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Reformat 4.0 RC3 change log.

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antirez 2017-04-22 13:49:41 +02:00
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27
00-RELEASENOTES
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@ -25,8 +25,6 @@ release.
Major things: Major things:
All the rest:
* Finally the infamous leakage of keys with an expire, in slaves that are * Finally the infamous leakage of keys with an expire, in slaves that are
configured as writable, is fixed. (Salvatore Sanfilippo) configured as writable, is fixed. (Salvatore Sanfilippo)
* A serious MIGRATE issue forgetting to store the TTL of the key under * A serious MIGRATE issue forgetting to store the TTL of the key under
@ -40,6 +38,20 @@ All the rest:
better, listpacks: https://gist.github.com/antirez/66ffab20190ece8a7485bd9accfbc175 (Yuval Inbar, Salvatore Sanfilippo, Oran Agra). better, listpacks: https://gist.github.com/antirez/66ffab20190ece8a7485bd9accfbc175 (Yuval Inbar, Salvatore Sanfilippo, Oran Agra).
4. Refactoring and function to dump a ziplist for debugging purposes 4. Refactoring and function to dump a ziplist for debugging purposes
(Salvatore Sanfilippo). (Salvatore Sanfilippo).
* New major feature: Memory de-fragmentation. This feature, contributed by
Oran Agra, allows Redis to perform "online defragmentation" of memory
if the Jemalloc allocator is used. There is some documentation in the
example `redis.conf` file. (Oran Agra)
* Support for ARM. (Salvatore Sanfilippo)
* Fix a very important "family of bugs" about PSYNC2, thanks to the help
of Kevin McGehee, Siran Yang and Oran Agra.
* Hash function moved to SipHash 1-2 variant. (Salvatore Sanfilippo)
* Redis Cluster failure detection improved in different ways, the most
important result is to exchange a lot less messages among nodes. (Salvatore
Sanfilippo)
All the rest:
* A bug in the modules API ziplist iterator was fixed. (Dvir Volk). * A bug in the modules API ziplist iterator was fixed. (Dvir Volk).
* The HyperLogLog implementation final cardinality approximation function * The HyperLogLog implementation final cardinality approximation function
was improved to use the LogLog-Beta algorithm. (Harish Murthy and was improved to use the LogLog-Beta algorithm. (Harish Murthy and
@ -51,17 +63,11 @@ All the rest:
used, where elements at the edge may be miss-reported). (Salvatore used, where elements at the edge may be miss-reported). (Salvatore
Sanfilippo). ***IMPORTANT*** See the list of incompatibilities below Sanfilippo). ***IMPORTANT*** See the list of incompatibilities below
since the GEO API has some potentially backward incompatible change. since the GEO API has some potentially backward incompatible change.
* New major feature: Memory de-fragmentation. This feature, contributed by
Oran Agra, allows Redis to perform "online defragmentation" of memory
if the Jemalloc allocator is used. There is some documentation in the
example `redis.conf` file. (Oran Agra)
* ZADD crash on syntax error fixed. (Itamar Haber) * ZADD crash on syntax error fixed. (Itamar Haber)
* Fixed a division by zero but in MEMORY DOCTOR. (Jan-Erik Rediger) * Fixed a division by zero but in MEMORY DOCTOR. (Jan-Erik Rediger)
* More MIGRATE bugs fixed. (Salvatore Sanfilippo) * More MIGRATE bugs fixed. (Salvatore Sanfilippo)
* Different file descriptors potential lakes fixed. (multiple authors) * Different file descriptors potential lakes fixed. (multiple authors)
* Support for ARM. (Salvatore Sanfilippo)
* Support for Solaris improved. (Salvatore Sanfilippo) * Support for Solaris improved. (Salvatore Sanfilippo)
* Hash function moved to SipHash 1-2 variant. (Salvatore Sanfilippo)
* Improve memory reclaiming in freeMemoryIfNeeded(). (Oran Agra and * Improve memory reclaiming in freeMemoryIfNeeded(). (Oran Agra and
Salvatore Sanfilippo) Salvatore Sanfilippo)
* Fixes multiple bugs in the test suite. (Salvatore Sanfilippo) * Fixes multiple bugs in the test suite. (Salvatore Sanfilippo)
@ -69,11 +75,6 @@ All the rest:
* A new data structure, the radix tree (rax.c) was introduced into Redis in * A new data structure, the radix tree (rax.c) was introduced into Redis in
order to fix a major Redis Cluster slowdown. (Salvatore Sanfilippo) order to fix a major Redis Cluster slowdown. (Salvatore Sanfilippo)
* Fix `lua-time-limit` config ignored in `redis.conf`. (Salvatore Sanfilippo) * Fix `lua-time-limit` config ignored in `redis.conf`. (Salvatore Sanfilippo)
* Redis Cluster failure detection improved in different ways, the most
important result is to exchange a lot less messages among nodes. (Salvatore
Sanfilippo)
* Fix a very important "family of bugs" about PSYNC2, thanks to the help
of Kevin McGehee, Siran Yang and Oran Agra.
* Jemalloc downgraded to an apparently safe version, given that recent * Jemalloc downgraded to an apparently safe version, given that recent
releases apparently hang under certain conditions. See Redis issue #3799. releases apparently hang under certain conditions. See Redis issue #3799.