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Hadoop QA commented on HDFS-9959:
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Arpit Agarwal commented on HDFS-9959:
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Thanks [~zhaoyunjiong]. +1 pending Jenkins.
> add log when
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Arpit Agarwal commented on HDFS-9959:
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One comment - please consider replacing the StringBuilder
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Hadoop QA commented on HDFS-9959:
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Hadoop QA commented on HDFS-9959:
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Tsz Wo Nicholas Sze commented on HDFS-9959:
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The new patch looks great! Thanks for adding a test.
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Hadoop QA commented on HDFS-9959:
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Tsz Wo Nicholas Sze commented on HDFS-9959:
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For the new patch, please call init() in
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yunjiong zhao commented on HDFS-9959:
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+1 for this.
> add log when block removed from last live
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yunjiong zhao commented on HDFS-9959:
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I understand, thanks.
> add log when block removed from last
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Tsz Wo Nicholas Sze commented on HDFS-9959:
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> ... We don't want to keep more state in the NN
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Arpit Agarwal commented on HDFS-9959:
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Hi [~zhaoyunjiong], this will need some thought to get right. We
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Hadoop QA commented on HDFS-9959:
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Arpit Agarwal commented on HDFS-9959:
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bq. In real production cluster, this should not happen often,
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Tsz Wo Nicholas Sze commented on HDFS-9959:
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> ... In real production cluster, this should not
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yunjiong zhao commented on HDFS-9959:
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It shouldn't, it will only print those blocks which was removed
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Tsz Wo Nicholas Sze commented on HDFS-9959:
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Then there could be a lot of blocks in this case
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Hadoop QA commented on HDFS-9959:
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yunjiong zhao commented on HDFS-9959:
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If removeNode(Block b, DatanodeDescriptor node) was invoked by
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Tsz Wo Nicholas Sze commented on HDFS-9959:
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> For performance penalty, I think it should be fine
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yunjiong zhao commented on HDFS-9959:
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For other logs, it is not that convenient. For example, if the
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Tsz Wo Nicholas Sze commented on HDFS-9959:
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For recovering blk_1073741825, we may search other
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