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This is the testing branch. It will become Redis 3.2 after more fixes | ||
and possibly more features will be added. | ||
Redis 3.2 release notes | ||
======================= | ||
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All the potentially very unstable work will go into the "unstable" branch. | ||
Fixes and safe features will be back ported here into "testing" for some | ||
time, then RC1 will be released and we'll freeze the code base. | ||
-------------------------------------------------------------------------------- | ||
Upgrade urgency levels: | ||
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LOW: No need to upgrade unless there are new features you want to use. | ||
MODERATE: Program an upgrade of the server, but it's not urgent. | ||
HIGH: There is a critical bug that may affect a subset of users. Upgrade! | ||
CRITICAL: There is a critical bug affecting MOST USERS. Upgrade ASAP. | ||
-------------------------------------------------------------------------------- | ||
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--[ Redis 3.2.0 RC1 (version 3.1.101) ] Release date: 23 dec 2015 | ||
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This is the first release candidate of Redis 3.2. The changelog above shows | ||
what's new in this release. In the next of the following weeks we'll test | ||
in depth every feature and we'll release new RCs as bugs are discovered | ||
and fixed. Note that while 3.2 looks solid already, it contains many changes | ||
to its internals. It's still fresh code compared to 3.0. | ||
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General changes: | ||
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* [NEW] Lua scripts "effect replication". Makes possible to write scripts | ||
with side effects, use of random commands, and so forth. | ||
(Salvatore Sanfilippo) | ||
* [NEW] Geo indexing support via GEOADD, GEORADIUS and other commands. | ||
See http://redis.io/commands/geoadd for more information. | ||
(Initially implemented in a fork of Redis called "Ardb". | ||
Matt Stancliff "imported back" the work to Redis and created the | ||
initial API and implementation. Salvatore Sanfilippo modified | ||
the API and the implementation, fixed bugs, improved performances | ||
and unified the duplicated code with t_zset.c) | ||
* [NEW] Lua debugger. A complete stepping, remote debugger for Lua scripts. | ||
Video here: https://www.youtube.com/watch?v=IMvRfStaoyM | ||
* [NEW] SDS improvements for speed and maximum string length. | ||
This makes Redis more memory efficient in different use cases. | ||
(Design and implementation by Oran Agra, some additional work | ||
by Salvatore Sanfilippo) | ||
* [NEW] Modify Jemalloc size classes to make certain Redis objects fit | ||
better, improving memory efficiency. (Oran Agra) | ||
* [NEW] Better consistency behavior between masters and slaves for expired | ||
keys. The slaves are only able to logically consider a key expired | ||
even before receiving the `DEL` command from the master. This avoids | ||
the delay there is sometimes between the natural expire of the key | ||
and the moment the slave is notified. (Salvatore Sanfilippo) | ||
* [NEW] Support daemon supervision by upstart or systemd (Pierre-Yves Ritschard) | ||
* [NEW] New encoding for the List type: Quicklists. Very important memory | ||
savings and storage space in RDB gains (up to 10x sometimes). | ||
(Design and implementation by Matt Stancliff. RDB storage reworked | ||
by Salvatore Sanfilippo) | ||
* [NEW] SPOP with optional count argument. (Initial implementation by | ||
Alon Diamant, mostly reimplemented by Salvatore Sanfilippo for speed | ||
and in order to make the replication of a this class of commands, | ||
having as logical effect the execution of multiple commands, possible). | ||
* [NEW] Support for RDB AUX fields. Now RDB files contain additional info | ||
like the creation date, version of Redis generating it and so forth. | ||
(Salvatore Sanfilippo) | ||
* [NEW] Faster RDB loading via the RESIZEDB opcode to avoid useless hash tables | ||
rehashings. (Salvatore Sanfilippo) | ||
* [NEW] HSTRLEN command. (@landmime and Salvatore Sanfilippo) | ||
* [NEW] CONFIG SET/GET implementations refactored, partially rewritten, | ||
now exposing more config options. (Salvatore Sanfilippo) | ||
* [NEW] CLUSTER NODES major speedup. (Salvatore Sanfilippo) | ||
* [NEW] CLIENT KILL TYPE MASTER, to kill (disconnect) masters from slaves. | ||
(Salvatore Sanfilippo) | ||
* [NEW] Jemalloc updated to 4.0.3 (Salvatore Sanfilippo) | ||
* [NEW] DEBUG RESTART/CRASH-AND-RECOVER [delay] (Salvatore Sanfilippo) | ||
* [NEW] CLIENT REPLY command implemented: ON, OFF and SKIP modes. | ||
(Salvatore Sanfilippo) | ||
* [NEW] Crash report produced by Redis on crash improved. (Salvatore Sanfilippo) | ||
* [NEW] Better memory test on crash. (Salvatore Sanfilippo) | ||
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Redis Cluster changes: | ||
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* All the Redis Cluster changes in 3.2 were backported to 3.0, so there is | ||
technically nothing new for now in this release. | ||
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Redis Sentinel changes: | ||
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* [NEW] Sentinel connection sharing. Makes Sentinels able to scale to | ||
monitor many masters. (Salvatore Sanfilippo) | ||
* [NEW] New SENTINEL INFO-CACHE command. (Matt Stancliff) | ||
* More things backported to Redis 3.0 in the past, so no longer news of 3.2. | ||
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Migrating from 3.0 to 3.2 | ||
========================= | ||
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Redis 3.0 is mostly a strict subset of 3.2, you should not have any problem | ||
upgrading your application from 3.0 to 3.2. However this is a list of small | ||
non-backward compatible changes introduced in the 3.2 release: | ||
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* The default configuration file now binds to 127.0.0.1. | ||
* Slaves try to no longer expose stale data about already expired keys. | ||
* The RDB format changed. Redis 3.2 is still able to read 3.0 (and all the | ||
past versions) files, but not the other way around. | ||
* Behavior on crash may be different. The crash log format changed and | ||
the memory test executed is now different. | ||
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-------------------------------------------------------------------------------- | ||
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Credits: For each release, a list of changes with the relative author is | ||
provided. Where not specified the implementation and design is done by | ||
Salvatore Sanfilippo. Thanks to Redis Labs for making all this possible. | ||
Also many thanks to all the other contributors and the amazing community | ||
we have. | ||
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Commit messages may contain additional credits. | ||
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Cheers, | ||
Salvatore |
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#define REDIS_VERSION "3.1.999" | ||
#define REDIS_VERSION "3.1.101" |