jenkins-bot has submitted this change and it was merged.

Change subject: Log backtraces for DB reconnections
......................................................................


Log backtraces for DB reconnections

Change-Id: Ibe7badde80bf6a44e292b89fe6c085cbda5748e2
---
M includes/db/Database.php
1 file changed, 5 insertions(+), 0 deletions(-)

Approvals:
  BryanDavis: Looks good to me, approved
  jenkins-bot: Verified



diff --git a/includes/db/Database.php b/includes/db/Database.php
index 1124617..df04b6d 100644
--- a/includes/db/Database.php
+++ b/includes/db/Database.php
@@ -1028,7 +1028,12 @@
                        $lastErrno = $this->lastErrno();
                        if ( $this->ping() ) {
                                global $wgRequestTime;
+
                                wfDebug( "Reconnected\n" );
+                               $server = $this->getServer();
+                               $msg = __METHOD__ . ": lost connection to 
$server; reconnected";
+                               wfDebugLog( 'DBPerformance', "$msg:\n" . 
wfBacktrace( true ) );
+
                                $sqlx = $wgDebugDumpSqlLength ? substr( 
$commentedSql, 0, $wgDebugDumpSqlLength )
                                        : $commentedSql;
                                $sqlx = strtr( $sqlx, "\t\n", '  ' );

-- 
To view, visit https://gerrit.wikimedia.org/r/175908
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Gerrit-MessageType: merged
Gerrit-Change-Id: Ibe7badde80bf6a44e292b89fe6c085cbda5748e2
Gerrit-PatchSet: 2
Gerrit-Project: mediawiki/core
Gerrit-Branch: master
Gerrit-Owner: Aaron Schulz <asch...@wikimedia.org>
Gerrit-Reviewer: BryanDavis <bda...@wikimedia.org>
Gerrit-Reviewer: Parent5446 <tylerro...@gmail.com>
Gerrit-Reviewer: jenkins-bot <>

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