[JIRA] (JENKINS-42141) Performance issue in code cleaning up duplicate Tool Installer

[yoann.dubre...@gmail.com (JIRA)]

Title: Message Title

Yoann Dubreuil created an issue   Jenkins / JENKINS-42141 Performance issue in code cleaning up duplicate Tool Installer Issue Type: Bug Assignee: Yoann Dubreuil Components: core Created: 2017/Feb/17 9:44 AM Environment: Jenkins core 2.32.2 Priority: Major Reporter: Yoann Dubreuil There's a serious performance issue in the code cleaning up duplicate Tool Installer, in hudson.tools.DownloadFromUrlInstaller$DescriptorImpl.reduce(). On our hosted environment (DEV@cloud), it takes multiple minutes to complete and consumes a full CPU. Here is a stack trace of where the code is stuck at: 2017-02-16_14:43:24.25621 "Download metadata thread" #136500 daemon prio=5 os_prio=0 tid=0x00000000059e9800 nid=0x676a runnable [0x00007f7687dfc000] 2017-02-16_14:43:24.25621 java.lang.Thread.State: RUNNABLE 2017-02-16_14:43:24.25622 at hudson.tools.DownloadFromUrlInstaller$DescriptorImpl.reduce(DownloadFromUrlInstaller.java:184) 2017-02-16_14:43:24.25624 at hudson.tools.DownloadFromUrlInstaller$DescriptorImpl.access$100(DownloadFromUrlInstaller.java:123) 2017-02-16_14:43:24.25624 at hudson.tools.DownloadFromUrlInstaller$DescriptorImpl$1.reduce(DownloadFromUrlInstaller.java:140) 2017-02-16_14:43:24.25625 at hudson.model.DownloadService$Downloadable.updateNow(DownloadService.java:428) The problem was introduced in https://github.com/jenkinsci/jenkins/commit/80a6a9e7cbc1f2c7ecbf7c1161c55dae8c0233e0 Coming up with a patch. Add Comment   This message was sent by Atlassian JIRA (v7.1.7#71011-sha1:2526d7c) -- You received this message because you are subscribed to the Google Groups "Jenkins Issues" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-issues+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.