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Accumulo >> mail # user >> Error replicating table


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Re: Error replicating table
Spot on Eric,

You're right - I can't write anything to HDFS.  Thanks for pointing me in
the right direction!!

Mike
On Fri, Mar 8, 2013 at 9:13 AM, Eric Newton <[EMAIL PROTECTED]> wrote:

> Have you tried writing to HDFS?  If your namenode is up, HDFS will appear
> to be quite healthy until it times out your datanode and decides that it is
> down.
>
> You can see these errors if HDFS is just overwhelmed, but they will be
> intermittent.
>
> -Eric
>
>
> On Fri, Mar 8, 2013 at 10:04 AM, Mike Hugo <[EMAIL PROTECTED]> wrote:
>
>> It doesn't appear to be down - I can hit
>> http://server:50070/dfshealth.jsp - doesn't show any errors.  Also scans
>> work correctly and the system is returning data normally.  Other than those
>> two errors in the logs, everything appears to be working (?).
>>
>> Am I correct in assuming that if HDFS was down, we would be seeing more
>> problems than just the replication error and minc error?
>>
>> Mike
>>
>>
>>
>>
>> On Fri, Mar 8, 2013 at 8:19 AM, Eric Newton <[EMAIL PROTECTED]>wrote:
>>
>>> Bring HDFS back up.
>>>
>>> -Eric
>>>
>>>
>>> On Fri, Mar 8, 2013 at 9:17 AM, Mike Hugo <[EMAIL PROTECTED]> wrote:
>>>
>>>> We have a test server that is just a single machine accumulo instance.
>>>>  This morning it began reporting the following error:
>>>>
>>>> java.io.IOException: File
>>>> /accumulo/tables/!0/table_info/F0001ac7.rf_tmp could only be replicated to
>>>> 0 nodes, instead of 1 at
>>>>
>>>> I also noticed one other table is failing on MinC
>>>> MinC failed (java.io.IOException: File
>>>> /accumulo/tables/28/t-0001a92/F0001ac9.rf_tmp could only be replicated to 0
>>>> nodes, instead of 1
>>>>
>>>> How do I resolve these errors?
>>>>
>>>> Thanks!
>>>>
>>>> Mike
>>>>
>>>
>>>
>>
>