eagle-core/eagle-query/eagle-entity-base/src/test/java/org/apache/eagle/log/entity/TestHBaseWritePerformance.java

/*
 * 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.eagle.log.entity;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.apache.eagle.common.config.EagleConfigFactory;
import org.apache.hadoop.hbase.client.HTableInterface;
import org.apache.hadoop.hbase.client.Put;
import org.junit.Test;

public class TestHBaseWritePerformance {

    public static void main(String[] args) throws IOException {

        HTableInterface tbl = EagleConfigFactory.load().getHTable("unittest");

        int putSize = 1000;
        List<Put> list = new ArrayList<Put>(putSize);
        for (int i = 0; i < putSize; ++i) {
            byte[] v = Integer.toString(i).getBytes();
            Put p = new Put(v);
            p.add("f".getBytes(), "a".getBytes(), 100, v);
            list.add(p);
        }

        // Case 1
        System.out.println("Case 1: autoflush = true, individual put");
        tbl.setAutoFlush(true);
        long startTime = System.currentTimeMillis();
        for (int i = 0; i < 1; ++i) {
            for (Put p : list) {
                tbl.put(p);
            }
            tbl.flushCommits();
        }
        long endTime = System.currentTimeMillis();
        System.out.println("Case 1: " + (endTime - startTime) + " ms");

        // Case 2
        System.out.println("Case 2: autoflush = true, multi-put");
        tbl.setAutoFlush(true);
        startTime = System.currentTimeMillis();
        for (int i = 0; i < 1; ++i) {
            tbl.put(list);
            tbl.flushCommits();
        }
        endTime = System.currentTimeMillis();
        System.out.println("Case 2: " + (endTime - startTime) + " ms");

        // Case 3
        System.out.println("Case 3: autoflush = false, multi-put");
        tbl.setAutoFlush(false);
        startTime = System.currentTimeMillis();
        for (int i = 0; i < 1; ++i) {
            tbl.put(list);
            tbl.flushCommits();
        }
        endTime = System.currentTimeMillis();
        System.out.println("Case 3: " + (endTime - startTime) + " ms");

        // Case 4
        System.out.println("Case 4: autoflush = false, individual put");
        tbl.setAutoFlush(true);
        startTime = System.currentTimeMillis();
        for (int i = 0; i < 1; ++i) {
            for (Put p : list) {
                tbl.put(p);
            }
            tbl.flushCommits();
        }
        endTime = System.currentTimeMillis();
        System.out.println("Case 4: " + (endTime - startTime) + " ms");

    }

    @Test
    public void test() {

    }
}