huaxiangsun commented on a change in pull request #2640:
URL: https://github.com/apache/hbase/pull/2640#discussion_r520937824
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File path:
hbase-client/src/main/java/org/apache/hadoop/hbase/client/ReversedClientScanner.java
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@@ -64,7 +64,9 @@ protected boolean setNewStartKey() {
@Override
protected ReversedScannerCallable createScannerCallable() {
+ // In case of meta, we want to support scan over a replica region.
+ int replicaId = (scan.getConsistency() == Consistency.TIMELINE) ?
scan.getReplicaId() : 0;
Review comment:
For testing failures, it is my misunderstanding of the default
targetReplicaId is 0 (actually it is -1). Introduce a utility method to
differentiate the case for scan over a specific replica region in TIMELINE mode.
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