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* 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.hive.metastore.hbase;
import org.apache.hadoop.hive.cli.CliSessionState;
import org.apache.hadoop.hive.common.metrics.MetricsTestUtils;
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.apache.hadoop.hive.metastore.HiveMetaStore;
import org.apache.hadoop.hive.metastore.ObjectStore;
import org.apache.hadoop.hive.ql.Driver;
import org.apache.hadoop.hive.ql.session.SessionState;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import java.io.IOException;
/**
* Test HMS Metrics on HBase Metastore
*/
public class TestHBaseMetastoreMetrics extends HBaseIntegrationTests {
@BeforeClass
public static void startup() throws Exception {
HBaseIntegrationTests.startMiniCluster();
}
@AfterClass
public static void shutdown() throws Exception {
HBaseIntegrationTests.shutdownMiniCluster();
}
@Before
public void before() throws IOException {
HBaseReadWrite.setConf(conf);
conf = new HiveConf();
conf.setVar(HiveConf.ConfVars.METASTORE_RAW_STORE_IMPL,
"org.apache.hadoop.hive.metastore.hbase.HBaseStore");
conf.setBoolVar(HiveConf.ConfVars.METASTORE_FASTPATH, true);
conf.setBoolVar(HiveConf.ConfVars.HIVE_SUPPORT_CONCURRENCY, false);
conf.setBoolVar(HiveConf.ConfVars.METASTORE_METRICS, true);
conf.setVar(HiveConf.ConfVars.HIVE_METRICS_REPORTER, MetricsReporting.JSON_FILE.name() + "," + MetricsReporting.JMX.name());
SessionState.start(new CliSessionState(conf));
driver = new Driver(conf);
}
@Test
public void testMetaDataCounts() throws Exception {
//1 databases created
driver.run("create database testdb1");
//4 tables
driver.run("create table testtbl1 (key string)");
driver.run("create table testtblpart (key string) partitioned by (partkey string)");
driver.run("use testdb1");
driver.run("create table testtbl2 (key string)");
driver.run("create table testtblpart2 (key string) partitioned by (partkey string)");
//6 partitions
driver.run("alter table default.testtblpart add partition (partkey='a')");
driver.run("alter table default.testtblpart add partition (partkey='b')");
driver.run("alter table default.testtblpart add partition (partkey='c')");
driver.run("alter table testdb1.testtblpart2 add partition (partkey='a')");
driver.run("alter table testdb1.testtblpart2 add partition (partkey='b')");
driver.run("alter table testdb1.testtblpart2 add partition (partkey='c')");
//create and drop some additional metadata, to test drop counts.
driver.run("create database tempdb");
driver.run("use tempdb");
driver.run("create table delete_by_table (key string) partitioned by (partkey string)");
driver.run("alter table delete_by_table add partition (partkey='temp')");
driver.run("drop table delete_by_table");
driver.run("create table delete_by_part (key string) partitioned by (partkey string)");
driver.run("alter table delete_by_part add partition (partkey='temp')");
driver.run("alter table delete_by_part drop partition (partkey='temp')");
driver.run("create table delete_by_db (key string) partitioned by (partkey string)");
driver.run("alter table delete_by_db add partition (partkey='temp')");
driver.run("use default");
driver.run("drop database tempdb cascade");
CodahaleMetrics metrics = (CodahaleMetrics) MetricsFactory.getInstance();
String json = metrics.dumpJson();
MetricsTestUtils.verifyMetricsJson(json, MetricsTestUtils.COUNTER, MetricsConstant.CREATE_TOTAL_DATABASES, 2);
MetricsTestUtils.verifyMetricsJson(json, MetricsTestUtils.COUNTER, MetricsConstant.CREATE_TOTAL_TABLES, 7);
MetricsTestUtils.verifyMetricsJson(json, MetricsTestUtils.COUNTER, MetricsConstant.CREATE_TOTAL_PARTITIONS, 9);
MetricsTestUtils.verifyMetricsJson(json, MetricsTestUtils.COUNTER, MetricsConstant.DELETE_TOTAL_DATABASES, 1);
MetricsTestUtils.verifyMetricsJson(json, MetricsTestUtils.COUNTER, MetricsConstant.DELETE_TOTAL_TABLES, 3);
MetricsTestUtils.verifyMetricsJson(json, MetricsTestUtils.COUNTER, MetricsConstant.DELETE_TOTAL_PARTITIONS, 3);
//to test initial metadata count metrics.
conf.setVar(HiveConf.ConfVars.METASTORE_RAW_STORE_IMPL, ObjectStore.class.getName());
HiveMetaStore.HMSHandler baseHandler = new HiveMetaStore.HMSHandler("test", conf, false);
baseHandler.init();
baseHandler.updateMetrics();
//1 new db + default
json = metrics.dumpJson();
MetricsTestUtils.verifyMetricsJson(json, MetricsTestUtils.GAUGE, MetricsConstant.INIT_TOTAL_DATABASES, 2);
MetricsTestUtils.verifyMetricsJson(json, MetricsTestUtils.GAUGE, MetricsConstant.INIT_TOTAL_TABLES, 4);
MetricsTestUtils.verifyMetricsJson(json, MetricsTestUtils.GAUGE, MetricsConstant.INIT_TOTAL_PARTITIONS, 6);
}
}