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https://issues.apache.org/jira/browse/FLINK-11138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16719986#comment-16719986
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cailiuyang commented on FLINK-11138:
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i see it, thanks very much
> RocksDB's wal seems to be useless in rocksdb-state-backend that reduce the
> disk's overhead
> ------------------------------------------------------------------------------------------
>
> Key: FLINK-11138
> URL: https://issues.apache.org/jira/browse/FLINK-11138
> Project: Flink
> Issue Type: Improvement
> Reporter: cailiuyang
> Priority: Major
>
> The wal of rocksdb is used to recovery after crash, but after flink-job
> crash, it always recovery from last checkpoint, so it seems wal is useless.
> Am i right?
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