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Overview

Monitoring of PHP FPM module is supported together with Nginx monitoring and Apache monitoring.

PHP FPM metrics are displayed as part of Nginx and Apache monitoring:

Instructions:

Metrics

Metric Name Key Agg Type Description
active processes php.fpm.process.active Avg Long the number of active processes
idle processes php.fpm.process.idle Avg Long the number of idle processes
accepted conns. count php.fpm.request.acceptedconns.count Sum Long the number of requests accepted by the pool
max listen queue php.fpm.queue.listen.max Max Long the maximum number of requests in the queue of pending connections since FPM has started
slow requests count php.fpm.request.slow.count Sum Long the number of requests that exceeded your request_slowlog_timeout value
total processes php.fpm.process.total Avg Long the number of idle + active processes
max active processes php.fpm.process.active.max Max Long the maximum number of active processes since FPM has started
max children reached php.fpm.process.childrenReached.max Sum Long the number of times, the process limit has been reached, when pm tries to start more children (works only for pm dynamic and ondemand)
listen queue len php.fpm.queue.listen.len Avg Long the size of the socket queue of pending connections
listen queue php.fpm.queue.listen Avg Long the number of requests in the queue of pending connections