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https://issues.apache.org/jira/browse/S4-137?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13756069#comment-13756069
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Matthieu Morel commented on S4-137:
-----------------------------------
Good idea especially if you have a use case for that. You might also want to
consider the induced latency though, depending on the checkpoint size and
frequency. Make sure to use the hsync api for persistency guarantees.
> Add HDFS StateStorage for more reliable checkpoint saving
> ---------------------------------------------------------
>
> Key: S4-137
> URL: https://issues.apache.org/jira/browse/S4-137
> Project: Apache S4
> Issue Type: New Feature
> Affects Versions: 0.6
> Reporter: Kurtt.Lin
> Priority: Minor
> Labels: checkpoint
> Fix For: 0.7
>
> Original Estimate: 120h
> Remaining Estimate: 120h
>
> Currently DefaultFileSystemStateStorage is the only implementation for
> StateStorage. Should have a storage like HDFS to improve the reliability of
> the checkpoints' states. Some apps would benefit from this.
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