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21057 Commits

Author SHA1 Message Date
antirez
1375b0611b Cluster: slaves start failover with a small delay. 
Redis Cluster can cope with a minority of nodes not informed about the
failure of a master in time for some reason (netsplit or node not
functioning properly, blocked, ...) however to wait a few seconds before
to start the failover will make most "normal" failovers simpler as the
FAIL message will propagate before the slave election happens.
 2013-03-15 16:39:49 +01:00
antirez
acddbd3000 Cluster: a bit more serious node role change handling. 2013-03-15 16:35:16 +01:00
antirez
d512a09c20 Cluster: a bit more serious node role change handling. 2013-03-15 16:35:16 +01:00
antirez
e9f97a54c5 Cluster: remove node from master slaves when it turns into a master. 
Also, a few nearby comments improved.
 2013-03-15 16:16:19 +01:00
antirez
004fbef847 Cluster: remove node from master slaves when it turns into a master. 
Also, a few nearby comments improved.
 2013-03-15 16:16:19 +01:00
antirez
5a86ea09a8 Cluster: slave failover implemented. 2013-03-15 16:11:34 +01:00
antirez
44c92f5aeb Cluster: slave failover implemented. 2013-03-15 16:11:34 +01:00
antirez
fa4c42f230 Cluster: election -> promotion in two comments. 2013-03-15 15:44:49 +01:00
antirez
1d8f302e0d Cluster: election -> promotion in two comments. 2013-03-15 15:44:49 +01:00
antirez
24625432b5 Cluster: added function to broadcast pings. 
See the function top-comment for info why this is useful sometimes.
 2013-03-15 15:43:58 +01:00
antirez
bf82195467 Cluster: added function to broadcast pings. 
See the function top-comment for info why this is useful sometimes.
 2013-03-15 15:43:58 +01:00
antirez
b0497233f1 Cluster: don't broadcast messages to HANDSHAKE nodes. 
Also don't check for NOADDR as we check that node->link is not NULL
that's enough.
 2013-03-15 15:36:36 +01:00
antirez
892e98548a Cluster: don't broadcast messages to HANDSHAKE nodes. 
Also don't check for NOADDR as we check that node->link is not NULL
that's enough.
 2013-03-15 15:36:36 +01:00
antirez
e2662bdfcd Cluster: fix clusterHandleSlaveFailover() conditional: quorum is enough. 2013-03-15 13:20:34 +01:00
antirez
76a3954f4a Cluster: fix clusterHandleSlaveFailover() conditional: quorum is enough. 2013-03-15 13:20:34 +01:00
antirez
943e41223c Cluster: two lame bugs fixed in FAILOVER AUTH messages generation. 2013-03-14 21:27:12 +01:00
antirez
90e99a2082 Cluster: two lame bugs fixed in FAILOVER AUTH messages generation. 2013-03-14 21:27:12 +01:00
antirez
2160788260 Cluster: code to process messages moved in the right if-else chain. 2013-03-14 21:21:58 +01:00
antirez
aeacaa57e6 Cluster: code to process messages moved in the right if-else chain. 2013-03-14 21:21:58 +01:00
antirez
63e3bc7cb3 Cluster: handle FAILOVER_AUTH_ACK messages. 
That's trivial as we just need to increment the count of masters that
received with an ACK.
 2013-03-14 16:43:13 +01:00
antirez
35f05c66b6 Cluster: handle FAILOVER_AUTH_ACK messages. 
That's trivial as we just need to increment the count of masters that
received with an ACK.
 2013-03-14 16:43:13 +01:00
antirez
0ef025313a Cluster: request failover authorization, log if we have quorum. 
However the failover is yet not really performed.
 2013-03-14 16:39:02 +01:00
antirez
c2595500ac Cluster: request failover authorization, log if we have quorum. 
However the failover is yet not really performed.
 2013-03-14 16:39:02 +01:00
antirez
6aec70fbc4 Cluster: clusterSendFailoverAuth() implementation. 2013-03-14 16:31:57 +01:00
antirez
7fa42b801d Cluster: clusterSendFailoverAuth() implementation. 2013-03-14 16:31:57 +01:00
NanXiao
7b7ebdc11c Update config.c 
Fix bug in configGetCommand function: get correct masterauth value.
 2013-03-14 13:52:43 +08:00
NanXiao
79a13b46fb Update config.c 
Fix bug in configGetCommand function: get correct masterauth value.
