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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-8036) ProtobufUtil.multi behavior is inconsistent in case of errors
Date Fri, 08 Mar 2013 03:00:16 GMT

     [ https://issues.apache.org/jira/browse/HBASE-8036?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sergey Shelukhin updated HBASE-8036:
------------------------------------

    Summary: ProtobufUtil.multi behavior is inconsistent in case of errors  (was: ProtobufUtil.multi
behavior is incosnsistent in case of errors)
    
> 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
>             Fix For: 0.95.0
>
>
> 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, and PU continues the batch and returns partial failure. 
> In case of other errors (for example, region not served exception), the entire batch
stops executing, and previous successes and partial results are disregarded.
> ProtobufUtil should probably catch ServiceException separately for multi-region batches,
and make it a partial result for all actions for this region (and also continue the batch),
to make the behavior consistent.
> Alternatively server should do that for region-specific errors (add exception to results
for each action), if we want to avoid continuing the batch in case of some server-wide errors/connection
problems/etc.

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