clusterperf April 12, 2012

clusterperf output as measured on April 12, 2012:

Note: These measurements were taken shortly after we converted from 64-bit keys to variable-length keys. The data was replicated to 3 backups and log cleaning was disabled.

basic.read100          5.3 us     read single 100B object with 30B key
basic.readBw100       18.1 MB/s   bandwidth reading 100B object with 30B key
basic.read1K           7.0 us     read single 1KB object with 30B key
basic.readBw1K       135.9 MB/s   bandwidth reading 1KB object with 30B key
basic.read10K         10.3 us     read single 10KB object with 30B key
basic.readBw10K      928.8 MB/s   bandwidth reading 10KB object with 30B key
basic.read100K        46.4 us     read single 100KB object with 30B key
basic.readBw100K       2.0 GB/s   bandwidth reading 100KB object with 30B key
basic.read1M         430.0 us     read single 1MB object with 30B key
basic.readBw1M         2.2 GB/s   bandwidth reading 1MB object with 30B key
basic.write100        16.1 us     write single 100B object with 30B key
basic.writeBw100       5.9 MB/s   bandwidth writing 100B object with 30B key
basic.write1K         19.9 us     write single 1KB object with 30B key
basic.writeBw1K       47.8 MB/s   bandwidth writing 1KB object with 30B key
basic.write10K        38.9 us     write single 10KB object with 30B key
basic.writeBw10K     245.1 MB/s   bandwidth writing 10KB object with 30B key
basic.write100K      246.9 us     write single 100KB object with 30B key
basic.writeBw100K    386.2 MB/s   bandwidth writing 100KB object with 30B key
basic.write1M          2.4 ms     write single 1MB object with 30B key
basic.writeBw1M      404.0 MB/s   bandwidth writing 1MB object with 30B key
broadcast            178.7 us     broadcast message to 9 slaves
netBandwidth         109.4 GB/s   many clients reading from different servers
netBandwidth.max       1.4 GB/s   fastest client
netBandwidth.min     589.3 MB/s   slowest client
readNotFound          13.9 us     read object that doesn't exist
# RAMCloud write performance for 100 B object with 30 B key
# during interleaved asynchronous writes of various sizes
# Generated by 'clusterperf.py writeAsyncSync'
#
# firstWriteIsSync firstObjectSize firstWriteLatency(us) syncWriteLatency(us)
#----------------------------------------------------------------------------
                 0             100                   6.8                 18.3
                 0            1000                   8.9                 18.5
                 0           10000                  15.7                 29.9
                 0          100000                  99.5                156.4
                 0         1000000                 964.2               1402.6
                 1             100                  15.9                 16.7
                 1            1000                  20.3                 16.3
                 1           10000                  36.9                 16.4
                 1          100000                 241.3                 18.0
                 1         1000000                2368.9                 22.2
# RAMCloud read performance for 100 B objects
# with keys of various lengths.
# Generated by 'clusterperf.py readVaryingKeyLength'
#
# Key Length      Latency (us)     Bandwidth (MB/s)
#----------------------------------------------------------------------------
           1              5.3                 0.2
           5              5.2                 0.9
          10              5.2                 1.8
          15              5.3                 2.7
          20              5.3                 3.6
          25              5.3                 4.5
          30              5.3                 5.4
          35              5.4                 6.2
          40              5.4                 7.0
          45              5.4                 7.9
          50              5.4                 8.8
          55              5.5                 9.6
          60              5.5                10.5
          65              5.5                11.4
          70              5.5                12.2
          75              5.5                13.0
          80              5.5                13.8
          85              5.5                14.7
          90              5.5                15.6
          95              5.5                16.4
         100              5.5                17.2
         200              6.4                30.0
         300              6.6                43.6
         400              7.1                54.1
         500              7.3                65.6
         600              7.4                77.0
         700              7.4                90.1
         800              7.5               101.4
         900              7.7               111.5
        1000              7.8               122.8
        2000              8.6               221.7
        3000              9.5               302.5
        4000             10.2               372.9
        5000             11.2               424.7
        6000             12.0               475.5
        7000             12.8               522.4
        8000             13.6               559.7
        9000             14.5               590.5
       10000             15.4               619.2
       20000             24.8               769.1
       30000             34.0               841.3
       40000             43.4               879.7
       50000             52.3               912.4
       60000             61.1               936.1
# RAMCloud write performance for 100 B objects
# with keys of various lengths.
# Generated by 'clusterperf.py writeVaryingKeyLength'
#
# Key Length      Latency (us)     Bandwidth (MB/s)
#----------------------------------------------------------------------------
           1             15.5                 0.1
           5             15.7                 0.3
          10             15.7                 0.6
          15             15.5                 0.9
          20             16.2                 1.2
          25             15.8                 1.5
          30             16.0                 1.8
          35             15.7                 2.1
          40             15.7                 2.4
          45             16.0                 2.7
