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Release notes: more info about 2.4 -> 2.6 migration.

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Migration information moved at the end of the file as now they start to
be too long to stay at the top, but a warning was added at the top of
the file to remember the user to check.

Added information about INFO fields that changed name between 2.4 and
2.6.
This commit is contained in:
antirez
2012-05-25 12:24:20 +02:00
parent 6b4d92e21d
commit 69396249e5
1 changed files with 44 additions and 34 deletions
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@ -1,39 +1,9 @@
Redis 2.6 release notes
=======================
Migrating from 2.4 to 2.6
=========================
Redis 2.4 is mostly a strict subset of 2.6. However there are a few things
that you should be aware of:
* You can't use .rdb and AOF files generated with 2.6 into a 2.4 instance.
* 2.4 slaves can be attached to 2.6 masters, but not the contrary, and only
for the time needed to perform the version upgrade.
There are also a few API differences, that are unlikely to cause problems,
but it is better to keep them in mind:
* SORT now will refuse to sort in numerical mode elements that can't be parsed
as numbers.
* EXPIREs now all have millisecond resolution (but this is very unlikely to
break code that was not conceived exploting the previous resolution error
in some way.)
* INFO output is a bit different now, and contains empty lines and comments
starting with '#'. All the major clients should be already fixed to work
with the new INFO format.
* Slaves are only read-only by default (but you can change this easily
setting the "slave-read-only" configuration option to "no" editing your
redis.conf or using CONFIG SET.
Also the following redis.conf and CONFIG GET / SET parameters changed name:
* hash-max-zipmap-entries, now replaced by hash-max-ziplist-entries
* hash-max-zipmap-value, now replaced by hash-max-ziplist-value
* glueoutputbuf option was now completely removed (was deprecated)
---------
CHANGELOG
---------
** IMPORTANT ** Check the 'Migrating from 2.4 to 2.6' section at the end of
this file for information about what changed between 2.4 and
2.6 and how this may affect your application.
What's new in Redis 2.5.9 (aka 2.6 Release Candidate 3)
=======================================================
@ -115,6 +85,46 @@ An overview of new features and changes in Redis 2.6.x
* Better support for big endian and *BSD systems.
* Build system improved.
Migrating from 2.4 to 2.6
=========================
Redis 2.4 is mostly a strict subset of 2.6. However there are a few things
that you should be aware of:
* You can't use .rdb and AOF files generated with 2.6 into a 2.4 instance.
* 2.4 slaves can be attached to 2.6 masters, but not the contrary, and only
for the time needed to perform the version upgrade.
There are also a few API differences, that are unlikely to cause problems,
but it is better to keep them in mind:
* SORT now will refuse to sort in numerical mode elements that can't be parsed
as numbers.
* EXPIREs now all have millisecond resolution (but this is very unlikely to
break code that was not conceived exploting the previous resolution error
in some way.)
* INFO output is a bit different now, and contains empty lines and comments
starting with '#'. All the major clients should be already fixed to work
with the new INFO format.
* Slaves are only read-only by default (but you can change this easily
setting the "slave-read-only" configuration option to "no" editing your
redis.conf or using CONFIG SET.
The following INFO fields were renamed for consistency:
changes_since_last_save -> rdb_changes_since_last_save
bgsave_in_progress -> rdb_bgsave_in_progress
last_save_time -> rdb_last_save_time
last_bgsave_status -> rdb_last_bgsave_status
bgrewriteaof_in_progress -> aof_rewrite_in_progress
bgrewriteaof_scheduled -> aof_rewrite_scheduled
The following redis.conf and CONFIG GET / SET parameters changed:
* hash-max-zipmap-entries, now replaced by hash-max-ziplist-entries
* hash-max-zipmap-value, now replaced by hash-max-ziplist-value
* glueoutputbuf option was now completely removed (was deprecated)
--------------------------------------------------------------------------------
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