HBASE-9121 Update HTrace to 2.00 and add new example usage. -- Part2
git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1514094 13f79535-47bb-0310-9956-ffa450edef68
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hbase.trace;
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import org.apache.commons.cli.CommandLine;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.conf.Configuration;
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import org.apache.hadoop.hbase.HBaseConfiguration;
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import org.apache.hadoop.hbase.IntegrationTestingUtility;
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import org.apache.hadoop.hbase.IntegrationTests;
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import org.apache.hadoop.hbase.client.Get;
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import org.apache.hadoop.hbase.client.HBaseAdmin;
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import org.apache.hadoop.hbase.client.HTable;
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import org.apache.hadoop.hbase.client.Put;
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import org.apache.hadoop.hbase.client.Result;
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import org.apache.hadoop.hbase.client.ResultScanner;
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import org.apache.hadoop.hbase.client.Scan;
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import org.apache.hadoop.hbase.util.AbstractHBaseTool;
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import org.apache.hadoop.hbase.util.Bytes;
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import org.apache.hadoop.util.ToolRunner;
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import org.cloudera.htrace.Sampler;
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import org.cloudera.htrace.Span;
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import org.cloudera.htrace.Trace;
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import org.cloudera.htrace.TraceScope;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.experimental.categories.Category;
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import java.io.IOException;
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import java.util.Random;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.LinkedBlockingQueue;
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import java.util.concurrent.TimeUnit;
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@Category(IntegrationTests.class)
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public class IntegrationTestSendTraceRequests extends AbstractHBaseTool {
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public static final String TABLE_ARG = "t";
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public static final String CF_ARG = "f";
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public static final String TABLE_NAME_DEFAULT = "SendTracesTable";
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public static final String COLUMN_FAMILY_DEFAULT = "D";
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private String tableName = TABLE_NAME_DEFAULT;
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private String familyName = COLUMN_FAMILY_DEFAULT;
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private IntegrationTestingUtility util;
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private Random random = new Random();
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private HBaseAdmin admin;
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private SpanReceiverHost receiverHost;
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public static void main(String[] args) throws Exception {
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Configuration configuration = HBaseConfiguration.create();
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IntegrationTestingUtility.setUseDistributedCluster(configuration);
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IntegrationTestSendTraceRequests tool = new IntegrationTestSendTraceRequests();
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ToolRunner.run(configuration, tool, args);
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}
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@Override
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protected void addOptions() {
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addOptWithArg(TABLE_ARG, "The table name to target. Will be created if not there already.");
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addOptWithArg(TABLE_ARG, "The family to target");
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}
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@Override
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public void processOptions(CommandLine cmd) {
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String tableNameString = cmd.getOptionValue(TABLE_ARG, TABLE_NAME_DEFAULT);
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String familyString = cmd.getOptionValue(CF_ARG, COLUMN_FAMILY_DEFAULT);
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this.tableName = tableNameString;
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this.familyName = familyString;
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}
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@Override
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public int doWork() throws Exception {
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internalDoWork();
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return 0;
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}
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@Test
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public void internalDoWork() throws Exception {
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util = createUtil();
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admin = util.getHBaseAdmin();
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setupReceiver();
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deleteTable();
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createTable();
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LinkedBlockingQueue<Long> rks = insertData();
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ExecutorService service = Executors.newFixedThreadPool(20);
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doScans(service, rks);
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doGets(service, rks);
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service.shutdown();
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service.awaitTermination(100, TimeUnit.SECONDS);
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Thread.sleep(90000);
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receiverHost.closeReceivers();
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util.restoreCluster();
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util = null;
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}
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private void doScans(ExecutorService service, final LinkedBlockingQueue<Long> rks) {
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for (int i = 0; i < 100; i++) {
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Runnable runnable = new Runnable() {
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private TraceScope innerScope = null;
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private final LinkedBlockingQueue<Long> rowKeyQueue = rks;
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@Override
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public void run() {
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ResultScanner rs = null;
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try {
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innerScope = Trace.startSpan("Scan", Sampler.ALWAYS);
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HTable ht = new HTable(util.getConfiguration(), tableName);
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Scan s = new Scan();
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s.setStartRow(Bytes.toBytes(rowKeyQueue.take()));
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s.setBatch(7);
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rs = ht.getScanner(s);
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// Something to keep the jvm from removing the loop.
