mahara-contributors team mailing list archive

[Aaron Wells <1492919@xxxxxxxxxxxxxxxxxx>]

Since this bug has still been reported even after the deployment of the
patch 5366, I've opened a subsequent bug:
https://bugs.launchpad.net/mahara/+bug/1514608

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https://bugs.launchpad.net/bugs/1492919

Title:
  Deadlock issues when 20-30 users copying collections & pages at the
  same time

Status in Mahara:
  Fix Released
Status in Mahara 1.10 series:
  Fix Released
Status in Mahara 1.9 series:
  Fix Released
Status in Mahara 15.04 series:
  Fix Released
Status in Mahara 15.10 series:
  Fix Released

Bug description:
  Multiple users on the forum have reported deadlock issues when there
  are many users (20-30) copying pages & collections at the same time.
  See
  https://mahara.org/interaction/forum/topic.php?id=7309&offset=0&limit=10

  Note that 20 to 30 users is around the number you'd hit if you're
  running a whole class of users through a training session at the same
  time.

  The three reported cases of this are all in 15.04, so it may be a
  problem introduced in that version.

  The problem has been reported in both Postgres & MySQL.

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