HBASE-27720 TestClusterRestartFailover is flakey due to metrics assertion (#5110)
Signed-off-by: Duo Zhang <zhangduo@apache.org>
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@ -141,6 +141,12 @@ public class TestClusterRestartFailover extends AbstractTestRestartCluster {
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LOG.info("Setup cluster");
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UTIL.startMiniCluster(StartTestingClusterOption.builder().masterClass(HMasterForTest.class)
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.numMasters(1).numRegionServers(3).build());
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// this test has been flaky. When it is rerun by surefire, the underlying minicluster isn't
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// completely cleaned. specifically, the metrics system isn't reset. The result is an otherwise
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// successful re-run is failed because there's 8 or 12 SCPcounts instead of the 4 that a
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// single run of the test would otherwise produce. Thus, explicitly reset the metrics source
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// each time we setup the cluster.
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UTIL.getMiniHBaseCluster().getMaster().getMasterMetrics().getMetricsSource().init();
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LOG.info("Cluster is up");
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UTIL.waitFor(60000, () -> UTIL.getMiniHBaseCluster().getMaster().isInitialized());
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LOG.info("Master is up");
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