389-devel-request@xxxxxxxxxxxxxxxxxxxxxxx wrote: > My next steps from here will be: > > * To add USDT probes to the logs and back_ldbm to get better, fine detail about what is causing the excessive latency. > * these probes are also needed to resolve what appears to be a symbol resolution issue with systemtap when optimisations are enabled. > * To add probes in other parts of the code base to get better visualisation about where and how long timings are taking through an operation. > * To run a lock contention profile (I was unable to do this today due to bugs in systemtap) > * To document the setup proceedures > * Commit all these into a PR > * Document some actionable improvements we can make to improve the server performance. mutrace will give you a good audit of lock contention, and it's simple to use, takes no setup. http://git.0pointer.net/mutrace.git/ -- -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/ _______________________________________________ 389-devel mailing list -- 389-devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to 389-devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/389-devel@xxxxxxxxxxxxxxxxxxxxxxx
