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https://issues.apache.org/jira/browse/HDFS-14953?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16968113#comment-16968113
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Takanobu Asanuma commented on HDFS-14953:
-----------------------------------------
The case is very similar to [this
issue|https://github.com/linkedin/dynamometer/issues/64]. (Thanks for reporting
it, [~weichiu].)
{quote}
After HDFS-9260, NN expects block replicas to be reported in ascending order of
block id. If a block id is not in order, NN discards it silently. Because
simulated DataNode in Dynamometer uses hash map to store block replicas, the
replicas are not reported in order. The Dynamometer cluster would then see
missing blocks gradually increase several minutes after NN starts.
{quote}
> [Dynamometer] Missing blocks gradually increase after NN starts
> ---------------------------------------------------------------
>
> Key: HDFS-14953
> URL: https://issues.apache.org/jira/browse/HDFS-14953
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: tools
> Reporter: Takanobu Asanuma
> Priority: Major
>
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