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https://issues.apache.org/jira/browse/HDFS-10856?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15486429#comment-15486429
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Yiqun Lin commented on HDFS-10856:
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Thanks [~ajisakaa] for the commit, I will attach a patch for HADOOP-13598 soon.
> Update the comment of BPServiceActor$Scheduler#scheduleNextBlockReport
> ----------------------------------------------------------------------
>
> Key: HDFS-10856
> URL: https://issues.apache.org/jira/browse/HDFS-10856
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: documentation
> Reporter: Akira Ajisaka
> Assignee: Yiqun Lin
> Priority: Minor
> Labels: newbie
> Fix For: 2.8.0, 3.0.0-alpha2
>
> Attachments: HDFS-10856.001.patch
>
>
> Now the interval is 6 hours by default.
> {code:title=BPServiceActor$Scheduler#scheduleNextBlockReport}
> /* say the last block report was at 8:20:14. The current report
> * should have started around 9:20:14 (default 1 hour interval).
> * If current time is :
> * 1) normal like 9:20:18, next report should be at 10:20:14
> * 2) unexpected like 11:35:43, next report should be at 12:20:14
> */
> nextBlockReportTime +=
> (((monotonicNow() - nextBlockReportTime +
> blockReportIntervalMs) /
> blockReportIntervalMs)) * blockReportIntervalMs;
> {code}
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