A systematic Characterization of Application Sensitivity to Network Performance
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- NPB Run Times varying gap This table shows the run time, in seconds, of the NPB while varying gap. A switch bug caused FT
- NPB Run Times varying latency This table shows the run time, in seconds, of the NPB while varying latency. A switch bug caused FT
- NPB Run Times varying Bandwidth
- SPECsfs Response Times in varying Latency on the SCSI system
- SPECsfs Response Times varying Latency on the RAID system
- SPECsfs Response Times varying Overhead on the RAID
- SPECsfs Response Times varying Overhead on the SCSI system
- SPECsfs Response Times varying Bandwidth on the SCSI system
137 0 FT IS MG 1 s 5.8 173.2 18.7 17.8 8.3 - 21.3 18.2 10.8 - 21.5 16.8 15.8 - 20.1 16.8 30.8 - 19.6 18.3 55.8 170.6 21.3 22.6 80.8 159.1 21.1 21.3 105.8 171.6 21.4 23.5 Table B.7: NPB Run Times varying gap This table shows the run time, in seconds, of the NPB while varying gap. A switch bug caused FT to crash often. Unfortunately, the fixed switches were not available in time for this thesis, and the work-around would significantly perturb the results. 2 FT IS MG 1 s 5 173.2 18.7 17.8 7.5 178.4 22.6 18.2 10 - 20.6 19.2 15 - 21.1 17.8 30 - 21 55 - 19.8 22.1 80 - 19.8 21.9 105 - 19.8 22.2 Table B.8: NPB Run Times varying latency This table shows the run time, in seconds, of the NPB while varying latency. A switch bug caused FT to crash for high latency. Unfortunately, the fixed switches were not available in time for this thesis, and the work-around would significantly perturb the results. Bandwidth FT IS MG MB/s 1.19 661 - 60.9 4.6 225.7 22.6 25.5 11.2 186.2 23 20 15 171.8 22.1 19.6 19 177.1 22.1 23.5 37.5 173.2 18.7 17.8 Table B.9: NPB Run Times varying Bandwidth This table shows the run time, in seconds, of the NPB while varying Gap. Bandwidth is used so as to make an easier comparison to known systems. 138 Ops/sec Latency ( 3 s) Measured 10 50 100 500 1000 2000 4000 198 7.3 7.2 7.3 8.2 9.4 11.9 16.4 199 - - - - - 11.3 - 396 - 9.9 - - - - - 397 10.1 - 10 11 12.3 14.9 - 398 - - - - - - 20.5 602 13.8 13.4 14 14.8 - - 26.5 603 - - - - 16.7 18.8 - 762 - - - - - - 35.1 773 - - - - - - 34.7 774 - - - - - - 33.7 790 - - - - - - 33.9 799 - 16.1 15.9 16.9 - 22 - 800 15.6 - - - - - - 801 - - - - 18.8 - - 943 - - - - - 28.8 - 949 - - - - - 25.6 - 950 17.6 - - 18.8 21.8 - - 951 - - 18.3 - - - - 952 - 17.3 - - - - - 958 - - - - - 27.7 - 1000 - - - - 24.9 - - 1006 18.9 - 21.1 20.1 - - - 1007 - 19 - - - - - 1009 - - - - 25.8 - - 1045 - - 23.8 - - - - 1053 19.9 - - - - - - 1054 - 20 - - - - - 1055 - - - 21.5 - - - Table B.10: SPECsfs Response Times in varying Latency on the SCSI system The table shows the average response time, in milliseconds, for the SCSI system running NFS version 2 over UDP using the SFS 2.0 operation mix while varying latency. 139 Ops/sec Latency ( 4 s) Measured 10 15 50 100 150 1000 4000 298 3.4 3.5 3.8 3.7 3.9 5.9 13.4 397 4 3.9 - 4 4.1 - - 398 - - 4 - - 6.3 16.4 494 4.5 4.5 - 4.6 4.9 7 - 495 - - 4.6 - - - 20.5 595 4.9 5.2 4.9 5 5.2 7.6 17.4 696 6.1 5.8 6 6.2 6.2 8.7 20.1 791 - - - - - - 24.5 797 7.2 7.2 7.3 7.6 7.9 - - 798 - - - - - 10.6 - 900 - - 9 - - - - 901 8.8 - - - - - - 902 - 9 - 9.5 9.4 - 25.8 903 - - - - - 12.8 - 1001 11.4 - - - - - - 1002 - - - 11.9 11.1 - - 1003 - 11.5 10.8 - - - - 1004 - - - - - 13.7 - 1006 - - - - - - 31.8 1069 - - - - - - 46.3 1121 - - - - - - 44.2 1170 - - - - - - 42.3 1188 - - - - - - 41.3 1204 - 14.8 14.6 14.6 - - - 1205 15 - - - - - - 1207 - - - - - 17.1 - 1304 18.7 - - - - - - 1305 - 18.2 - - - - - 1306 - - 18.1 18.5 - - - 1307 - - - - - 22.3 - 1400 - 21.6 22.1 21.1 - - - 1402 - - - - - 25.7 - 1405 21 - - - - - - 1499 - 31.2 - - - - - 1501 - - - - - 30.1 - 1503 30.8 - - - - - - 1505 - - - 31 - - - Table B.11: SPECsfs Response Times varying Latency on the RAID system The table shows the average response time, in milliseconds, for the RAID running NFS version 2 over UDP using the SFS 2.0 operation mix while varying latency. 