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long accum = 0;
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for(int x = 0; x < 1000; x++) {
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Result r = rs.next();
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accum |= Bytes.toLong(r.getRow());
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}
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innerScope.getSpan().addTimelineAnnotation("Accum result = " + accum);
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ht.close();
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ht = null;
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} catch (IOException e) {
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e.printStackTrace();
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innerScope.getSpan().addKVAnnotation(
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Bytes.toBytes("exception"),
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Bytes.toBytes(e.getClass().getSimpleName()));
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} catch (Exception e) {
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} finally {
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if (innerScope != null) innerScope.close();
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if (rs != null) rs.close();
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}
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}
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};
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service.submit(runnable);
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}
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}
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private void doGets(ExecutorService service, final LinkedBlockingQueue<Long> rowKeys)
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throws IOException {
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for (int i = 0; i < 100; i++) {
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Runnable runnable = new Runnable() {
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private TraceScope innerScope = null;
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private final LinkedBlockingQueue<Long> rowKeyQueue = rowKeys;
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@Override
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public void run() {
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HTable ht = null;
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try {
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ht = new HTable(util.getConfiguration(), tableName);
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} catch (IOException e) {
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e.printStackTrace();
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}
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long accum = 0;
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for (int x = 0; x < 5; x++) {
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try {
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innerScope = Trace.startSpan("gets", Sampler.ALWAYS);
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long rk = rowKeyQueue.take();
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Result r1 = ht.get(new Get(Bytes.toBytes(rk)));
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if (r1 != null) {
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accum |= Bytes.toLong(r1.getRow());
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}
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Result r2 = ht.get(new Get(Bytes.toBytes(rk)));
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if (r2 != null) {
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accum |= Bytes.toLong(r2.getRow());
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}
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innerScope.getSpan().addTimelineAnnotation("Accum = " + accum);
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} catch (IOException e) {
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// IGNORED
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} catch (InterruptedException ie) {
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// IGNORED
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} finally {
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if (innerScope != null) innerScope.close();
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}
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}
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}
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};
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service.submit(runnable);
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}
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}
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private void createTable() throws IOException {
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TraceScope createScope = null;
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try {
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createScope = Trace.startSpan("createTable", Sampler.ALWAYS);
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util.createTable(tableName, familyName);
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} finally {
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if (createScope != null) createScope.close();
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}
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}
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private void deleteTable() throws IOException {
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TraceScope deleteScope = null;
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try {
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if (admin.tableExists(tableName)) {
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deleteScope = Trace.startSpan("deleteTable", Sampler.ALWAYS);
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util.deleteTable(tableName);
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}
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} finally {
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if (deleteScope != null) deleteScope.close();
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}
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}
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private LinkedBlockingQueue<Long> insertData() throws IOException, InterruptedException {
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LinkedBlockingQueue<Long> rowKeys = new LinkedBlockingQueue<Long>(25000);
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HTable ht = new HTable(util.getConfiguration(), this.tableName);
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byte[] value = new byte[300];
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for (int x = 0; x < 5000; x++) {
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TraceScope traceScope = Trace.startSpan("insertData", Sampler.ALWAYS);
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try {
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ht.setAutoFlush(false);
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for (int i = 0; i < 5; i++) {
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long rk = random.nextLong();
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rowKeys.add(rk);
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Put p = new Put(Bytes.toBytes(rk));
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for (int y = 0; y < 10; y++) {
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random.nextBytes(value);
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p.add(Bytes.toBytes(familyName),
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Bytes.toBytes(random.nextLong()),
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value);
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}
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ht.put(p);
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}
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if ((x % 1000) == 0) {
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admin.flush(Bytes.toBytes(tableName));
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}
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} finally {
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traceScope.close();
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}
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}
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admin.flush(Bytes.toBytes(tableName));
