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Posted to issues@hbase.apache.org by "Jimmy Xiang (JIRA)" <ji...@apache.org> on 2014/03/10 18:28:46 UTC
[jira] [Assigned] (HBASE-10714) SyncFuture hangs when sequence is 0
[ https://issues.apache.org/jira/browse/HBASE-10714?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jimmy Xiang reassigned HBASE-10714:
-----------------------------------
Assignee: Jimmy Xiang
> SyncFuture hangs when sequence is 0
> -----------------------------------
>
> Key: HBASE-10714
> URL: https://issues.apache.org/jira/browse/HBASE-10714
> Project: HBase
> Issue Type: Bug
> Components: wal
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
>
> In SyncFuture, NOT_DONE = 0. The initial value of the ringBuffer is -1. So ringBuffer.next() gives 0 for the first call. If we create a SyncFuture with sequence = 0, even when we set it's done (ie. doneSequence = 0), it is still not done since doneSequence == NOT_DONE == 0. Can we set NOT_DONE to -1, and the initial doneSequence to -2?
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