Manual:getLagTimes.php
From Linux Web Expert
<td class="mw-version-versionbox" title="<translate nowrap> The latest stable version is <tvar name=1>1.41</tvar></translate>">
<translate> ≥</translate> 1.9
<translate> MediaWiki version:</translate> |
MediaWiki file: getLagTimes.php | |
---|---|
Location: | maintenance/ |
Source code: | master • 1.41.1 • 1.40.3 • 1.39.7 |
Classes: | GetLagTimes |
Details
getLagTimes.php file is a maintenance script to display replication lag times from $wgLoadBalancer
.
Options/Arguments
Option | Description | Required? |
---|---|---|
--report | Report the lag values to StatsD | <translate> Optional</translate> |
Usage
php maintenance/getLagTimes.php [ --report ]
Terminal
$ php maintenance/getLagTimes.php 10.0.0.236 db3.pmtpa.wmnet 0 10.0.0.237 db4.pmtpa.wmnet 8 ******** 10.0.0.102 samuel.pmtpa.wmnet 1 *
The script can be repeatedly called from the command line to create a simple 'lagtop' script that monitors a cluster's status.
# simple shell script to run getLagTimes.php every five seconds
while [true]
do
php maintenance/getLagTimes.php
sleep 5
done