| /** |
| * 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 org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.CompatibilityFactory; |
| import org.apache.hadoop.hbase.HBaseTestingUtility; |
| import org.apache.hadoop.hbase.HConstants; |
| import org.apache.hadoop.hbase.HColumnDescriptor; |
| import org.apache.hadoop.hbase.HTableDescriptor; |
| import org.apache.hadoop.hbase.MiniHBaseCluster; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.client.Put; |
| import org.apache.hadoop.hbase.client.Table; |
| import org.apache.hadoop.hbase.test.MetricsAssertHelper; |
| import org.apache.hadoop.hbase.testclassification.MediumTests; |
| import org.apache.hadoop.hbase.util.Bytes; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| |
| @Category(MediumTests.class) |
| public class TestAssignmentManagerMetrics { |
| |
| private static final Log LOG = LogFactory.getLog(TestAssignmentManagerMetrics.class); |
| private static final MetricsAssertHelper metricsHelper = CompatibilityFactory |
| .getInstance(MetricsAssertHelper.class); |
| |
| private static MiniHBaseCluster cluster; |
| private static HMaster master; |
| private static HBaseTestingUtility TEST_UTIL; |
| private static Configuration conf; |
| private static final int msgInterval = 1000; |
| |
| @BeforeClass |
| public static void startCluster() throws Exception { |
| LOG.info("Starting cluster"); |
| TEST_UTIL = new HBaseTestingUtility(); |
| conf = TEST_UTIL.getConfiguration(); |
| |
| // Disable sanity check for coprocessor |
| conf.setBoolean("hbase.table.sanity.checks", false); |
| |
| // set RIT stuck warning threshold to a small value |
| conf.setInt(HConstants.METRICS_RIT_STUCK_WARNING_THRESHOLD, 20); |
| |
| // set msgInterval to 1 second |
| conf.setInt("hbase.regionserver.msginterval", msgInterval); |
| |
| // set tablesOnMaster to none |
| conf.set("hbase.balancer.tablesOnMaster", "none"); |
| |
| TEST_UTIL.startMiniCluster(1); |
| cluster = TEST_UTIL.getHBaseCluster(); |
| master = cluster.getMaster(); |
| } |
| |
| @AfterClass |
| public static void after() throws Exception { |
| if (TEST_UTIL != null) { |
| TEST_UTIL.shutdownMiniCluster(); |
| } |
| } |
| |
| @Test |
| public void testRITAssignmentManagerMetrics() throws Exception { |
| |
| final TableName TABLENAME = TableName.valueOf("testRITMetrics"); |
| final byte[] FAMILY = Bytes.toBytes("family"); |
| |
| Table table = null; |
| try { |
| table = TEST_UTIL.createTable(TABLENAME, FAMILY); |
| |
| final byte[] row = Bytes.toBytes("row"); |
| final byte[] qualifier = Bytes.toBytes("qualifier"); |
| final byte[] value = Bytes.toBytes("value"); |
| |
| Put put = new Put(row); |
| put.addColumn(FAMILY, qualifier, value); |
| table.put(put); |
| |
| // Sleep 3 seconds, wait for doMetrics chore catching up |
| Thread.sleep(msgInterval * 3); |
| |
| // check the RIT is 0 |
| MetricsAssignmentManagerSource amSource = |
| master.getAssignmentManager().getAssignmentManagerMetrics().getMetricsProcSource(); |
| |
| metricsHelper.assertGauge(MetricsAssignmentManagerSource.RIT_COUNT_NAME, 0, amSource); |
| metricsHelper.assertGauge(MetricsAssignmentManagerSource.RIT_COUNT_OVER_THRESHOLD_NAME, 0, |
| amSource); |
| |
| // alter table with a non-existing coprocessor |
| HTableDescriptor htd = new HTableDescriptor(TABLENAME); |
| HColumnDescriptor hcd = new HColumnDescriptor(FAMILY); |
| |
| htd.addFamily(hcd); |
| |
| String spec = "hdfs:///foo.jar|com.foo.FooRegionObserver|1001|arg1=1,arg2=2"; |
| htd.addCoprocessorWithSpec(spec); |
| |
| TEST_UTIL.getHBaseAdmin().modifyTable(TABLENAME, htd); |
| |
| // Sleep 3 seconds, wait for doMetrics chore catching up |
| Thread.sleep(msgInterval * 3); |
| metricsHelper.assertGauge(MetricsAssignmentManagerSource.RIT_COUNT_NAME, 1, amSource); |
| metricsHelper.assertGauge(MetricsAssignmentManagerSource.RIT_COUNT_OVER_THRESHOLD_NAME, 1, |
| amSource); |
| |
| } finally { |
| if (table != null) { |
| table.close(); |
| } |
| } |
| } |
| } |