• Hadoop集群基准测试


    hadoop jar ./share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.2.0-tests.jar TestDFSIO -write -nrFiles 10 -size 100MB

    14/07/21 21:29:42 INFO mapreduce.Job: Counters: 45
            File System Counters
                    FILE: Number of bytes read=856
                    FILE: Number of bytes written=872121
                    FILE: Number of read operations=0
                    FILE: Number of large read operations=0
                    FILE: Number of write operations=0
                    HDFS: Number of bytes read=2320
                    HDFS: Number of bytes written=1048576079
                    HDFS: Number of read operations=43
                    HDFS: Number of large read operations=0
                    HDFS: Number of write operations=12
            Job Counters 
                    Killed map tasks=3
                    Launched map tasks=13
                    Launched reduce tasks=1
                    Data-local map tasks=6
                    Rack-local map tasks=7
                    Total time spent by all maps in occupied slots (ms)=1109317
                    Total time spent by all reduces in occupied slots (ms)=91582
            Map-Reduce Framework
                    Map input records=10
                    Map output records=50
                    Map output bytes=750
                    Map output materialized bytes=910
                    Input split bytes=1200
                    Combine input records=0
                    Combine output records=0
                    Reduce input groups=5
                    Reduce shuffle bytes=910
                    Reduce input records=50
                    Reduce output records=5
                    Spilled Records=100
                    Shuffled Maps =10
                    Failed Shuffles=0
                    Merged Map outputs=10
                    GC time elapsed (ms)=7691
                    CPU time spent (ms)=30730
                    Physical memory (bytes) snapshot=2555801600
                    Virtual memory (bytes) snapshot=11073003520
                    Total committed heap usage (bytes)=1874329600
            Shuffle Errors
                    BAD_ID=0
                    CONNECTION=0
                    IO_ERROR=0
                    WRONG_LENGTH=0
                    WRONG_MAP=0
                    WRONG_REDUCE=0
            File Input Format Counters 
                    Bytes Read=1120
            File Output Format Counters 
                    Bytes Written=79
    14/07/21 21:29:42 INFO fs.TestDFSIO: ----- TestDFSIO ----- : write
    14/07/21 21:29:42 INFO fs.TestDFSIO:            Date & time: Mon Jul 21 21:29:42 CST 2014
    14/07/21 21:29:42 INFO fs.TestDFSIO:        Number of files: 10
    14/07/21 21:29:42 INFO fs.TestDFSIO: Total MBytes processed: 1000.0
    14/07/21 21:29:42 INFO fs.TestDFSIO:      Throughput mb/sec: 3.403479036270876
    14/07/21 21:29:42 INFO fs.TestDFSIO: Average IO rate mb/sec: 4.484561443328857
    14/07/21 21:29:42 INFO fs.TestDFSIO:  IO rate std deviation: 1.7674698292439088
    14/07/21 21:29:42 INFO fs.TestDFSIO:     Test exec time sec: 190.944
    

    hadoop jar ./share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.2.0-tests.jar TestDFSIO -write -nrFiles 10 -size 1GB

    14/07/21 22:09:57 INFO mapreduce.Job: Counters: 47
            File System Counters
                    FILE: Number of bytes read=875
                    FILE: Number of bytes written=872159
                    FILE: Number of read operations=0
                    FILE: Number of large read operations=0
                    FILE: Number of write operations=0
                    HDFS: Number of bytes read=2320
                    HDFS: Number of bytes written=10737418320
                    HDFS: Number of read operations=43
                    HDFS: Number of large read operations=0
                    HDFS: Number of write operations=12
            Job Counters 
                    Failed map tasks=7
                    Killed map tasks=1
                    Launched map tasks=18
                    Launched reduce tasks=1
                    Other local map tasks=8
                    Data-local map tasks=6
                    Rack-local map tasks=4
                    Total time spent by all maps in occupied slots (ms)=4322906
                    Total time spent by all reduces in occupied slots (ms)=155182
            Map-Reduce Framework
                    Map input records=10
                    Map output records=50
                    Map output bytes=769
                    Map output materialized bytes=929
                    Input split bytes=1200
                    Combine input records=0
                    Combine output records=0
                    Reduce input groups=5
                    Reduce shuffle bytes=929
                    Reduce input records=50
                    Reduce output records=5
                    Spilled Records=100
                    Shuffled Maps =10
                    Failed Shuffles=0
                    Merged Map outputs=10
                    GC time elapsed (ms)=26386
                    CPU time spent (ms)=119850
                    Physical memory (bytes) snapshot=2830766080
                    Virtual memory (bytes) snapshot=11052699648
                    Total committed heap usage (bytes)=2014642176
            Shuffle Errors
                    BAD_ID=0
                    CONNECTION=0
                    IO_ERROR=0
                    WRONG_LENGTH=0
                    WRONG_MAP=0
                    WRONG_REDUCE=0
            File Input Format Counters 
                    Bytes Read=1120
            File Output Format Counters 
                    Bytes Written=80
    14/07/21 22:09:59 INFO fs.TestDFSIO: ----- TestDFSIO ----- : write
    14/07/21 22:10:00 INFO fs.TestDFSIO:            Date & time: Mon Jul 21 22:09:59 CST 2014
    14/07/21 22:10:00 INFO fs.TestDFSIO:        Number of files: 10
    14/07/21 22:10:00 INFO fs.TestDFSIO: Total MBytes processed: 10240.0
    14/07/21 22:10:00 INFO fs.TestDFSIO:      Throughput mb/sec: 6.388915232072354
    14/07/21 22:10:00 INFO fs.TestDFSIO: Average IO rate mb/sec: 11.30741024017334
    14/07/21 22:10:00 INFO fs.TestDFSIO:  IO rate std deviation: 7.81592713288423
    14/07/21 22:10:00 INFO fs.TestDFSIO:     Test exec time sec: 556.575
    

      

    环境信息:

    x220, i5-2430M, 4G*2, 320G

    Windows 7 Ultimate, Vmware 8

    Virtual Workstation: 2 cores, 2G, 40G

    Hadoop 2.2.0

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  • 原文地址:https://www.cnblogs.com/Chase/p/3859258.html
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