Lower CDN cache TTL when slave lag is high

[lhc/web/wiklou.git] / includes / DefaultSettings.php

diff --git a/includes/DefaultSettings.php b/includes/DefaultSettings.php
index 339ae9b..3153afb 100644 (file)
--- a/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@ -2567,14 +2567,21 @@ $wgVaryOnXFP = false;
 $wgInternalServer = false;
 
 /**
- * Cache timeout for the squid, will be sent as s-maxage (without ESI) or
- * Surrogate-Control (with ESI). Without ESI, you should strip out s-maxage in
- * the Squid config.
+ * Cache TTL for the CDN sent as s-maxage (without ESI) or
+ * Surrogate-Control (with ESI). Without ESI, you should strip
+ * out s-maxage in the Squid config.
  *
-* 18000 seconds = 5 hours, more cache hits with 2678400 = 31 days.
+ * 18000 seconds = 5 hours, more cache hits with 2678400 = 31 days.
  */
 $wgSquidMaxage = 18000;
 
+/**
+ * Cache timeout for the CDN when DB slave lag is high
+ * @see $wgSquidMaxage
+ * @since 1.27
+ */
+$wgCdnMaxageLagged = 30;
+
 /**
  * Default maximum age for raw CSS/JS accesses
  *
@@ -5453,13 +5460,6 @@ $wgDebugRawPage = false;
  */
 $wgDebugComments = false;
 
-/**
- * Extensive database transaction state debugging
- *
- * @since 1.20
- */
-$wgDebugDBTransactions = false;
-
 /**
  * Write SQL queries to the debug log.
  *
@@ -5470,13 +5470,6 @@ $wgDebugDBTransactions = false;
  */
 $wgDebugDumpSql = false;
 
-/**
- * Trim logged SQL queries to this many bytes. Set 0/false/null to do no
- * trimming.
- * @since 1.24
- */
-$wgDebugDumpSqlLength = 500;
-
 /**
  * Performance expectations for DB usage
  *