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  1. FreeNAS / TrueNAS
  2. NAS-101303

Fix bug that made UI unresponsive when destroying lots of snapshots

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    Details

    • Type: Bug
    • Status: Done (View Workflow)
    • Priority: Low
    • Resolution: Complete
    • Affects Version/s: None
    • Fix Version/s: 11.2-U4
    • Component/s: WebUI
    • Labels:
      None

      Description

      Using the new UI to delete several hundred snapshots causes the UI to become unresponsive. After some hours, the UI becomes responsive again.

      Messages like this appear in the log:
      Apr 2 19:06:15 enet-rascal-1 kernel: sonewconn: pcb 0xfffff80b3e782a50: Listen queue overflow: 193 already in queue awaiting acceptance (45 occurrences)

      This give two clues: the pcb number and the overflow number.

      netstat -Lan | egrep "(Proto|193)"
      Proto Listen Local Address
      unix 193/0/128 /var/run/middlewared.sock

      and

      netstat -a | egrep "(^Address|fffff80b3e782a50)"
      Address Type Recv-Q Send-Q Inode Conn Refs Nextref Addr
      fffff80b3e782a50 stream 0 0 fffff80919987938 0 0 0 /var/run/middlewared.sock

      So something associated with middlewared.sock is having trouble keeping up?

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                Assignee:
                william William Grzybowski
                Reporter:
                hokan . Hokan
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                  Dates

                  Created:
                  Updated:
                  Resolved:

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