/**
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.hive.ql.hooks;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.nullValue;
import static org.junit.Assert.assertThat;
import com.codahale.metrics.Counter;
import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.Timer;
import org.apache.hadoop.fs.CommonConfigurationKeysPublic;
import org.apache.hadoop.hive.common.metrics.common.MetricsConstant;
import org.apache.hadoop.hive.common.metrics.common.MetricsFactory;
import org.apache.hadoop.hive.common.metrics.metrics2.CodahaleMetrics;
import org.apache.hadoop.hive.common.metrics.metrics2.MetricsReporting;
import org.apache.hadoop.hive.conf.HiveConf;
import org.junit.Before;
import org.junit.Test;
public class TestMetricsQueryLifeTimeHook {
private MetricsQueryLifeTimeHook hook;
private QueryLifeTimeHookContext ctx;
private MetricRegistry metricRegistry;
@Before
public void before() throws Exception {
HiveConf conf = new HiveConf();
conf.set(CommonConfigurationKeysPublic.FS_DEFAULT_NAME_KEY, "local");
conf.setVar(HiveConf.ConfVars.HIVE_METRICS_CLASS, CodahaleMetrics.class.getCanonicalName());
conf.setVar(HiveConf.ConfVars.HIVE_METRICS_REPORTER, MetricsReporting.JSON_FILE.name()
+ "," + MetricsReporting.JMX.name());
conf.setVar(HiveConf.ConfVars.HIVE_METRICS_JSON_FILE_INTERVAL, "100000s");
MetricsFactory.init(conf);
metricRegistry = ((CodahaleMetrics) MetricsFactory.getInstance()).getMetricRegistry();
hook = new MetricsQueryLifeTimeHook();
ctx = new QueryLifeTimeHookContextImpl();
}
@Test
public void testCompilationQueryMetric() {
Timer timer = metricRegistry.getTimers().get(MetricsConstant.HS2_COMPILING_QUERIES);
Counter counter = metricRegistry.getCounters()
.get(MetricsConstant.ACTIVE_CALLS + MetricsConstant.HS2_COMPILING_QUERIES);
assertThat(timer, nullValue());
assertThat(counter, nullValue());
hook.beforeCompile(ctx);
timer = metricRegistry.getTimers().get(MetricsConstant.HS2_COMPILING_QUERIES);
counter = metricRegistry.getCounters()
.get(MetricsConstant.ACTIVE_CALLS + MetricsConstant.HS2_COMPILING_QUERIES);
assertThat(timer.getCount(), equalTo(0l));
assertThat(counter.getCount(), equalTo(1l));
hook.afterCompile(ctx, false);
timer = metricRegistry.getTimers().get(MetricsConstant.HS2_COMPILING_QUERIES);
counter = metricRegistry.getCounters()
.get(MetricsConstant.ACTIVE_CALLS + MetricsConstant.HS2_COMPILING_QUERIES);
assertThat(timer.getCount(), equalTo(1l));
assertThat(counter.getCount(), equalTo(0l));
}
@Test
public void testExecutionQueryMetric() {
Timer timer = metricRegistry.getTimers().get(MetricsConstant.HS2_EXECUTING_QUERIES);
Counter counter = metricRegistry.getCounters()
.get(MetricsConstant.ACTIVE_CALLS + MetricsConstant.HS2_EXECUTING_QUERIES);
assertThat(timer, nullValue());
assertThat(counter, nullValue());
hook.beforeExecution(ctx);
timer = metricRegistry.getTimers().get(MetricsConstant.HS2_EXECUTING_QUERIES);
counter = metricRegistry.getCounters()
.get(MetricsConstant.ACTIVE_CALLS + MetricsConstant.HS2_EXECUTING_QUERIES);
assertThat(timer.getCount(), equalTo(0l));
assertThat(counter.getCount(), equalTo(1l));
hook.afterExecution(ctx, false);
timer = metricRegistry.getTimers().get(MetricsConstant.HS2_EXECUTING_QUERIES);
counter = metricRegistry.getCounters()
.get(MetricsConstant.ACTIVE_CALLS + MetricsConstant.HS2_EXECUTING_QUERIES);
assertThat(timer.getCount(), equalTo(1l));
assertThat(counter.getCount(), equalTo(0l));
}
@Test
public void testNoErrorOnDisabledMetrics() throws Exception {
MetricsFactory.close();
MetricsQueryLifeTimeHook emptyhook = new MetricsQueryLifeTimeHook();
assertThat(MetricsFactory.getInstance(), nullValue());
emptyhook.beforeCompile(ctx);
emptyhook.afterCompile(ctx, false);
emptyhook.beforeExecution(ctx);
emptyhook.afterExecution(ctx, false);
}
}