Memory leak in processing MCMP, wrong apr pool used for allocation ------------------------------------------------------------------ Key: MODCLUSTER-522 URL: https://issues.redhat.com/browse/MODCLUSTER-522 Project: mod_cluster Issue Type: Bug Components: Native (httpd modules) Affects Versions: 1.3.1.Final, 2.0.0.Alpha1 Environment: Solaris 10 x86_64, RHEL 6, Fedora 24, httpd 2.4.6, httpd 2.4.20 Reporter: Michal Karm Assignee: Jean-Frederic Clere Priority: Critical Fix For: 1.3.5.Final Attachments: mod_cluster-mem.jpg, mod_cluster-mem1.jpg, screenshot-1.png There seems to be a wrong apr pool used for processing certain MCMP commands. We should use short life span pools for immediate processing and server-lifetime pools only for really persistent configuration. In the current state, with 20+ tomcat workers (1 alias and 1 context each) and virtually no client requests, we could see slow, but steady growth of heap allocated memory. TODO: Investigate the offending logic, make sure we ain't using long-lived pools for immediate processing. Originally discovered by: [~j_sykora] and [~jmsantuci] Illustrative memory overview - with constant number of Tomcats: