From: Aaron Schulz <aschulz@wikimedia.org>
Date: Mon, 7 Mar 2016 21:55:27 +0000 (-0800)
Subject: Add FileOperationReplication log to improve multiwrite backend logging
X-Git-Tag: 1.31.0-rc.0~7721^2
X-Git-Url: https://git.cyclocoop.org/%242?a=commitdiff_plain;h=a14ef9125193e5ac3c557d43c2fea3f3dec26440;p=lhc%2Fweb%2Fwiklou.git

Add FileOperationReplication log to improve multiwrite backend logging

Change-Id: I541eac740f4a07182067294c9597cdd49330e86c
---

diff --git a/includes/filebackend/FileBackendMultiWrite.php b/includes/filebackend/FileBackendMultiWrite.php
index 5a103c647b..6f40bda945 100644
--- a/includes/filebackend/FileBackendMultiWrite.php
+++ b/includes/filebackend/FileBackendMultiWrite.php
@@ -202,11 +202,17 @@ class FileBackendMultiWrite extends FileBackend {
 				if ( $this->asyncWrites && !$this->hasVolatileSources( $ops ) ) {
 					// Bind $scopeLock to the callback to preserve locks
 					DeferredUpdates::addCallableUpdate(
-						function() use ( $backend, $realOps, $opts, $scopeLock ) {
+						function() use ( $backend, $realOps, $opts, $scopeLock, $relevantPaths ) {
+							wfDebugLog( 'FileOperationReplication',
+								"'{$backend->getName()}' async replication; paths: " .
+								FormatJson::encode( $relevantPaths ) );
 							$backend->doOperations( $realOps, $opts );
 						}
 					);
 				} else {
+					wfDebugLog( 'FileOperationReplication',
+						"'{$backend->getName()}' sync replication; paths: " .
+						FormatJson::encode( $relevantPaths ) );
 					$status->merge( $backend->doOperations( $realOps, $opts ) );
 				}
 			}