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From Jason Heo <jason.heo....@gmail.com>
Subject Re: kudu-tserver died suddenly
Date Tue, 06 Jun 2017 13:01:08 GMT
How can I avoid this known bug?

a. downgrade to Kudu 1.2 and upgrade after fixed
b. decrease mm num threads (I also set to 8 currently)

I have Data which is loaded by Kudu 1.4, and I'm using CDH 5.11.0. I'm
wondering it is safe to downgrade to Kudu 1.2 without reinstalling or
dropping all Data.

Thanks.

2017-06-06 15:13 GMT+09:00 Jason Heo <jason.heo.sde@gmail.com>:

> Hi Todd,
>
> Thank you for your reply.
>
> Ok, I got it. I should have googled it before mailing ;)
>
> Regards,
>
> Jason
>
> 2017-06-06 15:03 GMT+09:00 Todd Lipcon <todd@cloudera.com>:
>
>> Hi Jason,
>>
>> It sounds like you hit https://issues.apache.org/jira/browse/KUDU-1956
>> -- it's a known bug that we haven't gotten around to fixing yet. I hadn't
>> seen it "in the wild" before, but I'll add a note to the JIRA that you hit
>> it, and try to prioritize a fix soon (eg for 1.4.1)
>>
>> -Todd
>>
>> On Mon, Jun 5, 2017 at 6:38 PM, Jason Heo <jason.heo.sde@gmail.com>
>> wrote:
>>
>>> Hello.
>>>
>>> I'm using this patch https://gerrit.cloudera.org/#/c/6925/
>>>
>>> One of tservers died suddenly. Here is ERROR and FATAL log.
>>>
>>> E0605 15:04:33.376554 138642 tablet.cc:1219] T
>>> 3cca831acf744e1daee72582b8e16dc4 P 125dbd2ffb8a401bb7e4fd982995ccf8:
>>> Rowset selected for compaction but not available anymore: RowSet(150)
>>>
>>> E0605 15:04:33.376605 138642 tablet.cc:1219] T
>>> 3cca831acf744e1daee72582b8e16dc4 P 125dbd2ffb8a401bb7e4fd982995ccf8:
>>> Rowset selected for compaction but not available anymore: RowSet(59)
>>>
>>> E0605 15:04:33.376615 138642 tablet.cc:1219] T
>>> 3cca831acf744e1daee72582b8e16dc4 P 125dbd2ffb8a401bb7e4fd982995ccf8:
>>> Rowset selected for compaction but not available anymore: RowSet(60)
>>>
>>> F0605 15:04:33.377100 138642 tablet.cc:1222] T
>>> 3cca831acf744e1daee72582b8e16dc4 P 125dbd2ffb8a401bb7e4fd982995ccf8:
>>> Was unable to find all rowsets selected for compaction
>>>
>>>
>>> <End of Log>
>>>
>>>
>>> Could I know what's the problem? Feel free to ask any information to
>>> resolve it.
>>>
>>>
>>> Thank,
>>>
>>>
>>> Jason
>>>
>>
>>
>>
>> --
>> Todd Lipcon
>> Software Engineer, Cloudera
>>
>
>

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