@VM
[bigdata@bigdata hadoop]$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : QEMU Virtual CPU version (cpu64-rhel6)
stepping : 3
cpu MHz : 1995.223
cache size : 4096 KB
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx lm unfair_spinlock pni cx16 hypervisor lahf_lm
bogomips : 3990.44
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : QEMU Virtual CPU version (cpu64-rhel6)
stepping : 3
cpu MHz : 1995.223
cache size : 4096 KB
fpu : yes
fpu_exception : yes
cpuid level : 4
wp : yes
flags : fpu de pse tsc msr pae mce cx8 apic mtrr pge mca cmov pse36 clflush mmx fxsr sse sse2 syscall nx lm unfair_spinlock pni cx16 hypervisor lahf_lm
bogomips : 3990.44
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management:
[bigdata@bigdata hadoop]$ free -m
total used free shared buffers cached
Mem: 3832 3302 529 0 57 631
-/+ buffers/cache: 2613 1218
Swap: 8191 143 8048
[bigdata@bigdata hadoop]$ df -lh
文件系统 容量 已用 可用 已用%% 挂载点
/dev/vda3 288G 12G 262G 5% /
tmpfs 1.9G 836K 1.9G 1% /dev/shm
/dev/vda1 97M 31M 61M 34% /boot
[bigdata@bigdata hadoop]$ hadoop jar hadoop-test-1.0.4.jar nnbench -operation create_write
Warning: $HADOOP_HOME is deprecated.
NameNode Benchmark 0.4
13/04/21 12:33:48 INFO hdfs.NNBench: Test Inputs:
13/04/21 12:33:48 INFO hdfs.NNBench: Test Operation: create_write
13/04/21 12:33:48 INFO hdfs.NNBench: Start time: 2013-04-21 12:35:48,45
13/04/21 12:33:48 INFO hdfs.NNBench: Number of maps: 1
13/04/21 12:33:48 INFO hdfs.NNBench: Number of reduces: 1
13/04/21 12:33:48 INFO hdfs.NNBench: Block Size: 1
13/04/21 12:33:48 INFO hdfs.NNBench: Bytes to write: 0
13/04/21 12:33:48 INFO hdfs.NNBench: Bytes per checksum: 1
13/04/21 12:33:48 INFO hdfs.NNBench: Number of files: 1
13/04/21 12:33:48 INFO hdfs.NNBench: Replication factor: 1
13/04/21 12:33:48 INFO hdfs.NNBench: Base dir: /benchmarks/NNBench
13/04/21 12:33:48 INFO hdfs.NNBench: Read file after open: false
13/04/21 12:33:48 INFO hdfs.NNBench: Deleting data directory
13/04/21 12:33:48 INFO hdfs.NNBench: Creating 1 control files
13/04/21 12:33:49 INFO mapred.FileInputFormat: Total input paths to process : 1
13/04/21 12:33:49 INFO mapred.JobClient: Running job: job_201304060732_0007
13/04/21 12:33:50 INFO mapred.JobClient: map 0% reduce 0%
13/04/21 12:35:53 INFO mapred.JobClient: map 100% reduce 0%
13/04/21 12:36:05 INFO mapred.JobClient: map 100% reduce 100%
13/04/21 12:36:10 INFO mapred.JobClient: Job complete: job_201304060732_0007
13/04/21 12:36:10 INFO mapred.JobClient: Counters: 30
13/04/21 12:36:10 INFO mapred.JobClient: Job Counters
13/04/21 12:36:10 INFO mapred.JobClient: Launched reduce tasks=1
13/04/21 12:36:10 INFO mapred.JobClient: SLOTS_MILLIS_MAPS=118573
13/04/21 12:36:10 INFO mapred.JobClient: Total time spent by all reduces waiting after reserving slots (ms)=0
13/04/21 12:36:10 INFO mapred.JobClient: Total time spent by all maps waiting after reserving slots (ms)=0
13/04/21 12:36:10 INFO mapred.JobClient: Launched map tasks=1
13/04/21 12:36:10 INFO mapred.JobClient: Data-local map tasks=1
13/04/21 12:36:10 INFO mapred.JobClient: SLOTS_MILLIS_REDUCES=10698
13/04/21 12:36:10 INFO mapred.JobClient: File Input Format Counters
13/04/21 12:36:10 INFO mapred.JobClient: Bytes Read=124
13/04/21 12:36:10 INFO mapred.JobClient: File Output Format Counters
13/04/21 12:36:10 INFO mapred.JobClient: Bytes Written=164
