gpcheckperf 对集群进行磁盘和网络带宽检查

使用gpcheckperf工具对服务器的各指标进行检查，费时比较长，大概花了40分钟，尤其是DISK WRITE和DISK READ的测试，在DISK　WRITE时，每个服务器上写了252GB空文件。

[gpadmin@ETL ~]$ gpcheckperf -f seg_host -d /export/gpdata –v

/apps/greenplum/bin/gpcheckperf -f seg_host -d /export/gpdata –v

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--  DISK WRITE TEST

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--  DISK READ TEST

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--  STREAM TEST

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--  NETPERF TEST

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XXXXXXXXXXXXX

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==  RESULT

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 disk write avg time (sec): 1045.10

 disk write tot bytes: 1622627450880

 disk write tot bandwidth (MB/s): 2224.48

 disk write min bandwidth (MB/s): 179.06 [gsdw2]

 disk write max bandwidth (MB/s): 928.53 [gsdw4]

 disk read avg time (sec): 968.36

 disk read tot bytes: 1622627450880

 disk read tot bandwidth (MB/s): 3126.63

 disk read min bandwidth (MB/s): 182.02 [gsdw2]

 disk read max bandwidth (MB/s): 1776.85 [gsdw4]

 stream tot bandwidth (MB/s): 49777.98

 stream min bandwidth (MB/s): 6416.68 [gsdw5]

 stream max bandwidth (MB/s): 10046.99 [ gmdw]

Netperf bisection bandwidth test

gmdw -> gsdw1 = 112.290000

gsdw2 -> gsdw3 = 112.330000

gsdw4 -> gsdw5 = 112.270000

gsdw1 -> gmdw = 112.310000

gsdw3 -> gsdw2 = 112.270000

gsdw5 -> gsdw4 = 112.290000

Summary:

sum = 673.76 MB/sec

min = 112.27 MB/sec

max = 112.33 MB/sec

avg = 112.29 MB/sec

median = 112.29 MB/sec