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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-15265) Implement an asynchronous FSHLog
Date Thu, 10 Mar 2016 19:59:40 GMT

     [ https://issues.apache.org/jira/browse/HBASE-15265?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

stack updated HBASE-15265:
--------------------------
    Release Note: 
To enable, set the WALProvider as follows:

{code}
<property>
<name>hbase.wal.provider</name>
<value>asyncfs</value>
</property>
<property>
{code}

To check which provider is active, look for the log line:

LOG.info("Instantiating WALProvider of type " + clazz);





Started up the release note.

Yeah, I see the provider log. Thanks.

On the name, yeah, default is 'filesystem' but next one is 'multiwal' -- no mention of fs
-- and then we have asyncfs.... Its a nit but async might be the better name given multiwal
is named for its distingushing feature... you could do the same in your naming. Not important.

My run of ITBLL w/ this provider enabled failed.. let me see why ... or rather, let me back
up and see if Master passes first... I'll be back. Let me finish my review too...

> Implement an asynchronous FSHLog
> --------------------------------
>
>                 Key: HBASE-15265
>                 URL: https://issues.apache.org/jira/browse/HBASE-15265
>             Project: HBase
>          Issue Type: Sub-task
>          Components: wal
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>             Fix For: 2.0.0
>
>         Attachments: HBASE-15265-v1.patch, HBASE-15265-v2.patch, HBASE-15265-v3.patch,
HBASE-15265-v4.patch, HBASE-15265-v5.patch, HBASE-15265-v6.patch, HBASE-15265.patch
>
>




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