13/04/21 12:36:10 INFO mapred.JobClient: FileSystemCounters
13/04/21 12:36:10 INFO mapred.JobClient: FILE_BYTES_READ=184
13/04/21 12:36:10 INFO mapred.JobClient: HDFS_BYTES_READ=245
13/04/21 12:36:10 INFO mapred.JobClient: FILE_BYTES_WRITTEN=45589
13/04/21 12:36:10 INFO mapred.JobClient: HDFS_BYTES_WRITTEN=164
13/04/21 12:36:10 INFO mapred.JobClient: Map-Reduce Framework
13/04/21 12:36:10 INFO mapred.JobClient: Map output materialized bytes=184
13/04/21 12:36:10 INFO mapred.JobClient: Map input records=1
13/04/21 12:36:10 INFO mapred.JobClient: Reduce shuffle bytes=184
13/04/21 12:36:10 INFO mapred.JobClient: Spilled Records=14
13/04/21 12:36:10 INFO mapred.JobClient: Map output bytes=164
13/04/21 12:36:10 INFO mapred.JobClient: Total committed heap usage (bytes)=220266496
13/04/21 12:36:10 INFO mapred.JobClient: CPU time spent (ms)=2510
13/04/21 12:36:10 INFO mapred.JobClient: Map input bytes=38
13/04/21 12:36:10 INFO mapred.JobClient: SPLIT_RAW_BYTES=121
13/04/21 12:36:10 INFO mapred.JobClient: Combine input records=0
13/04/21 12:36:10 INFO mapred.JobClient: Reduce input records=7
13/04/21 12:36:10 INFO mapred.JobClient: Reduce input groups=7
13/04/21 12:36:10 INFO mapred.JobClient: Combine output records=0
13/04/21 12:36:10 INFO mapred.JobClient: Physical memory (bytes) snapshot=248139776
13/04/21 12:36:10 INFO mapred.JobClient: Reduce output records=7
13/04/21 12:36:10 INFO mapred.JobClient: Virtual memory (bytes) snapshot=2519277568
13/04/21 12:36:10 INFO mapred.JobClient: Map output records=7
13/04/21 12:36:10 INFO hdfs.NNBench: -------------- NNBench -------------- :
13/04/21 12:36:10 INFO hdfs.NNBench: Version: NameNode Benchmark 0.4
13/04/21 12:36:10 INFO hdfs.NNBench: Date & time: 2013-04-21 12:36:10,314
13/04/21 12:36:10 INFO hdfs.NNBench:
13/04/21 12:36:10 INFO hdfs.NNBench: Test Operation: create_write
13/04/21 12:36:10 INFO hdfs.NNBench: Start time: 2013-04-21 12:35:48,45
13/04/21 12:36:10 INFO hdfs.NNBench: Maps to run: 1
13/04/21 12:36:10 INFO hdfs.NNBench: Reduces to run: 1
13/04/21 12:36:10 INFO hdfs.NNBench: Block Size (bytes): 1
13/04/21 12:36:10 INFO hdfs.NNBench: Bytes to write: 0
13/04/21 12:36:10 INFO hdfs.NNBench: Bytes per checksum: 1
13/04/21 12:36:10 INFO hdfs.NNBench: Number of files: 1
13/04/21 12:36:10 INFO hdfs.NNBench: Replication factor: 1
13/04/21 12:36:10 INFO hdfs.NNBench: Successful file operations: 1
13/04/21 12:36:10 INFO hdfs.NNBench:
13/04/21 12:36:10 INFO hdfs.NNBench: # maps that missed the barrier: 0
13/04/21 12:36:10 INFO hdfs.NNBench: # exceptions: 0
13/04/21 12:36:10 INFO hdfs.NNBench:
13/04/21 12:36:10 INFO hdfs.NNBench: TPS: Create/Write/Close: 47
13/04/21 12:36:10 INFO hdfs.NNBench: Avg exec time (ms): Create/Write/Close: 42.0
13/04/21 12:36:10 INFO hdfs.NNBench: Avg Lat (ms): Create/Write: 39.0
13/04/21 12:36:10 INFO hdfs.NNBench: Avg Lat (ms): Close: 3.0
13/04/21 12:36:10 INFO hdfs.NNBench:
13/04/21 12:36:10 INFO hdfs.NNBench: RAW DATA: AL Total #1: 39
13/04/21 12:36:10 INFO hdfs.NNBench: RAW DATA: AL Total #2: 3
13/04/21 12:36:10 INFO hdfs.NNBench: RAW DATA: TPS Total (ms): 42
13/04/21 12:36:10 INFO hdfs.NNBench: RAW DATA: Longest Map Time (ms): 42.0
13/04/21 12:36:10 INFO hdfs.NNBench: RAW DATA: Late maps: 0
13/04/21 12:36:10 INFO hdfs.NNBench: RAW DATA: # of exceptions: 0
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