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From Andrew Wells <awe...@clearedgeit.com>
Subject Re: Definition of System Status'
Date Thu, 10 Jul 2014 13:19:09 GMT
On Thu, Jul 10, 2014 at 9:04 AM, Eric Newton <eric.newton@gmail.com> wrote:

>
>
>
> On Thu, Jul 10, 2014 at 8:47 AM, Andrew Wells <awells@clearedgeit.com>
> wrote:
>
>> I am working for a client, and they keep getting TABLET_LOAD problems.
>>
>
> Okay.
>
>
>>
>> I am assuming it means that the tablet is being overloaded, but there
>> really isn't any definition of what this means, or its cause.
>>
>
> No, it means there is a problem loading the tablet.  The master has
> assigned it, and the tablet server is having trouble loading it.
>
> One possible problem is that the files for the tablet are missing.
> Another might be a missing or corrupt recovery log.
>
> These are serious errors.
>

This is the kind of information we need in the administrators guide

>
>

>
>>  This also goes for other problem statuses like FiILE_READ FILE_WRITE
>>
>
> These should be accompanied by messages about the files in question.
>
>  Under heavy load, HDFS read/write errors will bubble up to accumulo, and
> it will post these errors.
>
Same as top. Do you (or anyone reading) know of common configuration
problems that cause this? Resolutions?

>
>
>>
>> As accumulo get bigger, we may want to have a dictionary of Problem
>> Status, Problems, and Resolutions
>>
>
> A dictionary should probably have, types of errors/warnings, definitions,
>> common problems and resolutions.
>>
>
> Have you read the troubleshooting section of the user's manual?  If there
> is something you would like to see there, make a ticket:
>
I read google, the only thing i found was something written by billie.

>
> https://issues.apache.org/jira/browse/ACCUMULO/
>
> As always, contributions are welcome.
>

I'll try to make some tickets tonight. If people don't mind listing
definitions of status as well as generic problems and solutions in this
thread, I could reference this email chain in the ticket as a resource.

>
>

>
> -Eric
>



-- 
*Andrew George Wells*
*Software Engineer*
*awells@clearedgeit.com <awells@clearedgeit.com>*

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