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Posted to dev@phoenix.apache.org by "Csaba Skrabak (JIRA)" <ji...@apache.org> on 2017/03/10 10:37:04 UTC
[jira] [Commented] (PHOENIX-3071) Surface more information on
failed locations
[ https://issues.apache.org/jira/browse/PHOENIX-3071?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15904870#comment-15904870 ]
Csaba Skrabak commented on PHOENIX-3071:
----------------------------------------
What method exactly is throwing RetriesExhaustedWithDetailsException in which case? I'm looking for easy things to fix but this one is not clear enough to me.
> Surface more information on failed locations
> --------------------------------------------
>
> Key: PHOENIX-3071
> URL: https://issues.apache.org/jira/browse/PHOENIX-3071
> Project: Phoenix
> Issue Type: Improvement
> Reporter: Andrew Purtell
> Priority: Minor
>
> Phoenix is throwing a RetriesExhaustedWithDetailsException out of MutationState. RetriesExhaustedWithDetailsException carries a lot of interesting information accessible via type specific methods. Instead of just rethrowing RetriesExhaustedWithDetailsException, MutationState should construct a CommitException that enumerates rows and last known server location using RetriesExhaustedWithDetailsException#getRow(int) and RetriesExhaustedWithDetailsException#getHostnamePort(int).
> Consider alerts of the form (prettily formatted):
> {noformat}
> CommitException: RetriesExhaustedWithDetailsException:
> Failed 88 actions: IOException: 88 times, at MutationState [
> Table: TEST_TABLE [
> Row: testRowc1900d75072f9fc8217735631dda44a3
> Location: host1234.domain.company.com,
> Row: ...
> ]
> ]
> {noformat}
> The additional information in the exception message can significantly aid debugging and remediation efforts because the location(s) causing issues for the client will be known up front.
> Probably want to stop enumerating after a configurable number of locations and skip an entry if the preceding entry also has the same row and location.
> Should do the same wherever rethrowing or bubbling up RetriesExhaustedWithDetailsException.
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