From: terry%mozilla.org <>
Date: Tue, 21 Mar 2000 03:25:56 +0000 (+0000)
Subject: Make the syncing process low priority, so that we won't hang up
X-Git-Tag: bugzilla-2.12~335
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=16ea7e0fe44a8f3ee25e0ca84f4aa15ed62a5d72;p=thirdparty%2Fbugzilla.git

Make the syncing process low priority, so that we won't hang up
shadowdb operations.
---

diff --git a/syncshadowdb b/syncshadowdb
index b4ba58bd26..e19e30cfc2 100755
--- a/syncshadowdb
+++ b/syncshadowdb
@@ -32,6 +32,7 @@ require "defparams.pl";
 
 sub sillyness {
     my $zz;
+    $zz = $::db;
     $zz = $::dbwritesallowed;
 }
 
@@ -188,6 +189,13 @@ if ($syncall) {
 
 Verbose("Looking for commands to execute.");
 $::dbwritesallowed = 1;
+
+# Make us low priority, to not block anyone who is trying to actually use
+# the shadowdb.  Note that this is carefully coded to ignore errors; we want
+# to keep going even on older mysqld's that don't have the
+# SQL_LOW_PRIORITY_UPDATES option.
+$::db->query("SET OPTION SQL_LOW_PRIORITY_UPDATES = 1"); 
+
 while (1) {
     SendSQL("SELECT id, command FROM $shadowtable WHERE reflected = 0 " .
             "ORDER BY id LIMIT 1");