[jira] [Commented] (HDFS-16922) The logic of IncrementalBlockReportManager#addRDBI method may cause missing blocks when cluster is busy.

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-16922?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17745351#comment-17745351 ] 

ASF GitHub Bot commented on HDFS-16922:
---------------------------------------

hubble-insight commented on PR #5398:
URL: https://github.com/apache/hadoop/pull/5398#issuecomment-1644922899

   "This  fix seems to only alleviate the probability of this issue occurring. If the incremental report of this chunk has already been reported to nn and is not cached in pendingIBRs, then subsequent smaller GS reports will be reported to nn again."




> The logic of IncrementalBlockReportManager#addRDBI method may cause missing blocks when cluster is busy.
> --------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-16922
>                 URL: https://issues.apache.org/jira/browse/HDFS-16922
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>            Reporter: farmmamba
>            Priority: Major
>              Labels: pull-request-available
>
> The current logic of IncrementalBlockReportManager# addRDBI method could lead to the missing blocks when datanodes in pipeline are I/O busy.



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