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https://issues.apache.org/jira/browse/HDFS-9787?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15140146#comment-15140146
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Inigo Goiri commented on HDFS-9787:
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[~jesse_yates], do you mind taking a look at this?
> SNNs stop uploading FSImage to ANN once isPrimaryCheckPointer changed to
> false.
> -------------------------------------------------------------------------------
>
> Key: HDFS-9787
> URL: https://issues.apache.org/jira/browse/HDFS-9787
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: ha
> Affects Versions: 3.0.0
> Reporter: Guocui Mi
> Assignee: Guocui Mi
>
> SNNs stop uploading FSImage to ANN once isPrimaryCheckPointer become false.
> Here is the logic to check if upload FSImage or not.
> In StandbyCheckpointer.java
> boolean sendRequest = isPrimaryCheckPointer || secsSinceLastUpload >=
> checkpointConf.getQuietPeriod();
> doCheckpoint(sendRequest);
> The sendRequest is always false if isPrimaryCheckPointer is false giving
> secsSinceLast (~checkpointPeriod) >= checkpointConf.getQuietPeriod()
> (checkpointPeriod * this.quietMultiplier(default value 1.5)) always returns
> false.
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