From: Platonides <platonides@users.mediawiki.org>
Date: Sat, 25 Dec 2010 21:25:28 +0000 (+0000)
Subject: Quick script to clean the entries in memcached for text saved today after the disk... 
X-Git-Tag: 1.31.0-rc.0~33096
X-Git-Url: http://git.cyclocoop.org/%7B%24www_url%7Dadmin/compta/operations/recherche.php?a=commitdiff_plain;h=eb6b924c92b3437397420b3c929d4e70d1f340d4;p=lhc%2Fweb%2Fwiklou.git

Quick script to clean the entries in memcached for text saved today after the disk got full but before the master switch.
---

diff --git a/maintenance/purgeStaleMemcachedText.php b/maintenance/purgeStaleMemcachedText.php
new file mode 100644
index 0000000000..ccc94aa7c8
--- /dev/null
+++ b/maintenance/purgeStaleMemcachedText.php
@@ -0,0 +1,19 @@
+<?php
+
+require_once( dirname( __FILE__ ) . '/commandLine.inc' );
+
+function purgeStaleMemcachedText() {
+	global $wgMemc;
+	$db = wfGetDB( DB_MASTER );
+	$maxTextId = $db->selectField( 'text', 'max(old_id)' );
+	$latestReplicatedTextId = $db->selectField( array( 'revision','recentchanges'), 'rev_text_id', array( 'rev_id = rc_this_oldid', "rc_timestamp < '201012250630'" ) );
+	$latestReplicatedTextId -= 100; # A bit of paranoia
+
+	for ( $i = $latestReplicatedTextId; $i < $maxTextId; $i++ ) {
+		$key = wfMemcKey( 'revisiontext', 'textid', $i++ );
+		$wgMemc->delete( $key );
+	}
+}
+
+purgeStaleMemcachedText();
+