1 Message Date
John Sully
1a661c81fe Merge commit 'baaf869fc3e138cfcb4cfda09f09fd3c87c8f924' into redis_6_merge 
Former-commit-id: cbdd47d0569cd7dd5d45fa764f3f966a9bf7aee9
 2020-04-14 20:44:27 -04:00
John Sully
07005cc187 Merge commit 'be4bc1a5be26a7fde2fd05acd8187f5f0ed59f25' into redis_6_merge 
Former-commit-id: 516c8c6e231cdfc87a3db5be401407cb7afa3937
 2020-04-14 20:42:48 -04:00
John Sully
f27524674a Merge commit '973297336fc05a601e17be70aba88e5dca6480ae' into redis_6_merge 
Former-commit-id: ef1236b6009ebd7b00f6dd2f43df57ad95e51253
 2020-04-14 20:19:48 -04:00
John Sully
12999c17dd Merge commit 'df83892760d19b1b7e92d76e72daf4834ad2df6c' into redis_6_merge 
Former-commit-id: cde199a7973ad63317b68f581df607321e12bf46
 2020-04-14 19:43:04 -04:00
antirez
0fac746f0e PSYNC2: meaningful offset implemented. 
A very commonly signaled operational problem with Redis master-replicas
sets is that, once the master becomes unavailable for some reason,
especially because of network problems, many times it wont be able to
perform a partial resynchronization with the new master, once it rejoins
the partition, for the following reason:

1. The master becomes isolated, however it keeps sending PINGs to the
replicas. Such PINGs will never be received since the link connection is
actually already severed.
2. On the other side, one of the replicas will turn into the new master,
setting its secondary replication ID offset to the one of the last
command received from the old master: this offset will not include the
PINGs sent by the master once the link was already disconnected.
3. When the master rejoins the partion and is turned into a replica, its
offset will be too advanced because of the PINGs, so a PSYNC will fail,
and a full synchronization will be required.

Related to issue #7002 and other discussion we had in the past around
this problem.


Former-commit-id: 5d6e8fe3e3e43162f0c57f580b6e8432274fca30
 2020-04-14 17:56:09 -04:00
Oran Agra
10a7bfe3a2 reduce repeated calls to use_diskless_load 
this function possibly iterates on the module list


Former-commit-id: 99762dac23e26a217fcd66531ee4ca9b4d13a7ac
 2020-04-14 17:34:36 -04:00
John Sully
f084ee6f17 Fix merge conflicts from cherry-pick 
Former-commit-id: 57956b3fd2d05581c976f58d07e245896d3a515b
 2020-04-14 17:33:54 -04:00
antirez
34f7c653d5 Remove RDB files used for replication in persistence-less instances. 
Former-commit-id: b323645227a3e2cc5928e649586221aba508b10d
 2020-04-14 17:27:05 -04:00
Johannes Truschnigg
1a078be843 Signal systemd readiness atfer Partial Resync 
"Partial Resynchronization" is a special variant of replication success
that we have to tell systemd about if it is managing redis-server via a
Type=Notify service unit.


Former-commit-id: dd9502f373eb7e32aee69a30dcb521bea3ccd3ad
 2020-04-14 17:22:30 -04:00
Guy Benoish
234e6e7b09 Diskless-load emptyDb-related fixes 
1. Call emptyDb even in case of diskless-load: We want modules
   to get the same FLUSHDB event as disk-based replication.
2. Do not fire any module events when flushing the backups array.
3. Delete redundant call to signalFlushedDb (Called from emptyDb).


