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HBASE-26630 TableSnapshotInputFormat terminates in the middle #4215

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HBASE-26630 TableSnapshotInputFormat terminates in the middle #4215

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9 changes: 6 additions & 3 deletions hbase-server/src/main/java/org/apache/hadoop/hbase/client/ClientSideRegionScanner.java
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Expand Up @@ -93,9 +93,12 @@ public ClientSideRegionScanner(Configuration conf, FileSystem fs,
@Override
public Result next() throws IOException {
values.clear();
scanner.nextRaw(values);
if (values.isEmpty()) {
//we are done
boolean moreValues;
do {
moreValues = scanner.nextRaw(values);
} while (values.isEmpty() && moreValues);

if (!moreValues) {
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We will see empty result (values) but still more rows when the scan met RPC timeout value? Will it be possible to have UT here?

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Scan is not an RPC timeout situation. After scannerContext.returnImmediately() is called in storeScanner, it is returned as true by scannerContext.checkTimeLimit(limitScope) in RegionScannerImpl.

https://github.com/apache/hbase/blob/master/hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/RegionScannerImpl.java#L563

return null;
}

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