 2013-03-14 13:52:43 +08:00
antirez
8b90a5ebb2 Cluster: clusterSendFailoverAuthIfNeeded() work in progress. 2013-03-13 19:08:03 +01:00
antirez
f59ff6fe61 Cluster: clusterSendFailoverAuthIfNeeded() work in progress. 2013-03-13 19:08:03 +01:00
antirez
3e23f6b2bf Cluster: handle FAILOVER_AUTH_REQUEST in clusterProcessPacket(). 
However currently the control is passed to a function doing nothing at
all.
 2013-03-13 18:38:08 +01:00
antirez
44f6fdab60 Cluster: handle FAILOVER_AUTH_REQUEST in clusterProcessPacket(). 
However currently the control is passed to a function doing nothing at
all.
 2013-03-13 18:38:08 +01:00
antirez
9975fac7bb Cluster: sanity check FAILOVER_AUTH_REQUEST messages for proper length. 2013-03-13 17:31:26 +01:00
antirez
ece95b2dea Cluster: sanity check FAILOVER_AUTH_REQUEST messages for proper length. 2013-03-13 17:31:26 +01:00
antirez
95f0799010 Cluster: use 'else if' for mutually exclusive conditionals. 2013-03-13 17:27:06 +01:00
antirez
66144337bf Cluster: use 'else if' for mutually exclusive conditionals. 2013-03-13 17:27:06 +01:00
antirez
444fd457d2 Cluster: FAILOVER_AUTH_REQUEST message type introduced. 
This message is sent by a slave that is ready to failover its master to
other nodes to get the authorization from the majority of masters.
 2013-03-13 17:21:20 +01:00
antirez
db7c17e969 Cluster: FAILOVER_AUTH_REQUEST message type introduced. 
This message is sent by a slave that is ready to failover its master to
other nodes to get the authorization from the majority of masters.
 2013-03-13 17:21:20 +01:00
antirez
80158107bd Cluster: clusterHandleSlaveFailover() stub. 2013-03-13 13:10:49 +01:00
antirez
575cbc9990 Cluster: clusterHandleSlaveFailover() stub. 2013-03-13 13:10:49 +01:00
antirez
dab342a215 Replication: master_link_down_since_seconds initial value should be huge. 
server.repl_down_since used to be initialized to the current time at
startup. This is wrong since the replication never started. Clients
testing this filed to check if data is uptodate should never believe
data is recent if we never ever connected to our master.
 2013-03-13 12:54:48 +01:00
antirez
1902a9c532 Replication: master_link_down_since_seconds initial value should be huge. 
server.repl_down_since used to be initialized to the current time at
startup. This is wrong since the replication never started. Clients
testing this filed to check if data is uptodate should never believe
data is recent if we never ever connected to our master.
 2013-03-13 12:54:48 +01:00
antirez
d1d1f6cad4 Cluster: call clusterHandleSlaveFailover() when our master is down. 2013-03-13 12:44:02 +01:00
antirez
3d448bda39 Cluster: call clusterHandleSlaveFailover() when our master is down. 2013-03-13 12:44:02 +01:00
antirez
306dfee10d rdbLoad(): rework code to save vertical space. 2013-03-12 19:46:33 +01:00
antirez
79a6844e44 rdbLoad(): rework code to save vertical space. 2013-03-12 19:46:33 +01:00
Salvatore Sanfilippo
1e1afe05ed Merge pull request #1001 from djanowski/fatal-errors-rdb-load 
Abort when opening the RDB file results in an error other than ENOENT.
 2013-03-12 11:40:36 -07:00
Salvatore Sanfilippo
9925c7c670 Merge pull request #1001 from djanowski/fatal-errors-rdb-load 
Abort when opening the RDB file results in an error other than ENOENT.
 2013-03-12 11:40:36 -07:00
Damian Janowski
cce75561a0 Abort when opening the RDB file results in an error other than ENOENT. 
This fixes cases where the RDB file does exist but can't be accessed for
any reason. For instance, when the Redis process doesn't have enough
permissions on the file.
 2013-03-12 14:37:50 -03:00
Damian Janowski
4178a80282 Abort when opening the RDB file results in an error other than ENOENT. 
This fixes cases where the RDB file does exist but can't be accessed for
any reason. For instance, when the Redis process doesn't have enough
permissions on the file.
 2013-03-12 14:37:50 -03:00
antirez
3ff21be010 Set default for stop_writes_on_bgsave_err in initServerConfig(). 
It was placed for error in initServer() that's called after the
configuation is already loaded, causing issue #1000.
 2013-03-12 18:34:08 +01:00