xcache 跨进程使用的问题-php教程-PHP中文网

首页

后端开发

php教程

xcache 跨进程使用的问题

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB

Jun 06, 2016 pm 08:32 PM

phpxcache

我在使用xcache的时候, 跨进程的cache 一直读取不到, 好像并未有缓存到共享内存中
配置如下:

<code>XCache
XCache Version => 3.1.0
xcache.coredump_directory => no value => no value
xcache.disable_on_crash => Off => Off
xcache.experimental => Off => Off
xcache.test => Off => Off
XCache Cacher
XCache Cacher Module => enabled
xcache.admin.enable_auth => On => On
xcache.allocator => bestfit => bestfit
xcache.cacher => On => On
xcache.count => 1 => 1
xcache.gc_interval => 0 => 0
xcache.mmap_path => /tmp/zero => /tmp/zero
xcache.readonly_protection => Off => Off
xcache.shm_scheme => mmap => mmap
xcache.size => 60M => 60M
xcache.slots => 8K => 8K
xcache.stat => On => On
xcache.ttl => 0 => 0
xcache.var_allocator => bestfit => bestfit
xcache.var_count => 1 => 1
xcache.var_gc_interval => 300 => 300
xcache.var_maxttl => 0 => 0
xcache.var_namespace => no value => no value
xcache.var_namespace_mode => 0 => 0
xcache.var_size => 4M => 4M
xcache.var_slots => 8K => 8K
xcache.var_ttl => 0 => 0
XCache Coverager
XCache Coverager Module => enabled
xcache.coveragedump_directory => no value => no value
xcache.coverager => Off => Off
xcache.coverager_autostart => On => On
XCache Optimizer
XCache Optimizer Module => enabled
xcache.optimizer => Off => Off
</code>

我的验证方法是:

<code>if (!xcache_isset("count")) {
    var_dump("not set");
  xcache_set("count", 1);
}
var_dump(xcache_get("count"));
</code>

一直都输出

<code>string(7) "not set"
int(1)
</code>

当前进程中是可以获取到的缓存, 但新开的进程就是获取不到, 求解

回复内容：

我在使用xcache的时候, 跨进程的cache 一直读取不到, 好像并未有缓存到共享内存中
配置如下:

<code>XCache
XCache Version => 3.1.0
xcache.coredump_directory => no value => no value
xcache.disable_on_crash => Off => Off
xcache.experimental => Off => Off
xcache.test => Off => Off
XCache Cacher
XCache Cacher Module => enabled
xcache.admin.enable_auth => On => On
xcache.allocator => bestfit => bestfit
xcache.cacher => On => On
xcache.count => 1 => 1
xcache.gc_interval => 0 => 0
xcache.mmap_path => /tmp/zero => /tmp/zero
xcache.readonly_protection => Off => Off
xcache.shm_scheme => mmap => mmap
xcache.size => 60M => 60M
xcache.slots => 8K => 8K
xcache.stat => On => On
xcache.ttl => 0 => 0
xcache.var_allocator => bestfit => bestfit
xcache.var_count => 1 => 1
xcache.var_gc_interval => 300 => 300
xcache.var_maxttl => 0 => 0
xcache.var_namespace => no value => no value
xcache.var_namespace_mode => 0 => 0
xcache.var_size => 4M => 4M
xcache.var_slots => 8K => 8K
xcache.var_ttl => 0 => 0
XCache Coverager
XCache Coverager Module => enabled
xcache.coveragedump_directory => no value => no value
xcache.coverager => Off => Off
xcache.coverager_autostart => On => On
XCache Optimizer
XCache Optimizer Module => enabled
xcache.optimizer => Off => Off
</code>

我的验证方法是:

<code>if (!xcache_isset("count")) {
    var_dump("not set");
  xcache_set("count", 1);
}
var_dump(xcache_get("count"));
</code>

一直都输出

<code>string(7) "not set"
int(1)
</code>

当前进程中是可以获取到的缓存, 但新开的进程就是获取不到, 求解

找到答案了,我的验证方式是以php脚本的方式运行的, 而脚本在运行完成后就释放所占用的内存了, 所以保存在共享内存中的xcache被释放了, 所以导致每次进程之间是没有共享的. 而如果是以php-fpm 方式处理的, 因为fpm进程一个服务进程, 不会运行结束, 所以xcache 在这种时候是多进程共享缓存的

声明

本文内容由网友自发贡献，版权归原作者所有，本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容，请联系admin@php.cn