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87 Commits

Author SHA1 Message Date
antirez
fe93071f33 Cluster: Initialize ip and port in createClusterNode(). 2013-02-14 13:01:28 +01:00
antirez
e60743e0fc Cluster: from 4096 to 16384 hash slots. 2013-02-14 12:49:16 +01:00
antirez
d698a264d2 TCP_NODELAY after SYNC: changes to the implementation. 2013-02-05 12:04:30 +01:00
guiquanz
df7a5b7157 Fixed many typos. 2013-01-19 10:59:44 +01:00
antirez
ee9ab14628 MIGRATE: retry one time on I/O error. 
Now that we cache connections, a retry attempt makes sure that the
operation don't fail just because there is an existing connection error
on the socket, like the other end closing the connection.

Unfortunately this condition is not detectable using
getsockopt(SO_ERROR), so the only option left is to retry.

We don't retry on timeouts.
 2012-11-14 11:30:24 +01:00
antirez
a2f07e9b00 MIGRATE: fix default timeout to 1000 milliseconds. 
When a timeout <= 0 is provided we set a default timeout of 1 second.
It was set to 1 millisecond for an error resulting from a recent change.
 2012-11-12 18:54:35 +01:00
antirez
0b98eb03cc MIGRATE timeout should be in milliseconds. 
While it is documented that the MIGRATE timeout is in milliseconds, it
was in seconds instead. This commit fixes the problem.
 2012-11-12 14:01:02 +01:00
antirez
6561ce7666 MIGRATE TCP connections caching. 
By caching TCP connections used by MIGRATE to chat with other Redis
instances a 5x performance improvement was measured with
redis-benchmark against small keys.

This can dramatically speedup cluster resharding and other processes
where an high load of MIGRATE commands are used.
 2012-11-12 00:47:24 +01:00
antirez
a32d1ddff6 BSD license added to every C source and header file. 2012-11-08 18:31:32 +01:00
antirez
7736dc2e0f COPY and REPLACE options for MIGRATE. 
With COPY now MIGRATE does not remove the key from the source instance.
With REPLACE it uses RESTORE REPLACE on the target host so that even if
the key already eixsts in the target instance it will be overwritten.

The options can be used together.
 2012-11-07 15:32:27 +01:00
antirez
dfeecba041 REPLACE option for RESTORE. 
The REPLACE option deletes an existing key with the same name (if any)
and materializes the new one. The default behavior without RESTORE is to
return an error if a key already exists.
 2012-11-07 10:57:23 +01:00
antirez
9b0b9ed3c3 Better Out of Memory handling. 
The previous implementation of zmalloc.c was not able to handle out of
memory in an application-specific way. It just logged an error on
standard error, and aborted.

The result was that in the case of an actual out of memory in Redis
where malloc returned NULL (In Linux this actually happens under
specific overcommit policy settings and/or with no or little swap
configured) the error was not properly logged in the Redis log.

This commit fixes this problem, fixing issue #509.
Now the out of memory is properly reported in the Redis log and a stack
trace is generated.

