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  1. Qt Quality Assurance Infrastructure
  2. QTQAINFRA-2904

I/O operations take long time on personal-coins.intra.qt.io server

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      Executing command such as make takes forever. Inspecting IO operations on /home drive shows very inconsistent ping results

      aakeskim@personal-coins:~$ sudo ioping /dev/mapper/vg0-lv--0
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=1 time=1.12 ms (warmup)
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=2 time=9.69 s
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=3 time=4.44 s
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=4 time=7.50 s
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=5 time=1.68 ms
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=6 time=17.3 ms
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=7 time=9.35 s (slow)
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=8 time=8.22 s
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=9 time=1.33 ms (fast)
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=10 time=10.2 s (slow)
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=11 time=10.5 s (slow)
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=12 time=14.0 s (slow)
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=13 time=1.61 ms (fast)
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=14 time=61.8 ms (fast)
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=15 time=9.10 s
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=16 time=1.38 ms (fast)
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=17 time=1.22 ms (fast)
      4 KiB <<< /dev/mapper/vg0-lv--0 (block device 3.00 TiB): request=18 time=1.66 ms (fast)
      
      

      In comparison, running the same command on local physical harddrive takes only about 6ms.

       

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            tosaraja Tony Sarajärvi
            aakeskimo Aapo Keskimölö
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