[JIRA] (JENKINS-54564) Jenkins master CPU pegs pegs at >= 18% - Killing telemetry collection thread seems to fix it

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Jon B commented on JENKINS-54564   Re: Jenkins master CPU pegs pegs at >= 18% - Killing telemetry collection thread seems to fix it In the thread dump I took prior to killing the thread, here's what I see with respect to telemetry: "telemetry collection thread" #1313308 daemon prio=5 os_prio=0 tid=0x0000561f7e3f0800 nid=0x2e99 runnable [0x00007ff048996000]"telemetry collection thread" #1313308 daemon prio=5 os_prio=0 tid=0x0000561f7e3f0800 nid=0x2e99 runnable [0x00007ff048996000]   java.lang.Thread.State: RUNNABLE at java.util.TreeMap.successor(TreeMap.java:2154) at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1212) at java.util.TreeMap$KeyIterator.next(TreeMap.java:1265) at java.util.AbstractSet.hashCode(AbstractSet.java:124) at java.util.TreeMap$Entry.hashCode(TreeMap.java:2112) at java.util.AbstractMap.hashCode(AbstractMap.java:530) at java.util.HashMap.hash(HashMap.java:339) at java.util.HashMap.put(HashMap.java:612) at java.util.HashSet.add(HashSet.java:220) at net.sf.json.AbstractJSON.addInstance(AbstractJSON.java:67) at net.sf.json.JSONObject._fromMap(JSONObject.java:1059) at net.sf.json.JSONObject.fromObject(JSONObject.java:160) at net.sf.json.JSONObject.fromObject(JSONObject.java:132) at jenkins.telemetry.impl.StaplerDispatches.createContent(StaplerDispatches.java:83) at jenkins.telemetry.Telemetry$TelemetryReporter.lambda$execute$0(Telemetry.java:167) at jenkins.telemetry.Telemetry$TelemetryReporter$$Lambda$260/1575862926.accept(Unknown Source) at java.lang.Iterable.forEach(Iterable.java:75) at jenkins.telemetry.Telemetry$TelemetryReporter.execute(Telemetry.java:155) at hudson.model.AsyncPeriodicWork$1.run(AsyncPeriodicWork.java:101) at java.lang.Thread.run(Thread.java:748) Add Comment   This message was sent by Atlassian Jira (v7.11.2#711002-sha1:fdc329d) -- 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.