phperf / percentiller
There is no license information available for the latest version (v1.0) of this package.
Streaming clusterized stats collector.
v1.0
2015-09-16 09:40 UTC
Requires (Dev)
- phpunit/phpunit: ^4.8
This package is auto-updated.
Last update: 2024-11-18 01:12:16 UTC
README
Percentiller is a PHP class for capturing and analyzing data distribution. Lightweight on CPU and memory consumption. Approximates percentiles bucketing the data.
Installation
composer install phperf/percentiller
Usage
$stats = new \Phperf\Percentiller(); // approximation level, more buckets - higher distribution definition for more CPU and memory $stats->maxBuckets = 10; // capture values and meta for 5 items with lowest values $stats->captureBottomItems = 5; // capture values and meta for 3 items with highest values $stats->captureTopItems = 3; ....... // somewhere in data streamer/iterator, replace $event with your data element $stats->add($event->getResponseTime(), $event->getQueryInfo()); ....... // statistics retrieval // 95% events had response time not greater than: $stats->bottomPercentile(0.95); // 10% events took longer or equal to: $stats->topPercentile(0.1); // get information on slowest events $stats->getTopMetas(); // get information on slowest events $stats->getBottomMetas(); // iterate through distribution foreach ($stats->buckets as $bucket) { print_r($bucket); /* Array ( [0] => 41.558 // minival value [1] => 50.95 // maximal value [2] => 137 // count [3] => Array // sample meta ( [somedata] => somevalue ) ) */ }