php - Extremely slow Composer\Autoload\includeFile shown in New Relic for Heroku app -


in new relic, can see transaction trace php 5.6 application that's hosted on heroku. transaction took 21,600ms execute , 87% of composer\autoload\includefile. understanding, composer\autoload\includefile consists of include $file;, i'm @ loss.

this problem not occurring frequently, , transactions of type seem fine.

what taking long?

i same result composer. composer manages libraries quite easy, loading speed slow default. should use "--optimize-autoloader" flag deploy code in production environment. otherwise, lost 20%-25% performance.


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