[
https://issues.apache.org/jira/browse/HBASE-4557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13479486#comment-13479486
]
stack commented on HBASE-4557:
------------------------------
Yes. In general scannerid is opaque. Would be good to return something more
informative. I see the same issue when we get the TooSlow messages in the log.
Its logging scannerid which tells us next to nothing.. so some means of
logging scannerid plus current row or at least current region would be of more
use.
> Do something better than UnknownScannerException
> ------------------------------------------------
>
> Key: HBASE-4557
> URL: https://issues.apache.org/jira/browse/HBASE-4557
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 0.90.4
> Reporter: Jean-Daniel Cryans
> Fix For: 0.96.0
>
>
> UnknownScannerException is a plague, there's no reason we should not at least
> try to create a new scanner. If that fails again, maybe try automatically
> setting a lower scanner caching (if possible and with proper loggin) and
> retry again.
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira
