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https://issues.apache.org/jira/browse/HDFS-9959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15194500#comment-15194500
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Tsz Wo Nicholas Sze edited comment on HDFS-9959 at 3/15/16 1:07 AM:
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> ... In real production cluster, this should not happen often, otherwise there
> will be lots of corrupt files.
This is based on assumptions that the cluster is well managed and the users are
not creating single replica files. These assumptions may not be true,
unfortunately.
was (Author: szetszwo):
> ... In real production cluster, this should not happen often, otherwise there
> will be lots of corrupt files.
This is based on assumptions that the cluster is well managed and the users are
not creating single replica files. The assumptions may not be true.
> add log when block removed from last live datanode
> --------------------------------------------------
>
> Key: HDFS-9959
> URL: https://issues.apache.org/jira/browse/HDFS-9959
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: yunjiong zhao
> Assignee: yunjiong zhao
> Priority: Minor
> Attachments: HDFS-9959.patch
>
>
> Add logs like "BLOCK* No live nodes contain block blk_1073741825_1001, last
> datanode contain it is node: 127.0.0.1:65341" in BlockStateChange should help
> to identify which datanode should be fixed first to recover missing blocks.
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