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HBASE-13590 TestEnableTableHandler.testEnableTableWithNoRegionServers is flakey (Yu Li)

This commit is contained in:
stack 2016-01-14 11:15:23 -08:00
parent 3c2229a9a8
commit b753226e72
1 changed files with 29 additions and 7 deletions
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36
hbase-server/src/test/java/org/apache/hadoop/hbase/master/handler/TestEnableTableHandler.java
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@ -20,8 +20,12 @@ package org.apache.hadoop.hbase.master.handler;
import java.io.IOException;
import java.util.concurrent.CountDownLatch;
import java.util.ArrayList;
import java.util.List;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.hadoop.hbase.HConstants;
@ -100,24 +104,42 @@ public class TestEnableTableHandler {
cluster.waitForRegionServerToStop(rs.getRegionServer().getServerName(), 10000);
TEST_UTIL.waitUntilAllRegionsAssigned(TableName.META_TABLE_NAME);
LOG.debug("Now enabling table " + tableName);
admin.enableTable(tableName);
assertTrue(admin.isTableEnabled(tableName));
JVMClusterUtil.RegionServerThread rs2 = cluster.startRegionServer();
LOG.info("Started new regionserver " + rs2.getRegionServer().getServerName());
m.getAssignmentManager().assign(admin.getTableRegions(tableName));
cluster.waitForRegionServerToStart(rs2.getRegionServer().getServerName().getHostname(),
rs2.getRegionServer().getServerName().getPort(), 60000);
// This second region assign action seems to be useless since design of
// this case is to make sure that table enabled when no RS up could get
// assigned after RS come back
List<HRegionInfo> regions = TEST_UTIL.getHBaseAdmin().getTableRegions(tableName);
assertEquals(1, regions.size());
for (HRegionInfo region : regions) {
TEST_UTIL.getHBaseAdmin().assign(region.getEncodedNameAsBytes());
}
LOG.debug("Waiting for table assigned " + tableName);
TEST_UTIL.waitUntilAllRegionsAssigned(tableName);
List<HRegionInfo> onlineRegions = admin.getOnlineRegions(
rs2.getRegionServer().getServerName());
for (HRegionInfo hri: onlineRegions) LOG.info("Online " + hri);
assertTrue("Does not have at least one region " + onlineRegions.size(),
onlineRegions.size() >= 1);
// Disabling this assert. Saw this which seems legit:
// TestEnableTableHandler.testEnableTableWithNoRegionServers:115
// expected:<testEnableTableWithNoRegionServers> but was:<hbase:namespace>
// assertEquals(tableName, onlineRegions.get(0).getTable());
ArrayList<HRegionInfo> tableRegions = filterTableRegions(tableName, onlineRegions);
assertEquals(1, tableRegions.size());
}
private ArrayList<HRegionInfo> filterTableRegions(final TableName tableName,
List<HRegionInfo> onlineRegions) {
return Lists.newArrayList(Iterables.filter(onlineRegions, new Predicate<HRegionInfo>() {
@Override
public boolean apply(HRegionInfo input) {
return input.getTable().equals(tableName);
}
}));
}
@Test(timeout = 300000)
public void testDisableTableAndRestart() throws Exception {