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From jeff saremi <jeffsar...@hotmail.com>
Subject Re: Need guidance on getting detailed elapsed times in every stage of processing a request
Date Tue, 28 Feb 2017 20:52:32 GMT
No I had not. but it looks like what i needed. Thanks Ted.

I'll see if I have any more questions after reading this.

________________________________
From: Ted Yu <yuzhihong@gmail.com>
Sent: Tuesday, February 28, 2017 12:47:08 PM
To: user@hbase.apache.org
Subject: Re: Need guidance on getting detailed elapsed times in every stage of processing
a request

Have you looked at:
http://hbase.apache.org/book.html#tracing

On Tue, Feb 28, 2017 at 12:37 PM, jeff saremi <jeffsaremi@hotmail.com>
wrote:

> I think we need to get detailed information from HBase RegionServer logs
> on how a request (read or write) is processed. Specifically speaking, i
> need to know of say 100 ms time spent in processing a write, how much of it
> was spent waiting for the HDFS?
> What is the most efficient way of enabling this in log4j properties? Are
> there better mechanisms to get this information?
>
> If I can get this in the log, then I can process the logs offline or in
> neartime and mount some dashboards on the top.
>
> thanks
>
>
> Jeff
>

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