I saw a significant number of POST requests to http://commons.wikimedia.org/w/api.php causing out of memory errors on fluorine:

Fatal error: Allowed memory size of 220200960 bytes exhausted (tried to allocate 8208 bytes) at /usr/local/apache/common-local/php-1.23wmf6/includes/api/ApiQueryImageInfo.php on line 443

#0 /usr/local/apache/common-local/php-1.23wmf6/includes/api/ApiQueryImageInfo.php(443): unserialize('a:35:{s:4:"Make...')
#1 /usr/local/apache/common-local/php-1.23wmf6/includes/api/ApiQueryImageInfo.php(158): ApiQueryImageInfo::getInfo(Object(LocalFile), Array, Object(ApiResult), NULL, Array)
#2 /usr/local/apache/common-local/php-1.23wmf6/includes/api/ApiQuery.php(278): ApiQueryImageInfo->execute()
#3 /usr/local/apache/common-local/php-1.23wmf6/includes/api/ApiMain.php(862): ApiQuery->execute()
#4 /usr/local/apache/common-local/php-1.23wmf6/includes/api/ApiMain.php(387): ApiMain->executeAction()
#5 /usr/local/apache/common-local/php-1.23wmf6/includes/api/ApiMain.php(358): ApiMain->executeActionWithErrorHandling()
#6 /usr/local/apache/common-local/php-1.23wmf6/api.php(76): ApiMain->execute()
#7 /usr/local/apache/common-local/w/api.php(3): require('/usr/local/apac...')
#8 {main}
[

Version: 1.23.0
Severity: normal