Q4M + Parallel::Prefork + Signal handling + Log::Minimal - tokuhirom's blog
conditions precedent: use daemontools & multilogPoints: make DB connection after forkdo not trap SIGTERM while calling queue_wait(), so that the process can be shut down while waiting for the response from q4mremove $time and add $PID for log. Because I'm using multilog. It prints the tai64n automatically(and, tai64n is better).package OreOre::Worker::Base; use strict; use warnings; use parent qw/
Kazuho@Cybozu Labs: Q4M 0.9.2 prerelease avaiable fixing data corruption on 32bit systems
Thanks to a user of Q4M, I have found a bug that would likely lead to data corruption on 32bit versions of Q4M. 64bit versions are unaffected. Q4M by default uses mmap(2) to read from data files. On 32bit systems, it tries to map max. 1GB per each table into memory using mmap. When mmap fails to map memory due to low memory, Q4M falls back to file I/O to read the data. However there was a bug i
mixiã®å¹´æœ«å¹´å§‹å¯¾ç– 日記投稿システムã®æ”¹å–„ - mixi engineer blog
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Q4MãŒMySQL 5.1.24ã§makeã§ããªã„ã®ãƒ¡ãƒ¢ : blog.nomadscafe.jp
Q4MãŒMySQL 5.1.24ã§makeã§ããªã„ã®ãƒ¡ãƒ¢ Q4M 0.4ãŒMySQL-5.1.24-rcã§makeã§ããªã„よã†ã§ã™ 5.1.23ã§ã¯makeã§ãã¾ã—㟠MySQLã®configure ./configure \ --enable-shared \ --with-innodb \ --without-ndbcluster \ --with-archive-storage-engine \ --with-csv-storage-engine \ --with-blackhole-storage-engine \ --without-federated-storage-engine \ --with-partition \ --with-embedded-server \ --with-big-tables \ --with-comment="MySQL Community Se
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http://labs.cybozu.co.jp/blog/kazuhoatwork/2009/04/q4m_presentation_slides_at_mys.php
https://labs.cybozu.co.jp/blog/kazuho/archives/2008/05/road_to_mq_with_q4m.php
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