Former-commit-id: aa8a3077a2d20e66e34f72f2860d0cc3daad496e
 2020-04-14 17:21:10 -04:00
John Sully
4cf5373b9c Merge branch 'unstable' into redis_6_merge 
Former-commit-id: 294615531347d7db5d1b0c6a021ac9b05e0bcb48
 2020-03-30 00:52:12 -04:00
John Sully
6283ca8a2c Raspberry Pi fixes (compile and replication) 
Former-commit-id: c3d3c82f3a1751f063a3e77b4bde47f1802a517e
 2020-03-27 12:46:25 -04:00
John Sully
8011cc3c6d Fix merge issues 
Former-commit-id: b22d9cc27d0434578891c59825f1c8813a3a9b28
 2020-03-25 22:26:27 -04:00
John Sully
aaa751acb8 Merge branch 'unstable' into redis_6_merge 
Former-commit-id: 908cf5042ebcd7870166bd1a0bb450f37e5f3b4d
 2020-03-25 22:12:22 -04:00
John Sully
356ed25c62 Fix issue #143 
Former-commit-id: 6ec1641294b23e22a2a5dc5cc6098a02ce234df3
 2020-03-25 21:55:31 -04:00
John Sully
a669a40ac6 Merge branch 'unstable' into redis_6_merge 
Former-commit-id: 52fd4445a472fa3112e96c6a7ef66ecdfe6ce9f5
 2020-03-04 17:13:01 -05:00
John Sully
de2b08c3f8 Add extra logging when reporting errors from masters - especially in rreplay 
Former-commit-id: 5397f0b03312b8cace07a85333d8f035bdfb8d57
 2020-03-04 17:09:12 -05:00
John Sully
d5ed6f1b5e Merge branch 'unstable' into redis_6_merge 
Former-commit-id: 9dc8f30e4783d7e2e9749b155f6bf3df57c536a7
 2020-02-28 23:56:26 -05:00
John Sully
48ba6c173c Fix crash propogating stale keys 
Former-commit-id: d95bead3837edeca11f27f6f344eca8174ca53e3
 2020-02-26 21:49:40 -05:00
John Sully
873d5537e8 Merge branch 'unstable' into redis_6_merge 
Former-commit-id: 30a603ce05956195aa027a3400eafd48d2750ea7
 2020-02-16 18:18:24 -05:00
John Sully
5780020388 Fix memory leak of ReplicaNestState on shutdown 
Former-commit-id: 4781eda7225c2640e25387663c33ef74cd98b0c4
 2020-02-16 03:43:29 -05:00
John Sully
ee99605def Merge branch 'unstable' into redis_6_merge 
Former-commit-id: 18a5f46b6138e8a975dda0ed4897d19eed756d24
 2020-02-11 02:39:08 -05:00
John Sully
47acc74247 Fix cases where duplicate RREPLAY is applied 
Former-commit-id: c3317686f8b8d94a3b2295def899ae30e208f327
 2020-02-11 00:59:07 -05:00
John Sully
66925e9a54 CLANG build fix 
Former-commit-id: dc78bf1ccbd3dfd2de582d2a0d0be3223de3c7c3
 2020-02-10 00:29:26 -05:00
John Sully
9cd3b8253d Ensure multi-master works for ring topologies 
Former-commit-id: a7cc3aac28ccec4dadb80aa2cc7279c53982bc28
 2020-02-10 00:25:03 -05:00
John Sully
a7b7040577 replication memory leaks 
Former-commit-id: 73020b6a939f241ade7512d58a4ddf17f5a803c5
 2020-01-30 17:56:24 -05:00
John Sully
8e7f3304b2 More threading fixes from merge 
Former-commit-id: 4a980f4ddbebe3f62703aa3de67c93cdffb6b4b8
 2020-01-28 17:54:00 -05:00
John Sully
e3b2ef962b reenable multithreading after merge 
Former-commit-id: 9fbb9a551e83ddfc66894fba688dae7c9c3c7ae1
 2020-01-27 19:59:04 -05:00
John Sully
39378f982e Fix most tests (still some failures) 
Former-commit-id: da83e841255487efe0e4b13d42b2dcc55a369838
 2020-01-27 18:16:19 -05:00
John Sully
8e5fe97525 Merge remote-tracking branch 'redis/6.0' into redis_merge 
Former-commit-id: ef9a3cadcf94326bf2f163db7698aad9a3c01690
 2020-01-27 02:55:48 -05:00
John Sully
6370309b58 Drop severity of master disconnect log when multimaster is enabled 
Former-commit-id: edb993d52b25c30392c6eb1e60896498f991a223
 2020-01-02 15:36:02 -05:00
John Sully
