From: Aaron Schulz <aschulz@wikimedia.org>
Date: Fri, 21 Dec 2018 18:20:58 +0000 (-0800)
Subject: rdbms: add trace to getLagFromPtHeartbeat() log entries
X-Git-Tag: 1.34.0-rc.0~3198^2
X-Git-Url: http://git.cyclocoop.org/%22%20.%20generer_url_aide%28?a=commitdiff_plain;h=5dcb3465313222f3155f5d44c984a9b4a247c640;p=lhc%2Fweb%2Fwiklou.git

rdbms: add trace to getLagFromPtHeartbeat() log entries

Change-Id: I677610c711443b787f7cea1be2dd9f01486b1324
---

diff --git a/includes/libs/rdbms/database/DatabaseMysqlBase.php b/includes/libs/rdbms/database/DatabaseMysqlBase.php
index eeedff7d07..3fcbcf964d 100644
--- a/includes/libs/rdbms/database/DatabaseMysqlBase.php
+++ b/includes/libs/rdbms/database/DatabaseMysqlBase.php
@@ -27,6 +27,7 @@ use DateTimeZone;
 use Wikimedia;
 use InvalidArgumentException;
 use Exception;
+use RuntimeException;
 use stdClass;
 
 /**
@@ -757,7 +758,11 @@ abstract class DatabaseMysqlBase extends Database {
 				// given that the isolation level will typically be REPEATABLE-READ
 				$this->queryLogger->warning(
 					"Using cached lag value for {db_server} due to active transaction",
-					$this->getLogContext( [ 'method' => __METHOD__, 'age' => $staleness ] )
+					$this->getLogContext( [
+						'method' => __METHOD__,
+						'age' => $staleness,
+						'trace' => ( new RuntimeException() )->getTraceAsString()
+					] )
 				);
 			}