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[patch] remove sar command example from best practices (moved to masp…
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…erf wiki)
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cuddlyporcupine committed Jan 24, 2025
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Expand Up @@ -119,29 +119,6 @@ To measure disk performance on Linux use the `dd` command. The sample command be
[db2inst1@c-db2wh-manage-db2u-0 - Db2U bludata0]$
```
Use the [sar](https://linux.die.net/man/1/sar) command line tool to check for disk performance. The example below shows that disk `dev8-64` is reporting as 100% utilized and with a svctm of 677.48 milliseconds.
```
$ sar -d 1

Average: DEV tps rkB/s wkB/s areq-sz aqu-sz await svctm %util
Average: dev202-16 2.29 50.81 0.00 22.23 0.00 0.81 0.17 0.04
Average: dev202-112 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: dev202-0 71.62 0.19 2717.52 37.95 0.26 3.64 0.15 1.09
Average: dev202-32 26.67 0.00 257.90 9.67 0.03 1.17 0.20 0.52
Average: dev253-0 59.57 0.00 257.90 4.33 0.10 1.64 0.10 0.59
Average: dev8-0 0.05 0.00 0.00 0.00 0.00 0.00 1.00 0.00
Average: dev8-16 0.05 0.00 0.00 0.00 0.00 0.00 1.00 0.00
Average: dev253-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: dev8-32 0.05 0.00 0.00 0.00 0.00 1.00 1.00 0.00
Average: dev253-2 2.57 0.00 10.86 4.22 0.00 1.04 0.98 0.25
Average: dev8-48 2.62 0.00 10.86 4.15 0.00 0.96 381.85 100.01
Average: dev8-64 1.48 0.00 40.19 27.23 0.00 1.06 677.48 100.01
Average: dev253-3 1.43 0.00 40.19 28.13 0.00 1.20 0.73 0.10
Average: dev8-80 0.05 0.00 0.00 0.00 0.00 1.00 1.00 0.00
```
### Network latency between app and db server
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