Manual:$wgAntiLockFlags

その他の設定: $wgAntiLockFlags
Anti-lock flags.
導入されたバージョン:	1.4.0
除去されたバージョン:	1.25.0 (Gerrit change 164115; git #12757b50)
許容される値:	(ビットフィールド - 下記参照)
既定値:	0
その他の設定: アルファベット順 | 機能順

詳細

Anti-lock flags. This is a bitfield. The constants are set in Defines.php .

ALF_PRELOAD_LINKS

Preload links during link update for save. (This option has no effect since 1.6.0)

ALF_PRELOAD_EXISTENCE

Preload cur_id during replaceLinkHolders. (This option has no effect since 1.5.0)

ALF_NO_LINK_LOCK

Don't use locking reads when updating the link table. This is necessary for wikis with a high edit rate for performance reasons, but may cause link table inconsistency. (This option was introduced in 1.5.0)

ALF_NO_BLOCK_LOCK

As for ALF_LINK_LOCK, this flag is a necessity for high-traffic wikis. (This option was introduced in 1.5.0 and has no effect since 1.18.0)

例

To reduce lock contention, at the expense of introducing occasional inconsistencies, set:

$wgAntiLockFlags = ALF_NO_LINK_LOCK | ALF_NO_BLOCK_LOCK;