[tools] select only tablet leader for RWYW

To enable stable read-what-you-write behavior in case of multiple replicas, use LEADER_ONLY selection for scan operations. This is a follow-up for 5385af8. Change-Id: Ied2e7a6b7c31850e585c9d61655429d59c83ba89 Reviewed-on: http://gerrit.cloudera.org:8080/4571 Reviewed-by: David Ribeiro Alves <[email protected]> Tested-by: Alexey Serbin <[email protected]>
cutiechi · Sep 30, 2016 · 4046066 · 4046066
1 parent 70211f8
commit 4046066
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/kudu/tools/tool_action_test.cc b/src/kudu/tools/tool_action_test.cc
@@ -417,6 +417,7 @@ Status CountTableRows(const shared_ptr<KuduClient>& client,
     // NOTE: +1 is due to the current implementation of the scanner.
     RETURN_NOT_OK(scanner.SetSnapshotRaw(snapshot_timestamp + 1));
     RETURN_NOT_OK(scanner.SetReadMode(KuduScanner::READ_AT_SNAPSHOT));
+    RETURN_NOT_OK(scanner.SetSelection(KuduClient::LEADER_ONLY));
     row_count_status = scanner.Open();
     if (!row_count_status.ok()) {
       if (row_count_status.IsTimedOut()) {