memcached 1.4.31 发布，集中式缓存系统

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                　　memcached 1.4.31 发布了，主要更新如下：
　　Fixes

• 
  　　More fixes for defaults>
  
• 　　Several improvements to how the LRU crawler's default background job is launched. Should be less aggressive.
  
• 　　Fix LRU crawler rate limiting sleep never actually being used.
  

　　New Features
　　

　　If -o modern is in use (or at least -o lru_crawler), a new command is usable: lru_crawler metadump [all|1|2|3]. You may dump all of the metadata for a particular slab>　　This is useful for inspection, pulling cache data from one server to another, etc.
　　This is not a way to replicate a cache: it is an inconsistent non-multiversioned grab of the key storage. It makes a best effort to not include duplicates but a small number can happen on busy servers.

　　Many thanks for Netflix, for sponsoring and patiently testing the work done in this>　　More details and code can be seen in the PR:https://github.com/memcached/memcached/pull/193
　　官方发行说明：
　　https://github.com/memcached/memcached/wiki/ReleaseNotes1431
　　下载：

• 　　http://www.memcached.org/files/memcached-1.4.31.tar.gz
  
• 　　Source code (zip)
  
• 　　Source code (tar.gz)