| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.hbase.master; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| import java.util.AbstractMap.SimpleImmutableEntry; |
| import java.util.List; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.ColumnFamilyDescriptorBuilder; |
| import org.apache.hadoop.hbase.client.RegionInfo; |
| import org.apache.hadoop.hbase.client.TableDescriptor; |
| import org.apache.hadoop.hbase.client.TableDescriptorBuilder; |
| import org.apache.hadoop.hbase.master.assignment.RegionStates; |
| import org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshot; |
| import org.apache.hadoop.hbase.quotas.SpaceQuotaSnapshot.SpaceQuotaStatus; |
| import org.apache.hadoop.hbase.quotas.SpaceViolationPolicy; |
| import org.apache.hadoop.hbase.testclassification.MasterTests; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.apache.hadoop.hbase.util.PairOfSameType; |
| import org.apache.hadoop.hbase.util.Threads; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Category({MasterTests.class, MediumTests.class}) |
| public class TestMasterMetricsWrapper { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestMasterMetricsWrapper.class); |
| |
| private static final Logger LOG = LoggerFactory.getLogger(TestMasterMetricsWrapper.class); |
| |
| private static final HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility(); |
| private static final int NUM_RS = 4; |
| |
| @BeforeClass |
| public static void setup() throws Exception { |
| TEST_UTIL.startMiniCluster(NUM_RS); |
| } |
| |
| @AfterClass |
| public static void teardown() throws Exception { |
| TEST_UTIL.shutdownMiniCluster(); |
| } |
| |
| @Test |
| public void testInfo() { |
| HMaster master = TEST_UTIL.getHBaseCluster().getMaster(); |
| MetricsMasterWrapperImpl info = new MetricsMasterWrapperImpl(master); |
| assertEquals( |
| master.getRegionNormalizerManager().getSplitPlanCount(), info.getSplitPlanCount(), 0); |
| assertEquals( |
| master.getRegionNormalizerManager().getMergePlanCount(), info.getMergePlanCount(), 0); |
| assertEquals(master.getAverageLoad(), info.getAverageLoad(), 0); |
| assertEquals(master.getClusterId(), info.getClusterId()); |
| assertEquals(master.getMasterActiveTime(), info.getActiveTime()); |
| assertEquals(master.getMasterStartTime(), info.getStartTime()); |
| assertEquals(master.getMasterCoprocessors().length, info.getCoprocessors().length); |
| assertEquals(master.getServerManager().getOnlineServersList().size(), info.getNumRegionServers()); |
| int regionServerCount = NUM_RS; |
| assertEquals(regionServerCount, info.getNumRegionServers()); |
| |
| String zkServers = info.getZookeeperQuorum(); |
| assertEquals(zkServers.split(",").length, TEST_UTIL.getZkCluster().getZooKeeperServerNum()); |
| |
| final int index = 3; |
| LOG.info("Stopping " + TEST_UTIL.getMiniHBaseCluster().getRegionServer(index)); |
| TEST_UTIL.getMiniHBaseCluster().stopRegionServer(index, false); |
| TEST_UTIL.getMiniHBaseCluster().waitOnRegionServer(index); |
| // We stopped the regionserver but could take a while for the master to notice it so hang here |
| // until it does... then move forward to see if metrics wrapper notices. |
| while (TEST_UTIL.getHBaseCluster().getMaster().getServerManager().getOnlineServers().size() == |
| regionServerCount ) { |
| Threads.sleep(10); |
| } |
| assertEquals(regionServerCount - 1, info.getNumRegionServers()); |
| assertEquals(1, info.getNumDeadRegionServers()); |
| // now we do not expose this information as WALProcedureStore is not the only ProcedureStore |
| // implementation any more. |
| assertEquals(0, info.getNumWALFiles()); |
| } |
| |
| @Test |
| public void testQuotaSnapshotConversion() { |
| MetricsMasterWrapperImpl info = new MetricsMasterWrapperImpl( |
| TEST_UTIL.getHBaseCluster().getMaster()); |
| assertEquals(new SimpleImmutableEntry<Long,Long>(1024L, 2048L), |
| info.convertSnapshot(new SpaceQuotaSnapshot( |
| SpaceQuotaStatus.notInViolation(), 1024L, 2048L))); |
| assertEquals(new SimpleImmutableEntry<Long,Long>(4096L, 2048L), |
| info.convertSnapshot(new SpaceQuotaSnapshot( |
| new SpaceQuotaStatus(SpaceViolationPolicy.NO_INSERTS), 4096L, 2048L))); |
| } |
| |
| /** |
| * tests online and offline region number |
| */ |
| @Test |
| public void testOfflineRegion() throws Exception { |
| HMaster master = TEST_UTIL.getHBaseCluster().getMaster(); |
| MetricsMasterWrapperImpl info = new MetricsMasterWrapperImpl(master); |
| TableName table = TableName.valueOf("testRegionNumber"); |
| try { |
| RegionInfo hri; |
| byte[] FAMILY = Bytes.toBytes("FAMILY"); |
| TableDescriptor tableDescriptor = TableDescriptorBuilder.newBuilder(table) |
| .setColumnFamily(ColumnFamilyDescriptorBuilder.of(FAMILY)).build(); |
| TEST_UTIL.getAdmin().createTable(tableDescriptor, Bytes.toBytes("A"), |
| Bytes.toBytes("Z"), 5); |
| |
| // wait till the table is assigned |
| long timeoutTime = System.currentTimeMillis() + 1000; |
| while (true) { |
| List<RegionInfo> regions = master.getAssignmentManager(). |
| getRegionStates().getRegionsOfTable(table); |
| if (regions.size() > 3) { |
| hri = regions.get(2); |
| break; |
| } |
| long now = System.currentTimeMillis(); |
| if (now > timeoutTime) { |
| fail("Could not find an online region"); |
| } |
| Thread.sleep(10); |
| } |
| |
| PairOfSameType<Integer> regionNumberPair = info.getRegionCounts(); |
| assertEquals(5, regionNumberPair.getFirst().intValue()); |
| assertEquals(0, regionNumberPair.getSecond().intValue()); |
| |
| TEST_UTIL.getAdmin().offline(hri.getRegionName()); |
| |
| timeoutTime = System.currentTimeMillis() + 800; |
| RegionStates regionStates = master.getAssignmentManager().getRegionStates(); |
| while (true) { |
| if (regionStates.getRegionByStateOfTable(table) |
| .get(RegionState.State.OFFLINE).contains(hri)) { |
| break; |
| } |
| long now = System.currentTimeMillis(); |
| if (now > timeoutTime) { |
| fail("Failed to offline the region in time"); |
| break; |
| } |
| Thread.sleep(10); |
| } |
| regionNumberPair = info.getRegionCounts(); |
| assertEquals(4, regionNumberPair.getFirst().intValue()); |
| assertEquals(1, regionNumberPair.getSecond().intValue()); |
| } finally { |
| TEST_UTIL.deleteTable(table); |
| } |
| } |
| } |