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HBase >> mail # dev >> Re: [jira] [Resolved] (HBASE-8591) Doc Improvement: Replication blog


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N Dm 2013-05-22, 17:02
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Himanshu Vashishtha 2013-05-22, 18:00
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Re: [jira] [Resolved] (HBASE-8591) Doc Improvement: Replication blog
Himanshu,

Thanks a lot. Your suggestion saved me a lot of time if have to figure it out myself

Demai on the run

On May 22, 2013, at 11:00 AM, Himanshu Vashishtha <[EMAIL PROTECTED]> wrote:

> Since the source metrics would not be available in case the master cluster
> is down,
> your best bet would be "sink.ageOfLastAppliedOp" at the slave cluster.
> Its value is the timestamp of the last WALEdit that is applied to the
> slave.
>
>
> On Wed, May 22, 2013 at 10:02 AM, N Dm <[EMAIL PROTECTED]> wrote:
>
>> Stack and Himanshu,
>>
>> many thanks for putting this together.  Particularly  the info from
>> Replication Metrics, whichs help a lot to understand the replication.
>>
>> A quick question on source.ageOfLastShippedOp. In the case that master
>> cluster down, the user will like to know what the delta between master and
>> slave. In another word, to find out the portion of mutation that already
>> commit on Master, but haven't  replicated yet. Is source.ageOfLastShippedOp
>> the right place to look at? will it be available even with HBASE down?
>>
>> Again thanks for the doc and appreciate it.
>>
>> Demai
>>
>>
>> On Tue, May 21, 2013 at 10:39 PM, stack (JIRA) <[EMAIL PROTECTED]> wrote:
>>
>>>
>>>     [
>>>
>> https://issues.apache.org/jira/browse/HBASE-8591?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
>> ]
>>>
>>> stack resolved HBASE-8591.
>>> --------------------------
>>>
>>>       Resolution: Fixed
>>>    Fix Version/s: 0.98.0
>>>     Hadoop Flags: Reviewed
>>>
>>> Committed to trunk.  Thanks Himanshu (And Chris for review)
>>>
>>>> Doc Improvement: Replication blog
>>>> ---------------------------------
>>>>
>>>>                Key: HBASE-8591
>>>>                URL: https://issues.apache.org/jira/browse/HBASE-8591
>>>>            Project: HBase
>>>>         Issue Type: Task
>>>>         Components: documentation, Replication
>>>>   Affects Versions: 0.95.0
>>>>           Reporter: Himanshu Vashishtha
>>>>           Assignee: Himanshu Vashishtha
>>>>            Fix For: 0.98.0
>>>>
>>>>        Attachments: HBase-8591.patch, HBase-8591-v1.patch
>>>>
>>>>
>>>> Add a section for source level metrics and some truth about table batch
>>> ops at sink.
>>>
>>> --
>>> This message is automatically generated by JIRA.
>>> If you think it was sent incorrectly, please contact your JIRA
>>> administrators
>>> For more information on JIRA, see:
>> http://www.atlassian.com/software/jira
>>>
>>
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Varun Sharma 2013-05-22, 20:28