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怎样使用 redis 作为 MediaWiki 的缓存后端 - Revision history
2026-07-08T05:15:53Z
Revision history for this page on the wiki
MediaWiki 1.42.3
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Mwroot at 01:27, 10 October 2025
2025-10-10T01:27:56Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 09:27, 10 October 2025</td>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>|description=本文讲述在 mediawiki 中，用 redis 缓存，替换 apcu 缓存的方法。这样可以更方便地使用 Semantic MediaWiki 的缓存功能。</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>|description=本文讲述在 mediawiki 中，用 redis 缓存，替换 apcu 缓存的方法。这样可以更方便地使用 Semantic MediaWiki 的缓存功能。}}</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">|keywords=redis, mediawiki, backends, 缓存</del>}}</div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== 去除 apcu ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== 去除 apcu ==</div></td></tr>
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Mwroot
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Mwroot at 01:04, 10 October 2025
2025-10-10T01:04:47Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 09:04, 10 October 2025</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|description=本文讲述在 mediawiki 中，用 redis 缓存，替换 apcu 缓存的方法。这样可以更方便地使用 Semantic MediaWiki 的缓存功能。</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|description=本文讲述在 mediawiki 中，用 redis 缓存，替换 apcu 缓存的方法。这样可以更方便地使用 Semantic MediaWiki 的缓存功能。</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|keywords=redis, mediawiki, backends, 缓存}}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|keywords=redis, mediawiki, backends, 缓存}}</div></td></tr>
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Mwroot
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Mwroot at 06:42, 9 October 2025
2025-10-09T06:42:14Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:42, 9 October 2025</td>
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<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">|title=怎样使用 redis 作为 MediaWiki 的缓存后端</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">|description=本文讲述在 mediawiki 中，用 redis 缓存，替换 apcu 缓存的方法。这样可以更方便地使用 Semantic MediaWiki 的缓存功能。</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">|keywords=redis, mediawiki, backends, 缓存}}</ins></div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== 去除 apcu ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== 去除 apcu ==</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><syntaxhighlight lang="bash" line></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div><syntaxhighlight lang="bash" line></div></td></tr>
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Mwroot
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Mwroot: Created page with "== 去除 apcu == <syntaxhighlight lang="bash" line> # 如果已经使用过 apcu 作为缓存，要先去除 apcu 缓存 grep -r apc /etc/php/8.2/ # 找到 apc 相关的配置行 sudo emacs /etc/php/8.2/mods-available/apcu.ini # 注释掉对 apcu 的调用 # 进 LocalSettings.php 取消对 CACHE_ACCEL 的调用 ## Shared memory settings ## $wgMainCacheType = CACHE_ACCEL; ## $wgMemCachedServers = []; </syntaxhighlight> == 使用 redis == <syntaxhighlight lang="bash" li..."
2025-09-29T02:15:54Z
<p>Created page with "== 去除 apcu == <syntaxhighlight lang="bash" line> # 如果已经使用过 apcu 作为缓存，要先去除 apcu 缓存 grep -r apc /etc/php/8.2/ # 找到 apc 相关的配置行 sudo emacs /etc/php/8.2/mods-available/apcu.ini # 注释掉对 apcu 的调用 # 进 LocalSettings.php 取消对 CACHE_ACCEL 的调用 ## Shared memory settings ## $wgMainCacheType = CACHE_ACCEL; ## $wgMemCachedServers = []; </syntaxhighlight> == 使用 redis == <syntaxhighlight lang="bash" li..."</p>
<p><b>New page</b></p><div>== 去除 apcu ==<br />
<syntaxhighlight lang="bash" line><br />
# 如果已经使用过 apcu 作为缓存，要先去除 apcu 缓存<br />
grep -r apc /etc/php/8.2/ # 找到 apc 相关的配置行<br />
