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From Vladimir Rodionov <vladrodio...@gmail.com>
Subject Re: Intermittent flush delay warning in log
Date Wed, 27 Jul 2016 06:54:25 GMT
That is normal and log level is INFO, btw. Flash request is put into a
queue with a random delay.

-Vlad

On Tue, Jul 26, 2016 at 9:04 PM, Rural Hunter <ruralhunter@gmail.com> wrote:

> We are using hbase 0.98.16. I noticed these flush delay warning in logs:
> 2016-07-27 07:56:54,965 INFO  [regionserver60020.periodicFlusher]
> regionserver.HRegionServer: regionserver60020.periodicFlusher requesting
> flush for region article,e00120c92d6f8580a0e30a8147d6338a
> |1537087,1423716346599.36d8e40e7d907701ccac52c26bb16668. after a delay of
> 16168
> 2016-07-27 07:59:34,968 INFO  [regionserver60020.periodicFlusher]
> regionserver.HRegionServer: regionserver60020.periodicFlusher requesting
> flush for region article,37cd7186f5afffd5607ffff37d5a75e5
> |880498,1452270753440.46b5d9579589c24bcbc5709b0c41fd73. after a delay of
> 11385
> 2016-07-27 07:59:44,967 INFO  [regionserver60020.periodicFlusher]
> regionserver.HRegionServer: regionserver60020.periodicFlusher requesting
> flush for region article,37cd7186f5afffd5607ffff37d5a75e5
> |880498,1452270753440.46b5d9579589c24bcbc5709b0c41fd73. after a delay of
> 3882
> 2016-07-27 08:08:14,988 INFO  [regionserver60020.periodicFlusher]
> regionserver.HRegionServer: regionserver60020.periodicFlusher requesting
> flush for region article,47db04928a89f0480054d7db7abe9470
> |1538191,1456200869915.09a0c77c530c2df6f6dd6a508113d45b. after a delay of
> 11528
> 2016-07-27 08:08:24,988 INFO  [regionserver60020.periodicFlusher]
> regionserver.HRegionServer: regionserver60020.periodicFlusher requesting
> flush for region article,47db04928a89f0480054d7db7abe9470
> |1538191,1456200869915.09a0c77c530c2df6f6dd6a508113d45b. after a delay of
> 11290
> 2016-07-27 08:14:14,991 INFO  [regionserver60020.periodicFlusher]
> regionserver.HRegionServer: regionserver60020.periodicFlusher requesting
> flush for region article,6bfc02e:,1456204392924.7e8dab6c8
> 91219a312c58fd2b7a4dfb7. after a delay of 8179
> 2016-07-27 08:22:44,996 INFO  [regionserver60020.periodicFlusher]
> regionserver.HRegionServer: regionserver60020.periodicFlusher requesting
> flush for region visited,7607b489eadbb681bc9dc9d531d7f652\x0
> 0\x1C\xE1\x17,1469173751844.dc079d43280e48e92b8595931a1bf194. after a delay
> of 15914
>
> Does this mean there is something wrong and any impact with this?
>

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