GreenPlum网络/磁盘IO预检查

gpadmin@master:~$ gpcheckperf -f hostfile_gpcheckperf -r ds -D -d /data/primary -d  /data/mirror
/opt/greenplum-db-6.21.0/bin/gpcheckperf -f hostfile_gpcheckperf -r ds -D -d /data/primary -d /data/mirror

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--  DISK WRITE TEST
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--  DISK READ TEST
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--  STREAM TEST
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====================
==  RESULT 2022-07-06T12:10:43.615351
====================

 disk write avg time (sec): 130.14
 disk write tot bytes: 16543842304
 disk write tot bandwidth (MB/s): 121.23
 disk write min bandwidth (MB/s): 121.23 [segment01]
 disk write max bandwidth (MB/s): 121.23 [segment01]
 -- per host bandwidth --
    disk write bandwidth (MB/s): 121.23 [segment01]


 disk read avg time (sec): 87.69
 disk read tot bytes: 16543842304
 disk read tot bandwidth (MB/s): 179.92
 disk read min bandwidth (MB/s): 179.92 [segment01]
 disk read max bandwidth (MB/s): 179.92 [segment01]
 -- per host bandwidth --
    disk read bandwidth (MB/s): 179.92 [segment01]


 stream tot bandwidth (MB/s): 19646.00
 stream min bandwidth (MB/s): 19646.00 [segment01]
 stream max bandwidth (MB/s): 19646.00 [segment01]
 -- per host bandwidth --
    stream bandwidth (MB/s): 19646.00 [segment01]