[Koha-bugs] [Bug 26457] DB DeadLock when renewing checkout items

[bugzilla-daemon at bugs.koha-community.org]

https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=26457

Nick Clemens <nick at bywatersolutions.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |nick at bywatersolutions.com
           See Also|                            |https://bugs.koha-community
                   |                            |.org/bugzilla3/show_bug.cgi
                   |                            |?id=26208

--- Comment #14 from Nick Clemens <nick at bywatersolutions.com> ---
Investigating this, as near as I can tell it only occurs during 'Renew all'
when too many processes hit the server at once. I cannot recreate locally, but
can verify on larger active koha instances

The renewals silently fail and the user is never notified leading to problems
later.

We have other issues from the multiple concurrent renewals, see bug 26208

I attached a patch there to perform the actions serially which I believe will
mitigate this issue

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