- 24 Mar, 2014 1 commit
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antirez authored
Uname was profiled to be a slow syscall. It produces always the same output in the context of a single execution of Redis, so calling it at every INFO output generation does not make too much sense. The uname utsname structure was modified as a static variable. At the same time a static integer was added to check if we need to call uname the first time.
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- 21 Mar, 2014 1 commit
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antirez authored
Now CONFIG RESETSTAT makes sure to reset all the fields, and in the future it will be simpler to avoid missing new fields.
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- 05 Mar, 2014 2 commits
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antirez authored
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Matt Stancliff authored
used_memory_peak only updates in serverCron every server.hz, but Redis can use more memory and a user can request memory INFO before used_memory_peak gets updated in the next cron run. This patch updates used_memory_peak to the current memory usage if the current memory usage is higher than the recorded used_memory_peak value. (And it only calls zmalloc_used_memory() once instead of twice as it was doing before.)
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- 27 Feb, 2014 2 commits
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antirez authored
It appears to work but more stress testing, and both unit tests and fuzzy testing, is needed in order to ensure the implementation is sane.
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antirez authored
It appears to work but more stress testing, and both unit tests and fuzzy testing, is needed in order to ensure the implementation is sane.
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- 17 Feb, 2014 1 commit
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antirez authored
The code tried to obtain the configuration file absolute path after processing the configuration file. However if config file was a relative path and a "dir" statement was processed reading the config, the absolute path obtained was wrong. With this fix the absolute path is obtained before processing the configuration while the server is still in the original directory where it was executed.
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- 13 Feb, 2014 1 commit
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antirez authored
server.unixtime and server.mstime are cached less precise timestamps that we use every time we don't need an accurate time representation and a syscall would be too slow for the number of calls we require. Such an example is the initialization and update process of the last interaction time with the client, that is used for timeouts. However rdbLoad() can take some time to load the DB, but at the same time it did not updated the time during DB loading. This resulted in the bug described in issue #1535, where in the replication process the slave loads the DB, creates the redisClient representation of its master, but the timestamp is so old that the master, under certain conditions, is sensed as already "timed out". Thanks to @yoav-steinberg and Redis Labs Inc for the bug report and analysis.
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- 12 Feb, 2014 2 commits
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antirez authored
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antirez authored
A system similar to the RDB write error handling is used, in which when we can't write to the AOF file, writes are no longer accepted until we are able to write again. For fsync == always we still abort on errors since there is currently no easy way to avoid replying with success to the user otherwise, and this would violate the contract with the user of only acknowledging data already secured on disk.
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- 07 Feb, 2014 2 commits
- 03 Feb, 2014 1 commit
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antirez authored
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- 31 Jan, 2014 2 commits
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antirez authored
This is especially important since we already have a concept of backlog (the replication backlog).
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Nenad Merdanovic authored
In high RPS environments, the default listen backlog is not sufficient, so giving users the power to configure it is the right approach, especially since it requires only minor modifications to the code.
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- 28 Jan, 2014 1 commit
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antirez authored
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- 23 Dec, 2013 1 commit
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antirez authored
This was no longer the case with 2.8 becuase of a bug introduced with the IPv6 support. Now it is fixed. This fixes issue #1287 and #1477.
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- 19 Dec, 2013 1 commit
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Yubao Liu authored
Those options will be thrown without this patch: include, rename-command, min-slaves-to-write, min-slaves-max-lag, appendfilename.
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- 11 Dec, 2013 1 commit
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antirez authored
When a slave was disconnected from its master the replication offset was reported as -1. Now it is reported as the replication offset of the previous master, so that failover can be performed using this value in order to try to select a slave with more processed data from a set of slaves of the old master.
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- 05 Dec, 2013 1 commit
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antirez authored
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- 28 Nov, 2013 2 commits
- 21 Nov, 2013 2 commits
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antirez authored
This commit introduces a funciton called when Sentinel is ready for normal operations to avoid putting Sentinel specific stuff in redis.c.
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antirez authored
Some are just to know if the master is down, and in this case the runid in the request is set to "*", others are actually in order to seek for a vote and get elected. In the latter case the runid is set to the runid of the instance seeking for the vote.
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- 29 Oct, 2013 6 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
Sorting the output helps when we want to turn a non-deterministic into a deterministic command, in that case this is not possible.
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Pieter Noordhuis authored
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Pieter Noordhuis authored
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- 17 Sep, 2013 1 commit
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antirez authored
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- 27 Aug, 2013 1 commit
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antirez authored
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- 22 Aug, 2013 2 commits
- 21 Aug, 2013 4 commits
- 06 Aug, 2013 2 commits
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antirez authored
Example: db0:keys=221913,expires=221913,avg_ttl=655 The algorithm uses a running average with only two samples (current and previous). Keys found to be expired are considered at TTL zero even if the actual TTL can be negative. The TTL is reported in milliseconds.
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antirez authored
We don't want to repeat a fast cycle too soon, the previous code was broken, we need to wait two times the period *since* the start of the previous cycle in order to avoid there is an even space between cycles: .-> start .-> second start | | +-------------+-------------+--------------+ | first cycle | pause | second cycle | +-------------+-------------+--------------+ The second and first start must be PERIOD*2 useconds apart hence the *2 in the new code.
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