Peter Somogyi created HBASE-18665:
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Summary: ReversedScannerCallable invokes getRegionLocations
incorrectly
Key: HBASE-18665
URL: https://issues.apache.org/jira/browse/HBASE-18665
Project: HBase
Issue Type: Bug
Affects Versions: 2.0.0, 3.0.0, 1.4.0, 1.3.2, 1.5.0, 1.2.7, 1.1.13
Reporter: Peter Somogyi
Assignee: Peter Somogyi
The behavior of ReversedScannerCallable#prepare [1] and ScannerCallable#prepare
[2] methods differ how they call
RpcRetryingCallerWithReadReplicas.getRegionLocations method.
The reversed scanner uses the 'reload' parameter directly as the first argument
- RpcRetryingCallerWithReadReplicas.getRegionLocations(reload, id,
getConnection(), getTableName(), getRow()) - however, the forward scanner
passes '!reload'. The getRegionLocations first parameter is 'useCache', the way
we use it in ScannerCallable is the correct one.
The same call can be found in ReversedScannerCallable#locateRegionsInRange [3]
also without negating its value.
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