HBASE-19056 TestCompactionInDeadRegionServer is top of the flakies charts!
Signed-off-by: zhangduo <zhangduo@apache.org>
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7a5b078306
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@ -2510,6 +2510,21 @@ public class HBaseTestingUtility extends HBaseCommonTestingUtility {
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return rows;
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}
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/*
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* Find any other region server which is different from the one identified by parameter
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* @param rs
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* @return another region server
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*/
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public HRegionServer getOtherRegionServer(HRegionServer rs) {
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for (JVMClusterUtil.RegionServerThread rst :
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getMiniHBaseCluster().getRegionServerThreads()) {
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if (!(rst.getRegionServer() == rs)) {
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return rst.getRegionServer();
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}
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}
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return null;
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}
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/**
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* Tool to get the reference to the region server object that holds the
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* region of the specified user table.
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@ -24,6 +24,8 @@ import java.io.IOException;
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import java.util.Arrays;
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import java.util.List;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.hbase.HBaseTestingUtility;
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import org.apache.hadoop.hbase.HConstants;
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@ -59,6 +61,7 @@ import org.junit.runners.Parameterized.Parameters;
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@RunWith(Parameterized.class)
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@Category({ RegionServerTests.class, LargeTests.class })
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public class TestCompactionInDeadRegionServer {
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private static final Log LOG = LogFactory.getLog(TestCompactionInDeadRegionServer.class);
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private static final HBaseTestingUtility UTIL = new HBaseTestingUtility();
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@ -91,7 +94,7 @@ public class TestCompactionInDeadRegionServer {
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@Parameters(name = "{index}: wal={0}")
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public static List<Object[]> params() {
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return Arrays.asList(new Object[] { FSHLogProvider.class },
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new Object[] { AsyncFSWALProvider.class });
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new Object[] { AsyncFSWALProvider.class });
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}
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@Before
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@ -119,12 +122,27 @@ public class TestCompactionInDeadRegionServer {
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@Test
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public void test() throws Exception {
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HRegionServer regionSvr = UTIL.getRSForFirstRegionInTable(TABLE_NAME);
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HRegion region = regionSvr.getRegions(TABLE_NAME).get(0);
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String regName = region.getRegionInfo().getEncodedName();
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List<HRegion> metaRegs = regionSvr.getRegions(TableName.META_TABLE_NAME);
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if (metaRegs != null && !metaRegs.isEmpty()) {
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LOG.info("meta is on the same server: " + regionSvr);
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// when region is on same server as hbase:meta, reassigning meta would abort the server
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// since WAL is broken.
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// so the region is moved to a different server
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HRegionServer otherRs = UTIL.getOtherRegionServer(regionSvr);
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UTIL.moveRegionAndWait(region.getRegionInfo(), otherRs.getServerName());
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LOG.info("Moved region: " + regName + " to " + otherRs.getServerName());
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}
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HRegionServer rsToSuspend = UTIL.getRSForFirstRegionInTable(TABLE_NAME);
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HRegion region = (HRegion) rsToSuspend.getRegions(TABLE_NAME).get(0);
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region = rsToSuspend.getRegions(TABLE_NAME).get(0);
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ZKWatcher watcher = UTIL.getZooKeeperWatcher();
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watcher.getRecoverableZooKeeper().delete(
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ZNodePaths.joinZNode(watcher.getZNodePaths().rsZNode, rsToSuspend.getServerName().toString()),
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-1);
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LOG.info("suspending " + rsToSuspend);
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UTIL.waitFor(60000, 1000, new ExplainingPredicate<Exception>() {
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@Override
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@ -148,7 +166,7 @@ public class TestCompactionInDeadRegionServer {
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fail("Should fail as our wal file has already been closed, " +
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"and walDir has also been renamed");
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} catch (Exception e) {
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// expected
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LOG.debug("expected exception: ", e);
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}
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Table table = UTIL.getConnection().getTable(TABLE_NAME);
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// should not hit FNFE
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