[
https://issues.apache.org/jira/browse/HDFS-15760?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Uma Maheswara Rao G reassigned HDFS-15760:
------------------------------------------
Assignee: Uma Maheswara Rao G
> Validate the target indices in ErasureCoding worker in reconstruction process
> -----------------------------------------------------------------------------
>
> Key: HDFS-15760
> URL: https://issues.apache.org/jira/browse/HDFS-15760
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: ec
> Affects Versions: 3.4.0
> Reporter: Uma Maheswara Rao G
> Assignee: Uma Maheswara Rao G
> Priority: Major
>
> As we have seen issues like
> # HDFS-15186
> # HDFS-14768
> It is a good idea to validate the indices at the ECWorker side and skip the
> unintended in indices from target list.
> Both of the issues triggered because, NN accidentally scheduled for
> reconstruction in decom process due to busy node. We have fixed to make sure
> NN considers busy nodes as live replicas. However, it may be good idea to
> safe gaud the condition at ECWorker also in case if any other condition
> triggers and that leads ECWroker to calculate the indices similar the above
> issues, then EC function returns wrong o/p. I think it's ok to recover only
> the missing indices from the given src indices.
>
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
