本篇只是个人猜测.仅供参考,注意辩读.
我的linode主机,前两天一度出现硬盘IO狂飙的事情.被警告和死机几次,很头疼.仔细检查很多地方,最终将目标锁定在eaccelerator,只有开启它之后,程序才会频繁的进行数据交换.将所有键值指向shm,即内存作为缓存容器,IO读写立刻下降.
参数如下:
zend_extension = “/usr/local/lib/php/extensions/no-debug-non-zts-20060613/eaccelerator.so”
eaccelerator.shm_size = 128
eaccelerator.enable = 1
eaccelerator.optimizer = 1
eaccelerator.debug = 0
eaccelerator.name_space = “”
eaccelerator.check_mtime = 1
eaccelerator.filter = “”
eaccelerator.shm_max = 0
eaccelerator.shm_ttl = 3600
eaccelerator.shm_prune_period = 3600
eaccelerator.shm_only = 1
eaccelerator.compress = 0
eaccelerator.compress_level = 6
eaccelerator.keys = shm
eaccelerator.sessions = shm
eaccelerator.content = shm
eaccelerator.compress = 0 这个选项在php-fpm启动的fcgi中建议关闭.压缩并不会带来性能的突破,如果使用磁盘作为缓存容器,读写更频繁.而且会不稳定.会出现进程死掉的事情.
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