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Displaying posts with tag: libmemcached (reset)
Libmemcached increment and decrement issue solved

I spoke with Brian Aker last week about the issues I found with decrement and increment while working on my book "Developing Web Applications with Apache, MySQL, Memcached, and Perl". He suggested I make sure that I was using the latest libmemcached. I checked, and the version of libmemcached that is included with Memcached::libmemcached is 0.21 - this is the version of Memcached::libmemcached I obtained from using CPAN (perhaps CPAN needs a new bundle...). So, I obtained the most recent version of Memcached::libmemcached from the subversion repository at, and it includes the lastest libmemcached, version 0.25. To make a long story short, I re-wrote my test script to test each operation individualy and time that, as well as compare the times to Cache::Memcached. The numbers are great and are reason enough to use …

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Libmemcached is faster ...except with increment and decrement (?)

I'm busy working on my book, "Developing Web Applications with Apache, MySQL, Memcached, and Perl", writing about how Libmemcached (particularly the perl interface to libmemcached, Cache::Memcached::libmemcached/Memcached::libmemcached) is faster. And it is, except when I was writing a test script to compare, I first used Daisuke Maki's script that comes with Cache::Memcached::libmemcached, tools/ (which I modified to only compare Cache::Memcached to Cache::Memcached::libmemcached)

==== Benchmark "Simple get() (scalar)" ====
Rate perl_memcached libmemcached
perl_memcached 6784/s -- -78%
libmemcached 30488/s 349% --
==== Benchmark "Simple get_multi() (scalar)" ====
Rate perl_memcached libmemcached
perl_memcached 1806/s -- -84%
libmemcached 11494/s 537% --
==== Benchmark "Serialization with get()" ====
Rate perl_memcached libmemcached
perl_memcached 6402/s -- …

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Memcached UDFs for MySQL version 0.5 Released

I'm pleased to announce the release of Memcached UDFs for MySQL. This release contains the ability to now pass expiration values. For instance, you can:

select memc_set('keyabc', 'somevalue')


select memc_set('keyabc', 'I die in 10 seconds', 10);

The functions that now have this ability are:


You can download the latest archive from

Also, mercurial repository at …

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