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Posted to dev@sling.apache.org by "Marcel Reutegger (JIRA)" <ji...@apache.org> on 2017/10/30 10:00:00 UTC
[jira] [Updated] (SLING-7222) Too frequent samples
[ https://issues.apache.org/jira/browse/SLING-7222?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Marcel Reutegger updated SLING-7222:
------------------------------------
Attachment: SLING-7222.patch
Attached proposed changes with test and fix.
> Too frequent samples
> --------------------
>
> Key: SLING-7222
> URL: https://issues.apache.org/jira/browse/SLING-7222
> Project: Sling
> Issue Type: Bug
> Components: Commons
> Affects Versions: Commons Metrics RRD4J 1.0.0
> Reporter: Marcel Reutegger
> Priority: Minor
> Attachments: SLING-7222.patch
>
>
> The metrics reporter sometimes logs error messages telling samples are reported too frequently (more than once a second):
> {noformat}
> 29.10.2017 19:01:25.384 *ERROR* [metrics-RRD4JReporter-1-thread-1] com.codahale.metrics.ScheduledReporter RuntimeException thrown from RRD4JReporter#report. Exception was suppressed.
> java.lang.IllegalArgumentException: Bad sample time: 1509300085. Last update time was 1509300085, at least one second step is required
> at org.rrd4j.core.RrdDb.store(RrdDb.java:517)
> at org.rrd4j.core.Sample.update(Sample.java:194)
> at org.apache.sling.commons.metrics.rrd4j.impl.RRD4JReporter.report(RRD4JReporter.java:239)
> at com.codahale.metrics.ScheduledReporter.report(ScheduledReporter.java:162)
> at com.codahale.metrics.ScheduledReporter$1.run(ScheduledReporter.java:117)
> at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
> at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
> at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> {noformat}
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