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https://issues.apache.org/jira/browse/PHOENIX-2628?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15225598#comment-15225598
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ASF GitHub Bot commented on PHOENIX-2628:
-----------------------------------------
Github user JamesRTaylor commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/156#discussion_r58482075
--- Diff:
phoenix-core/src/main/java/org/apache/phoenix/coprocessor/GroupedAggregateRegionObserver.java
---
@@ -402,8 +405,8 @@ private RegionScanner
scanUnordered(ObserverContext<RegionCoprocessorEnvironment
}
Region region = c.getEnvironment().getRegion();
- region.startRegionOperation();
try {
+ region.startRegionOperation();
--- End diff --
Doesn't startRegionOperation() take a lock which would prevent a split from
occurring and thus a NotServingRegionException from happening? Or is this the
case where the split occurred after pre open, but before we start iterating?
Let's doc that please.
> Ensure split when iterating through results handled correctly
> -------------------------------------------------------------
>
> Key: PHOENIX-2628
> URL: https://issues.apache.org/jira/browse/PHOENIX-2628
> Project: Phoenix
> Issue Type: Bug
> Reporter: James Taylor
> Assignee: Rajeshbabu Chintaguntla
> Fix For: 4.8.0
>
> Attachments: PHOENIX-2628-wip.patch, PHOENIX-2628.patch,
> PHOENIX-2628_v7.patch, PHOENIX-2628_v8.patch
>
>
> We should start with a test case to ensure this works correctly, both for
> scans and aggregates.
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