| /** |
| * 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.regionserver; |
| |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.hbase.CompatibilityFactory; |
| import org.apache.hadoop.hbase.CompatibilitySingletonFactory; |
| import org.apache.hadoop.hbase.HBaseClassTestRule; |
| import org.apache.hadoop.hbase.TableName; |
| import org.apache.hadoop.hbase.test.MetricsAssertHelper; |
| import org.apache.hadoop.hbase.testclassification.RegionServerTests; |
| import org.apache.hadoop.hbase.testclassification.SmallTests; |
| import org.junit.ClassRule; |
| import org.junit.Test; |
| import org.junit.experimental.categories.Category; |
| |
| @Category({RegionServerTests.class, SmallTests.class}) |
| public class TestMetricsTableLatencies { |
| |
| @ClassRule |
| public static final HBaseClassTestRule CLASS_RULE = |
| HBaseClassTestRule.forClass(TestMetricsTableLatencies.class); |
| |
| public static MetricsAssertHelper HELPER = |
| CompatibilityFactory.getInstance(MetricsAssertHelper.class); |
| |
| @Test |
| public void testTableWrapperAggregateMetrics() throws IOException { |
| TableName tn1 = TableName.valueOf("table1"); |
| TableName tn2 = TableName.valueOf("table2"); |
| MetricsTableLatencies latencies = CompatibilitySingletonFactory.getInstance( |
| MetricsTableLatencies.class); |
| assertTrue("'latencies' is actually " + latencies.getClass(), |
| latencies instanceof MetricsTableLatenciesImpl); |
| MetricsTableLatenciesImpl latenciesImpl = (MetricsTableLatenciesImpl) latencies; |
| RegionServerTableMetrics tableMetrics = new RegionServerTableMetrics(false); |
| |
| // Metrics to each table should be disjoint |
| // N.B. each call to assertGauge removes all previously acquired metrics so we have to |
| // make the metrics call and then immediately verify it. Trying to do multiple metrics |
| // updates followed by multiple verifications will fail on the 2nd verification (as the |
| // first verification cleaned the data structures in MetricsAssertHelperImpl). |
| tableMetrics.updateGet(tn1, 500L); |
| HELPER.assertGauge(MetricsTableLatenciesImpl.qualifyMetricsName( |
| tn1, MetricsTableLatencies.GET_TIME + "_" + "999th_percentile"), 500L, latenciesImpl); |
| tableMetrics.updatePut(tn1, 50L); |
| HELPER.assertGauge(MetricsTableLatenciesImpl.qualifyMetricsName( |
| tn1, MetricsTableLatencies.PUT_TIME + "_" + "99th_percentile"), 50L, latenciesImpl); |
| |
| tableMetrics.updateGet(tn2, 300L); |
| HELPER.assertGauge(MetricsTableLatenciesImpl.qualifyMetricsName( |
| tn2, MetricsTableLatencies.GET_TIME + "_" + "999th_percentile"), 300L, latenciesImpl); |
| tableMetrics.updatePut(tn2, 75L); |
| HELPER.assertGauge(MetricsTableLatenciesImpl.qualifyMetricsName( |
| tn2, MetricsTableLatencies.PUT_TIME + "_" + "99th_percentile"), 75L, latenciesImpl); |
| } |
| |
| @Test |
| public void testTableQueryMeterSwitch() { |
| TableName tn1 = TableName.valueOf("table1"); |
| MetricsTableLatencies latencies = CompatibilitySingletonFactory.getInstance( |
| MetricsTableLatencies.class); |
| assertTrue("'latencies' is actually " + latencies.getClass(), |
| latencies instanceof MetricsTableLatenciesImpl); |
| MetricsTableLatenciesImpl latenciesImpl = (MetricsTableLatenciesImpl) latencies; |
| |
| Configuration conf = new Configuration(); |
| boolean enableTableQueryMeter = conf.getBoolean( |
| MetricsRegionServer.RS_ENABLE_TABLE_QUERY_METER_METRICS_KEY, |
| MetricsRegionServer.RS_ENABLE_TABLE_QUERY_METER_METRICS_KEY_DEFAULT); |
| // disable |
| assertFalse(enableTableQueryMeter); |
| RegionServerTableMetrics tableMetrics = new RegionServerTableMetrics(enableTableQueryMeter); |
| tableMetrics.updateTableReadQueryMeter(tn1, 500L); |
| assertFalse(HELPER.checkGaugeExists(MetricsTableLatenciesImpl.qualifyMetricsName( |
| tn1, MetricsTableQueryMeterImpl.TABLE_READ_QUERY_PER_SECOND + "_" + "count"), |
| latenciesImpl)); |
| tableMetrics.updateTableWriteQueryMeter(tn1, 500L); |
| assertFalse(HELPER.checkGaugeExists(MetricsTableLatenciesImpl.qualifyMetricsName( |
| tn1, MetricsTableQueryMeterImpl.TABLE_WRITE_QUERY_PER_SECOND + "_" + "count"), |
| latenciesImpl)); |
| |
| // enable |
| conf.setBoolean(MetricsRegionServer.RS_ENABLE_TABLE_QUERY_METER_METRICS_KEY, true); |
| enableTableQueryMeter = conf.getBoolean( |
| MetricsRegionServer.RS_ENABLE_TABLE_QUERY_METER_METRICS_KEY, |
| MetricsRegionServer.RS_ENABLE_TABLE_QUERY_METER_METRICS_KEY_DEFAULT); |
| assertTrue(enableTableQueryMeter); |
| tableMetrics = new RegionServerTableMetrics(true); |
| tableMetrics.updateTableReadQueryMeter(tn1, 500L); |
| assertTrue(HELPER.checkGaugeExists(MetricsTableLatenciesImpl.qualifyMetricsName( |
| tn1, MetricsTableQueryMeterImpl.TABLE_READ_QUERY_PER_SECOND + "_" + "count"), |
| latenciesImpl)); |
| HELPER.assertGauge(MetricsTableLatenciesImpl.qualifyMetricsName( |
| tn1, MetricsTableQueryMeterImpl.TABLE_READ_QUERY_PER_SECOND + "_" + "count"), |
| 500L, latenciesImpl); |
| tableMetrics.updateTableWriteQueryMeter(tn1, 500L); |
| assertTrue(HELPER.checkGaugeExists(MetricsTableLatenciesImpl.qualifyMetricsName( |
| tn1, MetricsTableQueryMeterImpl.TABLE_WRITE_QUERY_PER_SECOND + "_" + "count"), |
| latenciesImpl)); |
| HELPER.assertGauge(MetricsTableLatenciesImpl.qualifyMetricsName( |
| tn1, MetricsTableQueryMeterImpl.TABLE_WRITE_QUERY_PER_SECOND + "_" + "count"), |
| 500L, latenciesImpl); |
| } |
| } |