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https://issues.apache.org/jira/browse/HBASE-8036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Enis Soztutar updated HBASE-8036:
---------------------------------
Attachment: hbase-8036_v1.patch
Here is a first stab at it. I copied the HCM test from one of the above tests,
but changed it so that, we create many regions, cache region locations, move
one region, do a multi() against the region server with a row in a valid region
in the RS, and the moved region. (Re)try limit is set to 2, so that if we
incorrectly update the region's location, it fails.
> ProtobufUtil.multi behavior is inconsistent in case of errors
> -------------------------------------------------------------
>
> Key: HBASE-8036
> URL: https://issues.apache.org/jira/browse/HBASE-8036
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.95.0
> Reporter: Sergey Shelukhin
> Assignee: Enis Soztutar
> Priority: Blocker
> Fix For: 0.95.0
>
> Attachments: hbase-8036_v1.patch
>
>
> ProtobufUtil splits operations by regions and performs multiple client.multi
> calls. In case if there are certain errors inside RS, HRegionServer adds the
> corresponding exceptions to MultiResponse, PU continues the multi request for
> other regions, and returns partial failure.
> In case of other errors (for example, region not served exception), the
> entire multi operation stops executing, and previous successes and partial
> results are disregarded.
> ProtobufUtil should probably catch ServiceException separately for each
> client.multi call, make it a partial-failure exception for all actions for
> this region, and also continue the batch, to make the behavior consistent.
> Alternatively, if we want to avoid continuing the batch in case of some
> server-wide errors/connection problems/etc., server should do that for
> region-specific errors (add exception to results for each action).
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