sudo emacs /etc/php/8.2/mods-available/apcu.ini # 注释掉对 apcu 的调用<br />
<br />
# 进 LocalSettings.php 取消对 CACHE_ACCEL 的调用<br />
## Shared memory settings<br />
## $wgMainCacheType = CACHE_ACCEL;<br />
## $wgMemCachedServers = [];<br />
</syntaxhighlight><br />
<br />
== 使用 redis ==<br />
<syntaxhighlight lang="bash" line><br />
# 安装并配置 redis 作缓存后端<br />
sudo apt install redis-server php-redis<br />
<br />
# 编辑 LocalSettings.php<br />
$wgObjectCaches['redis'] = [<br />
'class' => 'RedisBagOStuff',<br />
'servers' => [ '127.0.0.1:6379' ],<br />
// 'connectTimeout' => 1,<br />
// 'persistent' => false,<br />
// 'password' => 'secret',<br />
// 'automaticFailOver' => true,<br />
];<br />
<br />
$wgMainCacheType = 'redis';<br />
$wgParserCacheType = 'redis'; // 可选<br />
$wgMessageCacheType = 'redis'; // 可选<br />
// 若使用新版 API，可直接写 'redis'<br />
// $wgMainCacheType = 'redis';<br />
$smwgMainCacheType = 'redis';<br />
<br />
$wgJobTypeConf['default'] = [<br />
'class' => 'JobQueueRedis',<br />
'redisServer' => '127.0.0.1:6379',<br />
'redisConfig' => [],<br />
'daemonized' => true<br />
];<br />
</syntaxhighlight><br />
<br />
== 验证生效 ==<br />
<syntaxhighlight lang="bash" line><br />
# 验证 redis 正常工作的方法三选一即可<br />
<br />
# 验证 redis 正常工作方法一<br />
# 把以下写入 test.php 并打开，能看到 Hello, Redis! 返回<br />
<?php<br />
$redis = new Redis();<br />
$redis->connect('127.0.0.1', 6379);<br />
<br />
// 设置一个键值对<br />
$redis->set('test_key', 'Hello, Redis!');<br />
<br />
// 获取并输出该键的值<br />
echo $redis->get('test_key');<br />
?><br />
<br />
# 验证 redis 正常工作方法二<br />
# 在需要验证的页面用 ?action=purge 删掉缓存<br />
# 用 <code>redis-cli</code> 进入 redis 环境<br />
KEYS * # 能看到一堆该 mediawiki 数据库相关的输出<br />
<br />
# 验证 redis 正常工作方法三<br />
# 在 LocalSettings.php 中加入以下项查看日志<br />
$wgDebugLogGroups['redis'] = '/tmp/redis.log';<br />
</syntaxhighlight><br />
<br />
== 微调配置 ==<br />
<syntaxhighlight lang="bash" line><br />
#################################<br />
# 1. 基础持久化设置（AOF + RDB）<br />
#################################<br />
# 开启 AOF 持久化，每秒同步到磁盘<br />
appendonly yes # :contentReference[oaicite:0]{index=0}<br />
appendfilename "appendonly.aof" # :contentReference[oaicite:1]{index=1}<br />
appendfsync everysec # 推荐 everysec，在性能与安全间取平衡 :contentReference[oaicite:2]{index=2}<br />
<br />
# 保留默认 RDB 快照规则（作二级备份）<br />
save 900 1 # 900 秒内有至少 1 次写操作时进行快照 :contentReference[oaicite:3]{index=3}<br />
save 300 10 # 300 秒内有至少10 次写操作时进行快照 :contentReference[oaicite:4]{index=4}<br />
save 60 10000 # 60 秒内有至少10000 次写操作时进行快照 :contentReference[oaicite:5]{index=5}<br />
dir /var/lib/redis # RDB/AOF 文件存放目录 :contentReference[oaicite:6]{index=6}<br />
<br />
################################################<br />
# 2. 内存管理与淘汰策略（防止 OOM / 大对象泛滥）<br />
################################################<br />
# 设置 Redis 可用的最大内存，例如对小站点分配 256 MB<br />
maxmemory 256mb # :contentReference[oaicite:7]{index=7}<br />
# 当超过内存限制时，使用 LRU 淘汰所有键，保留常用热点<br />
maxmemory-policy allkeys-lru # :contentReference[oaicite:8]{index=8}<br />
<br />
############################################<br />
# 3. 网络、线程与安全（小型部署即可默认）<br />
############################################<br />
# 绑定本地接口，仅允许本地访问<br />
bind 127.0.0.1 # :contentReference[oaicite:9]{index=9}<br />
protected-mode yes # 默认开启，防止未授权访问 :contentReference[oaicite:10]{index=10}<br />
<br />
# 可选：设置简单访问密码（生产环境推荐）<br />
# requirepass your_redis_password<br />
<br />
##################################<br />
# 4. 其他可选优化（根据需求启用）<br />
##################################<br />
# # 关闭 AOF 混合持久化前导快照（免得每次重写开销太大）<br />
# aof-use-rdb-preamble no<br />
<br />
# # 开启主动碎片整理（Redis ≥4.0，当内存使用率过高时）<br />
# activedefrag yes # :contentReference[oaicite:11]{index=11}<br />
<br />
# # 关闭无用模块以减少启动慢与内存开销<br />
# # loadmodule /usr/lib/redis/redisearch.so<br />
</syntaxhighlight></div>
Mwroot