140 Ops/sec Overhead ( 5 s) Measured 80 85 90 95 100 105 130 180 280 298 3.4 - - 3.9 3.6 3.8 4.1 5.1 6.6 299 - 3.8 - - - - - - - 397 4 - - 4 4.2 - - - - 398 - 4 - - - 4.3 4.8 5.6 7.8 494 4.5 4.5 - 4.7 4.6 4.7 5.3 6.6 10.1 595 4.9 5 - 5.3 5.4 5.3 6.3 - 14.9 596 - - - - - - - 7.7 - 615 - - - - - - - - 90.3 627 - - - - - - - - 89.8 638 - - - - - - - - 89.5 651 - - - - - - - - 88.3 660 - - - - - - - - 87.5 679 - - - - - - - - 86.7 692 - - - - - - - - 86.2 696 6.1 6 - 6 6.3 - 7.1 9.2 - 697 - - - - - 6.4 - - - 704 - - - - - - - - 52.9 797 7.2 7.4 - 7.9 7.6 8 9 12.1 - 901 8.8 8.5 - 9.4 - 9.8 - - - 902 - - - - 9 - - - - 903 - - - - - - 10.3 17.3 - 987 - - - - - - - 55.7 - 1001 11.4 - - - - 12.8 - - - 1002 - - - 11.9 11.6 - 14.1 - - 1003 - 11.5 - - - - - - - 1127 - - - - - - 48.9 - - 1168 - - - - - - 47.9 - - 1204 - 15.7 - - - - - - - 1205 15 - - 16.2 - - - - - 1206 - - - - - 19 - - - 1207 - - - - 17.6 - 24.6 - - 1217 - - - - - - 46.5 - - 1282 - - - - - 41.8 - - - 1304 18.7 - - - - 21.9 - - - 1307 - - - 22.7 - - - - - 1309 - 20.4 - - 23.2 - - - - 1330 - - - - 40.6 - - - - 1331 - - - - - 40.4 - - - 1338 - - - 31.4 - - - - - 1359 - - - 39 - - - - - 1378 - - - - 39 - - - - 1404 - 21.8 - - - - - - - 1405 21 - - - - - - - - 1456 - 35.3 - - - - - - - 1503 30.8 - - - - - - - - Table B.12: SPECsfs Response Times varying Overhead on the RAID The table shows the average response time, in milliseconds, for the RAID running NFS version 2 over UDP using the SFS 2.0 operation mix while varying overhead. 141 Ops/sec Overhead ( 6 s) Measured 80 105 130 180 280 480 580 198 7.3 7.1 7.4 7.6 8.5 9.7 10.5 396 - - - 10.8 - - - 397 10.1 10.1 10.2 - 11.7 - - 398 - - - - - 14.6 16.6 538 - - - - - - 54.6 602 13.8 13.8 14 - - - - 603 - - - 14.7 16.7 - - 604 - - - - - 32.1 - 798 - - 16.9 18.1 - - - 799 - 16.2 - - 25.8 - - 800 15.6 - - - - - - 801 - - - - 35.9 - - 950 17.6 18.7 - - - - - 951 - - - 23.2 - - - 952 - - 19.5 - - - - 1005 - 21.8 21.5 - - - - 1006 18.9 - - - - - - 1029 - 24.9 - - - - - 1042 - - 24.8 - - - - 1053 19.9 - - - - - - Table B.13: SPECsfs Response Times varying Overhead on the SCSI system The table shows the average response time, in milliseconds, for the SCSI system running NFS version 2 over UDP using the SFS 2.0 operation mix while varying overhead. 142 Ops/sec Bandwidth(MB/s) Measured 26 14.5 11.3 10.6 9.1 5.9 4.5 2.5 1.2 198 7.1 7.2 7.3 7.3 7.2 7.5 7.5 7.9 10.6 396 9.8 10 10 - - 10.2 - 11.3 - 397 - - - - 10.1 - 10.4 - 15.7 602 - 13.5 - - 13.6 - - - - 603 - - 14 - - 13.9 14.3 15.7 - 604 - - - - - - - - 25.3 758 - - - - - - - - 35.8 759 - - - - - - - - 35.9 762 - - - - - - - - 35.7 774 - - - - - - - - 34.4 797 - - 15.9 - 15.7 15.8 16.5 - - 798 15.5 15.8 - - - - - - - 799 - - - - - - - 18.4 - 905 17 - - - - - - - - 949 - - 17.4 - - 18.4 - 20.9 - 950 - - - - 18.4 - 18.7 - - 951 - 17.5 - - - - - - - 952 17.4 - - - - - - - - 1004 - - - - - 20.1 - - - 1005 - - 19.1 - 19.4 - 19.8 - - 1006 - 19 - - - - - - - 1007 18.9 - - - - - - 22.1 - 1014 27.7 - - - - - - - - 1039 26.9 - - - - - - - - 1052 - - - - - - 21.4 - - 1053 - - - - 20.3 - - 23.6 - 1054 20.3 - 20.5 - - - - - - 1055 - 20 - - - 21.2 - - - 1074 26.1 - - - - - - - - 1089 24.9 - - - - - - - - 1097 22.7 - - - - - - - - Table B.14: SPECsfs Response Times varying Bandwidth on the SCSI system The table shows the average response time, in milliseconds, for the SCSI system running NFS version 2 over UDP using the SFS 2.0 operation mix while varying bandwidth. 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