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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15264) Implement a fan out HDFS OutputStream
Date Wed, 17 Feb 2016 05:07:18 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15264?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15149863#comment-15149863

stack commented on HBASE-15264:

Sweet. Stick on head of the class too.

How we know when to flush? We'll do it size and/or time based? We'll plug this in on what
was the append/sync side of the ringbuffer?

On error, we need to block and wait on the lease recovery? Or is there where we do as you
suggest, we put the WAL aside while recovering lease and start a new one. What you thinking
for case where we fail to recover lease? Or, you are thinking we accumulate writes in memory
without acking the client while lease recovery is going on (Pardon me if missing some of what
has been discussed before... I tried to catch up today but these issues are getting long now
-- smile).

Great stuff [~Apache9]

> Implement a fan out HDFS OutputStream
> -------------------------------------
>                 Key: HBASE-15264
>                 URL: https://issues.apache.org/jira/browse/HBASE-15264
>             Project: HBase
>          Issue Type: Sub-task
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>         Attachments: HBASE-15264-v1.patch, HBASE-15264-v2.patch, HBASE-15264.patch

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