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return rowKeys;
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}
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private IntegrationTestingUtility createUtil() throws Exception {
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Configuration conf = getConf();
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if (this.util == null) {
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IntegrationTestingUtility u;
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if (conf == null) {
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u = new IntegrationTestingUtility();
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} else {
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u = new IntegrationTestingUtility(conf);
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}
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util = u;
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util.initializeCluster(1);
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}
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return this.util;
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}
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private void setupReceiver() {
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Configuration conf = new Configuration(util.getConfiguration());
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conf.setBoolean("hbase.zipkin.is-in-client-mode", true);
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this.receiverHost = SpanReceiverHost.getInstance(conf);
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}
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}
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@ -0,0 +1,30 @@
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package org.apache.hadoop.hbase.trace;
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import org.apache.hadoop.conf.Configuration;
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import org.cloudera.htrace.HTraceConfiguration;
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public class HBaseHTraceConfiguration extends HTraceConfiguration {
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public static final String KEY_PREFIX = "hbase.";
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private Configuration conf;
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public HBaseHTraceConfiguration(Configuration conf) {
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this.conf = conf;
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}
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@Override
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public String get(String key) {
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return conf.get(KEY_PREFIX +key);
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}
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@Override
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public String get(String key, String defaultValue) {
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return conf.get(KEY_PREFIX + key,defaultValue);
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}
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@Override
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public boolean getBoolean(String key, boolean defaultValue) {
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return conf.getBoolean(KEY_PREFIX + key, defaultValue);
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}
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}
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/**
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hadoop.hbase.trace;
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import java.io.IOException;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hadoop.conf.Configurable;
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import org.apache.hadoop.conf.Configuration;
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import org.cloudera.htrace.Span;
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import org.cloudera.htrace.SpanReceiver;
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import org.cloudera.htrace.Trace;
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import org.cloudera.htrace.impl.LocalFileSpanReceiver;
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/**
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* Wraps the LocalFileSpanReceiver provided in
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* org.cloudera.htrace.impl.LocalFileSpanReceiver to read the file name
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* destination for spans from hbase-site.xml.
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*
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* The file path should be added as a property with name
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* "hbase.trace.spanreceiver.localfilespanreceiver.filename".
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*/
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public class HBaseLocalFileSpanReceiver implements SpanReceiver, Configurable {
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public static final Log LOG = LogFactory
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.getLog(HBaseLocalFileSpanReceiver.class);
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public static final String FILE_NAME_CONF_KEY = "hbase.trace.spanreceiver.localfilespanreceiver.filename";
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private Configuration conf;
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private LocalFileSpanReceiver rcvr;
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@Override
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public Configuration getConf() {
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return conf;
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}
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@Override
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public void setConf(Configuration arg0) {
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this.conf = arg0;
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// replace rcvr if it was already created
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if (rcvr != null) {
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try {
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rcvr.close();
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} catch (IOException e) {
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LOG.warn("Error closing LocalFileSpanReceiver.", e);
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}
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}
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try {
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rcvr = new LocalFileSpanReceiver(conf.get(FILE_NAME_CONF_KEY));
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} catch (IOException e) {
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Trace.removeReceiver(this);
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rcvr = null;
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LOG.warn(
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"Unable to initialize LocalFileSpanReceiver, removing owner (HBaseLocalFileSpanReceiver) from receiver list.",
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e);
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}
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}
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@Override
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public void close() throws IOException {
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try{
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if (rcvr != null) {
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rcvr.close();
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}
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} finally {
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rcvr = null;
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}
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}
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@Override
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public void receiveSpan(Span span) {
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if (rcvr != null) {
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rcvr.receiveSpan(span);
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}
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}
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}
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