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| | 18 | <!-- This is a (PRE) block. Make sure it's left aligned or your toc title will be off. --> |
| | 19 | <b>Redis_2_0_Whats_new: Contents</b><br> <a href="#Redis 2.0: What's new?">Redis 2.0: What's new?</a><br> <a href="#MULTI/EXEC">MULTI/EXEC</a><br> <a href="#Blocking pop">Blocking pop</a><br> <a href="#Publish/subscribe">Publish/subscribe</a><br> <a href="#Hashes">Hashes</a><br> <a href="#Virtual Memory">Virtual Memory</a><br> <a href="#Contributors">Contributors</a> |
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| | 22 | <h1 class="wikiname">Redis_2_0_Whats_new</h1> |
| | 23 | |
| | 24 | <div class="summary"> |
| | 25 | |
| | 26 | </div> |
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| | 29 | <h1><a name="Redis 2.0: What's new?">Redis 2.0: What's new?</a></h1>The release of Redis 2.0 marks a major milestone in Redis development. Apart from an endless list of new features, there are some major ones that deserve to be highlighted.<h3><a name="MULTI/EXEC">MULTI/EXEC</a></h3> |
| | 30 | The MULTI/EXEC family of commands were added to fulfill the need to execute multiple commands as a single atomic block. |
| | 31 | Because all commands inside a MULTI/EXEC block are serialized and executed sequentially, it is not possible that another |
| | 32 | client request is served in the middle of executing this block. All commands are executed one after the other when |
| | 33 | EXEC is called, which makes sure either <b>all</b> or <b>no</b> commands are executed, independent of the state of the client connection.<br/><br/>More on MULTI/EXEC: |
| | 34 | <ul><li> <a href="http://code.google.com/p/redis/wiki/MultiExecCommand" target="_blank">http://code.google.com/p/redis/wiki/MultiExecCommand</a></li></ul> |
| | 35 | <h3><a name="Blocking pop">Blocking pop</a></h3> |
| | 36 | The commands BLPOP and BRPOP were added to support popping from a list in a blocking fashion. This means the client |
| | 37 | connection will be blocked for a certain amount of time until another client pushes an item on a list. These commands |
| | 38 | are frequently used in producer/consumer scenarios.<br/><br/>More on blocking pop: |
| | 39 | <ul><li> <a href="http://code.google.com/p/redis/wiki/BlpopCommand" target="_blank">http://code.google.com/p/redis/wiki/BlpopCommand</a></li></ul> |
| | 40 | <h3><a name="Publish/subscribe">Publish/subscribe</a></h3> |
| | 41 | The family of publish/subscribe commands let clients publish messages onto channels and subscribe to receive all messages |
| | 42 | that are published on channels. Also included are commands to receive all messages for which the channel matches a given pattern.<br/><br/>More on publish/subscribe: |
| | 43 | <ul><li> <a href="http://code.google.com/p/redis/wiki/PublishSubscribe" target="_blank">http://code.google.com/p/redis/wiki/PublishSubscribe</a></li><li> <a href="http://antirez.com/post/redis-weekly-update-3-publish-submit.html" target="_blank">http://antirez.com/post/redis-weekly-update-3-publish-submit.html</a></li><li> <a href="http://rediscookbook.org/pubsub_for_asynchronous_communication.html" target="_blank">http://rediscookbook.org/pubsub_for_asynchronous_communication.html</a></li></ul> |
| | 44 | <h3><a name="Hashes">Hashes</a></h3> |
| | 45 | This new datatype allows to store multiple key/value pairs on a single key. Together with the list of regular commands you |
| | 46 | would expect for such a datatype (HSET, HGET, HDEL, HLEN, HKEYS, ...), it is also possible to use the values <i>inside</i> a hash |
| | 47 | for any SORT operation.<br/><br/>More on hashes: |
| | 48 | <ul><li> <a href="http://code.google.com/p/redis/wiki/HsetCommand" target="_blank">http://code.google.com/p/redis/wiki/HsetCommand</a></li><li> <a href="http://antirez.com/post/redis-weekly-update-1.html" target="_blank">http://antirez.com/post/redis-weekly-update-1.html</a></li></ul> |
| | 49 | <h3><a name="Virtual Memory">Virtual Memory</a></h3> |
| | 50 | Redis Virtual Memory allows users to grow their dataset beyond the limits of their RAM.<br/><br/>More on virtual memory: |
| | 51 | <ul><li> <a href="http://code.google.com/p/redis/wiki/VirtualMemoryUserGuide" target="_blank">http://code.google.com/p/redis/wiki/VirtualMemoryUserGuide</a></li><li> <a href="http://antirez.com/post/redis-virtual-memory-story.html" target="_blank">http://antirez.com/post/redis-virtual-memory-story.html</a></li></ul> |
| | 52 | <h2><a name="Contributors">Contributors</a></h2><ul><li> Salvatore Sanfilippo</li><li> Pieter Noordhuis</li><li> Antonio Ognio</li><li> Alex McHale</li><li> Michel Martens</li><li> Damian Janowski</li><li> Bruno Deferrari</li><li> Ashley Martens</li><li> Derek Collison</li><li> Damian Janowski</li><li> Jeremy Zawodny</li><li> Konstantin Merenkov</li><li> Michel Martens</li><li> Sam Hendley</li></ul> |
| | 53 | </div> |
| | 54 | |
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projects / redis.git / blame_incremental