da17594170 Fix some static analysis warnings 
Former-commit-id: 42a8f22c21706f9ddcaa63ceafc5ad817c1fe876
 2019-12-27 18:17:22 -05:00
Petr Vaněk
6eadfd5d34 Rename redis.conf to keydb.conf 
Former-commit-id: 4b01ad1e30568a5385881accedd8a841c7a7882f
 2019-12-21 15:00:24 -05:00
John Sully
3668715ba3 Fix issue #83 
Former-commit-id: 3028a890ef11cd99b2c7538de0f480d2466eb150
 2019-11-21 20:05:16 -05:00
John Sully
633b7398e1 Fix issue #107, active replicas do their own expires 
Former-commit-id: 8e4f323439df29a5e8c0de9db7a848291721fd07
 2019-11-20 19:44:31 -05:00
John Sully
bd9ea70609 Two fixes: 1) Remove race conditions by not locking clients when async writing. 2) Don't derefence dangling pointers in lambda 
Former-commit-id: cb93752aff4c67d4475e9ed17833335716c45744
 2019-10-24 23:07:02 -04:00
John Sully
5f930a4f79 If a replica is about to be closed, don't wait on its lock (potential deadlock) 
Former-commit-id: 4986dc6da9855ba14d760a89f13ec40c8bea4baf
 2019-10-23 13:20:23 -04:00
John Sully
c61b6cc8fd Update more slave instances to use replica (Issue #75) 
Former-commit-id: 252725d50fc9d4ff2b6e9246a36c38176d61beae
 2019-10-13 12:29:20 -04:00
John Sully
d4e4b4f4d1 Update a few uses of slave to use the new replica terminology (Issue #75) 
Former-commit-id: c15633ea9e784ef0e12e4015a75245661a8cf1b7
 2019-10-13 12:12:05 -04:00
John Sully
fc97c22819 Fix an intermittent crash when replicationCron happens before slavesdb is update 
Former-commit-id: 27c9ae667e515819d5be06722722ed6ff43a3205
 2019-10-13 12:04:54 -04:00
John Sully
2c6fdf0f4e RREPLAY command now takes a DB argument 
Former-commit-id: 6e1e5bd08b59f8ad4653621a6c01fcf3a76f0692
 2019-09-28 14:59:44 -04:00
John Sully
98197d7d99 Fix leaking stale RDBs during multimaster sync 
Former-commit-id: e1c96209510b374e644e5d7e7b6a009ed0f27c32
 2019-09-27 13:17:29 -04:00
John Sully
9f3cbd580e Fix multi master bugs: 1. we fail to create the temp file. 2. We use a master RDB as our backup even though we merged databases (and therefore it is not representitive) 
Former-commit-id: e776474f68a2824bb7d4082c41991a9a9f3a9c9d
 2019-09-26 20:35:51 -04:00
John Sully
ab48b2bfed Fix issue where Active Replicas were commiting data to the wrong database under load 
Former-commit-id: ac595ebe371480a924d542aa62733854eb7c527a
 2019-09-06 13:30:28 -04:00
John Sully
f3aa422a3f RREPLAY failures should be logged 
Former-commit-id: 08b6a04055e950e53f043391ec9f9a09f654b1ee
 2019-07-24 22:49:30 -04:00
John Sully
f31b1fd06b Issue #64 RREPLAY isn't binary safe. Add fix and test. 
Former-commit-id: afe66288fe9df6d8247d459e57858430f1ec7a25
 2019-07-24 22:31:02 -04:00
John Sully
f4c0c12e71 Merge commit '074d24df1e82b5c794a5da9fb6cda5b77b60b27b' into unstable 
Former-commit-id: ee460301fd160cf3fc82e52cf47d4a5f7503d781
 2019-07-18 23:20:46 -04:00
John Sully
c2eba1f742 Merge commit 'caf74e507e6535dab58ce6f3db19f8b594b5f7ca' into unstable 
Former-commit-id: 8ebe2fce3da506639acb37fedf1a2d3e47669572
 2019-07-18 23:18:42 -04:00
John Sully
79731e805a Crash when aborting SYNC with a master on a thread other than main 
Former-commit-id: a19d0f67b9fffefd9029b9a2ef3358b110302bbf
 2019-07-15 14:55:41 -04:00
John Sully
03d41318b0 Add Active Replication tests 
Former-commit-id: 528d10091fda0d2c56674e825c4f70467587955f
 2019-07-12 03:54:41 -04:00