==== Error ====
* mwversion: `1.38.0-wmf.12`
* reqId: `879eb71a-4a68-4ab7-8939-d257ec7e5f99`
* [[ https://logstash.wikimedia.org/app/dashboards#/view/AXFV7JE83bOlOASGccsT?_g=(time:(from:'2021-12-09T19:53:55.390Z',to:'2021-12-10T19:56:58.270Z'))&_a=(query:(query_string:(query:'reqId:%22879eb71a-4a68-4ab7-8939-d257ec7e5f99%22'))) | Find reqId in Logstash ]]
```name=normalized_message
Out of memory (allocated 39845888) (tried to allocate 131072 bytes) in OutputHandler.php
```
```name=exception.trace,lines=10
#0 [internal function]: unknown()
#1 /srv/mediawiki/php-1.38.0-wmf.12/includes/OutputHandler.php(163): gzencode()
#2 /srv/mediawiki/php-1.38.0-wmf.12/includes/OutputHandler.php(78): MediaWiki\OutputHandler::handleGzip()
#3 [internal function]: MediaWiki\OutputHandler::handle()
```
==== Notes ====
333 of errors like this one in the last hour. Only for host wtp1025.
https://logstash.wikimedia.org/goto/92bd66749f1813b1e88d89fc7b80fa42