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libcache-fastmmap-perl

Perl module providing a mmap'ed cache

Variants:
Cache::FastMmap uses the mmap system call to establish an interprocess shared memory cache. Its core code is written in C, which can provide significant performance compared to a Pure Perl implementation such as Cache::Mmap. It can handle rather large pages without the socket connection and latency of using full-fledged databases where long-term persistence is unnecessary.

Since the algorithm uses a dual-level hashing system (a hash is used to find a page, then another hash within each page to find a given slot), most get calls can execute in constant O(1) time. The system uses fcntl to handle concurrent access, but only locks individual pages to reduce contention. The oldest (least recently used) data is evicted from the cache first, making this cache implementation most suitable for cases when old data is unlikely to be searched.

Homepage:
Package version:1.40-1
Architecture:ia64
Distribution:Debian
Filename:libcache-fastmmap-perl_1.40-1_ia64.deb

/usr/share/man/man3/Cache::FastMmap.3pm.gz

Cache::FastMmap(3User Contributed Perl DocumentaCache::FastMmap(3pm)



NAME
       Cache::FastMmap - Uses an mmap'ed file to act as a shared
       memory interprocess cache

SYNOPSIS
         use Cache::FastMmap;

         # Uses vaguely sane defaults
         $Cache = Cache::FastMmap->new();

         # $Value must be a reference...
         $Cache->set($Key, $Value);
         $Value = $Cache->
more»

/usr/share/doc/libcache-fastmmap-perl/changelog.Debian.gz

libcache-fastmmap-perl (1.40-1) unstable; urgency=low

  [ Salvatore Bonaccorso ]
  * debian/copyright: Replace DEP5 Format-Specification URL from
    svn.debian.org to anonscm.debian.org URL.

  [ gregor herrmann ]
  * New upstream release.

 -- gregor herrmann <gregoa@debian.org>  Wed, 07 Dec 2011 18:36:28 +0100

libcache-fastmmap-perl (1.39-1) unstable; urgency=low

  [ Ansgar Burchardt ]
  * N
more»

/usr/share/doc/libcache-fastmmap-perl/changelog.gz

Revision history for Perl extension Cache::FastMmap.

1.40 Mon Dec 5  10:30 2011
  - Work around reference holding bug in
     Compress::Zlib

1.39 Mon Jul 18 09:50 2011
  - Remove CImpl and simplify structure into just
     Cache::FastMmap module making all XS calls
     just function calls in Cache::FastMmap
     namespace

1.38 Sun Jul 17 18:30 2011
  - Fix build process that was completely bro
more»

/usr/share/doc/libcache-fastmmap-perl/copyright

Format-Specification: http://anonscm.debian.org/viewvc/dep/web/deps/dep5.mdwn?view=markup&pathrev=13
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