          50             15.8                 3.0
          55             15.8                 3.3
          60             16.2                 3.5
          65             16.2                 3.8
          70             16.6                 4.0
          75             16.7                 4.3
          80             16.8                 4.5
          85             16.8                 4.8
          90             17.0                 5.1
          95             17.0                 5.3
         100             17.1                 5.6
         200             17.7                10.8
         300             18.8                15.2
         400             19.4                19.7
         500             19.8                24.0
         600             20.2                28.3
         700             20.6                32.4
         800             21.9                34.9
         900             21.9                39.1
        1000             22.6                42.2
        2000             26.7                71.4
        3000             31.2                91.6
        4000             35.1               108.7
        5000             39.0               122.2
        6000             43.7               131.0
        7000             48.0               139.1
        8000             52.8               144.5
        9000             60.1               142.8
       10000             65.5               145.6
       20000            115.0               165.8
       30000            165.8               172.5
       40000            212.4               179.6
       50000            261.7               182.2
       60000            312.7               183.0
# RAMCloud read performance as a function of load (1 or more
# clients all reading a single 100-byte object with 30-byte key
# repeatedly).
# Generated by 'clusterperf.py readLoaded'
#
# numClients  readLatency(us)  throughput(total kreads/sec)
#----------------------------------------------------------
    1            5.5               181
    2            6.0               336
    3            5.6               534
    4            6.1               655
    5            6.6               759
    6            7.2               829
    7            8.4               832
    8            9.5               838
    9           11.2               804
   10           12.2               818
   11           13.3               825
   12           14.7               817
   13           15.9               816
   14           17.1               817
   15           18.4               815
   16           19.6               816
   17           21.0               810
   18           22.2               811
   19           23.5               807
   20           24.7               809
# RAMCloud read performance when 1 or more clients read
# 100-byte objects with 30-byte keys chosen at random from
# 10 servers.
# Generated by 'clusterperf.py readRandom'
#
# numClients  throughput(total kreads/sec)  slowest(ms)  reads > 10us
#--------------------------------------------------------------------
  1                  162                      2.11          0.4%
  2                  265                      7.93          0.4%
  3                  427                      2.08          0.4%
  4                  576                      2.41          0.7%
  5                  633                     15.90          0.5%
  6                  816                      4.95          0.6%
  7                  939                      2.97          0.6%
  8                 1132                      1.97          0.5%
  9                 1088                      9.95          0.8%
 10                 1286                      5.95          1.2%
 11                 1472                      2.22          1.3%
 12                 1573                      4.01          1.2%
 13                 1754                      3.02          1.3%
 14                 1815                      2.95          1.3%
 15                 1727                      9.77          1.3%
 16                 2176                      1.94          0.9%
 17                 2229                      2.94          1.2%
 18                 2423                      3.66          1.1%
 19                 2358                      6.56          1.3%
 20                 2355                      9.83          1.8%
 21                 2044                      9.95          2.0%
 22                 2807                      3.74          2.0%
 23                 2575                      7.86          2.1%
 24                 2804                      9.85          2.3%
 25                 2900                      9.93          2.5%
 26                 3236                      1.96          2.8%
 27                 3362                      4.32          2.9%
 28                 3274                      9.95          3.1%
 29                 3397                      7.84          3.6%
 30                 3764                      3.50          3.7%
 31                 3875                      1.82          3.9%
 32                 3953                      4.08          4.3%
 33                 3872                      5.63          4.6%
 34                 4209                      3.96          4.8%
 35                 3809                     10.26          5.3%
 36                 4228                      4.24          5.6%
 37                 3874                     14.17          6.3%
 38                 4284                      7.87          6.8%
 39                 4844                      2.24          7.5%
 40                 4503                      6.35          7.8%
 41                 4726                      5.90          8.6%
 42                 4851                      3.95          9.2%
 43                 4300                      8.72          10.6%
 44                 4810                      3.85          11.9%
 45                 4457                      6.55          12.9%
 46                 4987                      7.86          13.6%
 47                 4889                      8.19          14.0%
 48                 5432                      4.02          15.9%
 49                 3586                     35.50          16.6%
 50                 5262                     10.87          18.4%