Might be worth looking at OpenJ9. It has some nifty cloud native features for helping reduce JVM load. For example:
* https://www.eclipse.org/openj9/docs/jitserver/ * https://www.eclipse.org/openj9/docs/shrc/ Disclaimer: I've only seen a talk about this; I've never tried configuring this in a real cloud environment. Looks nifty, though. On Fri, Jun 5, 2020 at 3:24 PM Jesse Glick <jgl...@cloudbees.com> wrote: > > Thank you for digging into this problem which has been plaguing us. > (INFRA-2548?) Your analysis sounds right. The next step would be PRs > to infrastructure repositories. > > 256Mb seems low for a Surefire JVM—this needs to run Jenkins and all > plugins plus whatever your test code is doing. Of course 2Gb is also a > bit tight for `JenkinsRule` tests. I agree that `agent.jar` should be > able to run in quite a bit less than whatever HotSpot ergonomics would > pick by default, and probably `mvn` could as well, leaving more room > for the Surefire JVM and any extra processes such as mock agents, Git, > Docker fixtures, etc. > > I wonder if there is any way to have all the JVMs in this VM coöperate > to jointly use, say, 75% of available RAM in whatever proportion. > > -- > You received this message because you are subscribed to the Google Groups > "Jenkins Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to jenkinsci-dev+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/jenkinsci-dev/CANfRfr1t-OO_xf4JC7ABZApepXSQ44P2SphF_8j0cf8FsZNU1A%40mail.gmail.com. -- Matt Sicker Senior Software Engineer, CloudBees -- You received this message because you are subscribed to the Google Groups "Jenkins Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-dev+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-dev/CAEot4ozeXkYbRevuwk4F5wr%3DaR9sniv%2BJ3H60Ed-7iKpT%3DErGA%40mail.gmail.com.
