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Redis 3.1.101 (Redis 3.2.0 RC1).
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antirez
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00-RELEASENOTES
114
00-RELEASENOTES
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This is the testing branch. It will become Redis 3.2 after more fixes
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and possibly more features will be added.
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Redis 3.2 release notes
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=======================
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All the potentially very unstable work will go into the "unstable" branch.
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Fixes and safe features will be back ported here into "testing" for some
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time, then RC1 will be released and we'll freeze the code base.
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--------------------------------------------------------------------------------
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Upgrade urgency levels:
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LOW: No need to upgrade unless there are new features you want to use.
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MODERATE: Program an upgrade of the server, but it's not urgent.
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HIGH: There is a critical bug that may affect a subset of users. Upgrade!
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CRITICAL: There is a critical bug affecting MOST USERS. Upgrade ASAP.
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--------------------------------------------------------------------------------
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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
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what's new in this release. In the next of the following weeks we'll test
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in depth every feature and we'll release new RCs as bugs are discovered
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and fixed. Note that while 3.2 looks solid already, it contains many changes
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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
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with side effects, use of random commands, and so forth.
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(Salvatore Sanfilippo)
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* [NEW] Geo indexing support via GEOADD, GEORADIUS and other commands.
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See http://redis.io/commands/geoadd for more information.
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(Initially implemented in a fork of Redis called "Ardb".
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Matt Stancliff "imported back" the work to Redis and created the
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initial API and implementation. Salvatore Sanfilippo modified
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the API and the implementation, fixed bugs, improved performances
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and unified the duplicated code with t_zset.c)
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* [NEW] Lua debugger. A complete stepping, remote debugger for Lua scripts.
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Video here: https://www.youtube.com/watch?v=IMvRfStaoyM
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* [NEW] SDS improvements for speed and maximum string length.
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This makes Redis more memory efficient in different use cases.
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(Design and implementation by Oran Agra, some additional work
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by Salvatore Sanfilippo)
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* [NEW] Modify Jemalloc size classes to make certain Redis objects fit
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better, improving memory efficiency. (Oran Agra)
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* [NEW] Better consistency behavior between masters and slaves for expired
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keys. The slaves are only able to logically consider a key expired
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even before receiving the `DEL` command from the master. This avoids
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the delay there is sometimes between the natural expire of the key
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and the moment the slave is notified. (Salvatore Sanfilippo)
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* [NEW] Support daemon supervision by upstart or systemd (Pierre-Yves Ritschard)
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* [NEW] New encoding for the List type: Quicklists. Very important memory
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savings and storage space in RDB gains (up to 10x sometimes).
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(Design and implementation by Matt Stancliff. RDB storage reworked
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by Salvatore Sanfilippo)
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* [NEW] SPOP with optional count argument. (Initial implementation by
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Alon Diamant, mostly reimplemented by Salvatore Sanfilippo for speed
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and in order to make the replication of a this class of commands,
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having as logical effect the execution of multiple commands, possible).
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* [NEW] Support for RDB AUX fields. Now RDB files contain additional info
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like the creation date, version of Redis generating it and so forth.
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(Salvatore Sanfilippo)
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* [NEW] Faster RDB loading via the RESIZEDB opcode to avoid useless hash tables
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rehashings. (Salvatore Sanfilippo)
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* [NEW] HSTRLEN command. (@landmime and Salvatore Sanfilippo)
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* [NEW] CONFIG SET/GET implementations refactored, partially rewritten,
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now exposing more config options. (Salvatore Sanfilippo)
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* [NEW] CLUSTER NODES major speedup. (Salvatore Sanfilippo)
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* [NEW] CLIENT KILL TYPE MASTER, to kill (disconnect) masters from slaves.
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(Salvatore Sanfilippo)
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* [NEW] Jemalloc updated to 4.0.3 (Salvatore Sanfilippo)
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* [NEW] DEBUG RESTART/CRASH-AND-RECOVER [delay] (Salvatore Sanfilippo)
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* [NEW] CLIENT REPLY command implemented: ON, OFF and SKIP modes.
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(Salvatore Sanfilippo)
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* [NEW] Crash report produced by Redis on crash improved. (Salvatore Sanfilippo)
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* [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
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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
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monitor many masters. (Salvatore Sanfilippo)
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* [NEW] New SENTINEL INFO-CACHE command. (Matt Stancliff)
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* 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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=========================
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Redis 3.0 is mostly a strict subset of 3.2, you should not have any problem
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upgrading your application from 3.0 to 3.2. However this is a list of small
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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.
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* Slaves try to no longer expose stale data about already expired keys.
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* The RDB format changed. Redis 3.2 is still able to read 3.0 (and all the
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past versions) files, but not the other way around.
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* Behavior on crash may be different. The crash log format changed and
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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
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provided. Where not specified the implementation and design is done by
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Salvatore Sanfilippo. Thanks to Redis Labs for making all this possible.
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Also many thanks to all the other contributors and the amazing community
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we have.
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Commit messages may contain additional credits.
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Cheers,
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Salvatore
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@ -1 +1 @@
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#define REDIS_VERSION "3.1.999"
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#define REDIS_VERSION "3.1.101"
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