- 13 Mar, 2013 2 commits
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antirez authored
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Damian Janowski authored
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.
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- 12 Mar, 2013 2 commits
- 11 Mar, 2013 10 commits
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antirez authored
activeExpireCycle() tries to test just a few DBs per iteration so that it scales if there are many configured DBs in the Redis instance. However this commit makes it a bit smarter when one a few of those DBs are under expiration pressure and there are many many keys to expire. What we do is to remember if in the last iteration had to return because we ran out of time. In that case the next iteration we'll test all the configured DBs so that we are sure we'll test again the DB under pressure. Before of this commit after some mass-expire in a given DB the function tested just a few of the next DBs, possibly empty, a few per iteration, so it took a long time for the function to reach again the DB under pressure. This resulted in a lot of memory being used by already expired keys and never accessed by clients.
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antirez authored
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antirez authored
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antirez authored
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antirez authored
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antirez authored
This small number of DBs is set to 16 so actually in the default configuraiton Redis should behave exactly like in the past. However the difference is that when the user configures a very large number of DBs we don't do an O(N) operation, consuming a non trivial amount of CPU per serverCron() iteration.
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antirez authored
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antirez authored
This is the first step to lower the CPU usage when many databases are configured. The other is to also process a limited number of DBs per call in the active expire cycle.
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antirez authored
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antirez authored
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- 06 Mar, 2013 10 commits
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Gengliang Wang authored
(original commit message edited)
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antirez authored
A new server.orig_commands table was added to the server structure, this contains a copy of the commant table unaffected by rename-command statements in redis.conf. A new API lookupCommandOrOriginal() was added that checks both tables, new first, old later, so that rewriteClientCommandVector() and friends can lookup commands with their new or original name in order to fix the client->cmd pointer when the argument vector is renamed. This fixes the segfault of issue #986, but does not fix a wider range of problems resulting from renaming commands that actually operate on data and are registered into the AOF file or propagated to slaves... That is command renaming should be handled with care.
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antirez authored
Usually this does not happens since we trim for " \t\r\n", but if there are other chars that return true with isspace(), we may end with an empty argv. Better to handle the condition in an explicit way.
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antirez authored
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antirez authored
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antirez authored
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antirez authored
This makes programs not checking the return value for NULL much safer since with this change: 1) It is still possible to iterate the zero-length result without crashes. 2) sdssplitargs_free will work against NULL and 0 count.
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antirez authored
An empty input string also resulted into the function returning NULL making it harder for the caller to distinguish between error and empty string without checking the original input string length.
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charsyam authored
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antirez authored
While Redis is loading the AOF or RDB file in memory only a subset of commands are allowed. This commit adds AUTH to this subset.
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- 04 Mar, 2013 2 commits
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antirez authored
This should improve things in two ways: 1) Prevent timeouts caused by the execution of long commands. 2) Improve detection of real connection errors. This is mostly effective only on Linux because of the bogus default keepalive settings. In Linux we have OS-specific calls to set the keepalive interval to reasonable values.
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0x20h authored
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- 27 Feb, 2013 7 commits
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antirez authored
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antirez authored
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antirez authored
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antirez authored
This commit also fixes redisLog() statements producing warnings.
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antirez authored
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Stam He authored
1) Add a check for aeCreateTimeEvent in function initServer.
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Stam He authored
This cased a segfault in some Linux system and was GCC-specific. Commit modified by @antirez: 1) Stripped away the part to set the proc title via config for now. 2) Handle initialization of setproctitle only when the replacement is used. 3) Don't require GCC now that the attribute constructor is no longer used.
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- 26 Feb, 2013 2 commits
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antirez authored
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antirez authored
This commit allows Redis to set a process name that includes the binding address and the port number in order to make operations simpler. Redis children processes doing AOF rewrites or RDB saving change the name into redis-aof-rewrite and redis-rdb-bgsave respectively. This in general makes harder to kill the wrong process because of an error and makes simpler to identify saving children. This feature was suggested by Arnaud GRANAL in the Redis Google Group, Arnaud also pointed me to the setproctitle.c implementation includeed in this commit. This feature should work on all the Linux, OSX, and all the three major BSD systems.
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- 25 Feb, 2013 1 commit
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Arnaud Granal authored
The parameter repl-backlog-size is not parsed correctly in the configuration file. argv[0] is parsed instead of argv[1].
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- 13 Feb, 2013 3 commits
- 12 Feb, 2013 1 commit
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antirez authored
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