The approach used is to provide a configurable out of memory handler
to zmalloc (otherwise the default one logging the event on the
standard output is used).
 2012-08-24 12:55:37 +02:00
antirez
8424400ac6 Fixed a bug in propagation of PUBLISH via the cluster bus. 
This bug was spotted by clang on FreeBSD.
 2012-04-24 11:28:10 +02:00
antirez
6c6d6d8194 A few compiler warnings suppressed. 2012-04-24 11:11:55 +02:00
antirez
a21be85a30 Minor MIGRATE implementation simplification about ttl handling. 2012-04-10 16:46:29 +02:00
antirez
04bec19ae3 dump/restore fixed to use the new crc64 API. 2012-04-09 12:33:57 +02:00
antirez
63382fd04f Another fix for MIGRATE. 2012-04-03 15:10:42 +02:00
antirez
ea7d99fa9d Two fixed for MIGRATE: fix TTL propagation and fix transferring of data bigger than 64k. 2012-04-03 12:17:40 +02:00
antirez
960daf1cba MIGRATE now let the client distinguish I/O errors and timeouts from other erros. 2012-04-02 16:38:24 +02:00
antirez
4db68c01be DUMP/RESTORE now use CRC64 instead of truncated SHA1. 2012-04-02 13:10:39 +02:00
antirez
1834f2ea02 RESTORE ability to set a TTL fixed, bug introduced with millisecond expires. 2012-04-02 11:14:47 +02:00
antirez
e1d19467c6 Prettify source code of create/verify DUMP payload. 2012-04-02 10:52:39 +02:00
antirez
1212bff9d5 DUMP / RESTORE: store RDB version in little endian. 2012-04-02 10:46:24 +02:00
antirez
289db14b83 New DUMP format includes RDB version and truncated SHA1 checksum. 2012-04-01 12:51:40 +02:00
antirez
d05dba2e54 clusterGetRandomName() generalized into getRandomHexChars() so that we can use it for the run_id field as well. 2012-03-08 10:08:44 +01:00
antirez
39ef0b8808 Fixed another possible bug in cluster.c found by clang --analyze. 2012-01-25 16:59:36 +01:00
antirez
9ba7d2974b Fixed a non critical bug signaled by clang static analyzer thanks to Mukund Sivaraman for reporting it: there was a not initialized field populating the cluster message header, but it is always fixed at later time before sending the packet. 2012-01-25 16:46:35 +01:00
antirez
d6c3b3004e dict.c API names modified to be more coincise and consistent. 2011-11-08 17:07:55 +01:00
antirez
f846ddf3ed Fixed a few warnings compiling on Linux. 2011-10-23 10:57:01 +02:00
antirez
1539e9af39 use signalModifiedKey to set the key as dirty in the context of WATCH for both MIGRATE and RESTORE. 2011-10-20 11:17:30 +02:00
antirez
70a04c93cb First implementation of the ASKING command. Semantics still to verify. 2011-10-17 17:35:23 +02:00
antirez
5559721c9d MIGRATE +NOKEY error was missing the final CRLF causing a protocol error. 2011-10-17 16:44:08 +02:00
antirez
dc9a3ef166 Fixed a typo causing segfault on MIGRATE 2011-10-17 16:39:05 +02:00
antirez
625856b0d8 small comment added 2011-10-13 14:51:29 +02:00
antirez
773749c096 Redis Cluster: process node to node CLUSTERMSG_TYPE_PUBLISH messages and send it to the local clients. 2011-10-07 16:34:16 +02:00
antirez
4e4da410fd propagate PUBLISH messages using the redis cluster nodes bus. Still need to process the incoming packets of that type. Work in progress. 2011-10-07 15:37:34 +02:00
antirez
96c208fe73 A node can populate a slot if a message from a trusted slot is received claiming ownership of this slot, that is currently empty or served by a node in FAIL state. However this feature was broken since calling clusterAddSlot() was not enough as the slot bit is already set in the node that pong us. We need to directly alter the table. This commit fixes the issue. 2011-10-05 17:40:02 +02:00
antirez
cdd2206102 just minor aesthetic changes to cluster.c 2011-10-05 16:02:45 +02:00
antirez
357f49db2f replaced redisAssert() with redisAssertWithInfo() in a shitload of places. 2011-10-04 18:43:03 +02:00
antirez
be453487d8 Rewrite MIGRATE as DEL for AOF/replication. Also increment the dirty counter to both force replication and persistence. 2011-10-03 15:51:10 +02:00
antirez
213df92591 increment server.dirty in restore command to make sure it is replicated and increments the dirty count for persistence concerns. 2011-10-03 15:45:14 +02:00
antirez
223ec0fad1 when processing gossip packets make sure to also update the node bitmap when associating slots to nodes. Fixed simply using the appropriate helper function to add a slot. 2011-10-01 15:11:07 +02:00
antirez
f962242490 Fixed two bugs in the CLUSTER SETSLOT ... NODE subcommand 2011-09-30 22:17:24 +02:00
antirez
ce26413ea5 Clear the importing status from the slot if a CLUSTER SETSLOT command permanently assigns the slot to the importing node. 2011-09-30 19:20:56 +02:00
antirez
1bec2c3634 added comment about SETSLOT NODE form. 2011-09-29 15:26:01 +02:00
antirez
0ff23b8ab3 show node with myself flag always as connected in CLUSTER NODES output. 2011-09-28 18:28:36 +02:00
antirez
3ad12623d4 rioInitWithFile nad rioInitWithBuffer functions now take a rio structure pointer to avoid copying a structure to return value to the caller. 2011-09-22 16:00:40 +02:00
antirez
dbdf74ddfd merge conflicts resolved 2011-09-22 15:15:26 +02:00
antirez
0b00199553 DB API refactoring. The changes were designed together with Pieter Noordhuis. 2011-06-20 16:42:16 +02:00
Pieter Noordhuis
43b1feb2f0 Make RDB types/opcodes explicit; load/save object type 2011-05-13 22:14:39 +02:00