[Koha-bugs] [Bug 13431] Shared FastMmap file causes issues

bugzilla-daemon at bugs.koha-community.org bugzilla-daemon at bugs.koha-community.org
Tue Dec 16 23:40:01 CET 2014


http://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=13431

--- Comment #17 from Robin Sheat <robin at catalyst.net.nz> ---
(In reply to Jacek Ablewicz from comment #11)
> However, such test case is pretty artificial - things may be different for
> syspref caching, authorized values caching, how would it behave on heavily

Latency too, i.e. if you are using a separate MySQL server (which is a
recommended configuration, imo) then having things local may be an improvement.

> On the other hand, I wonder how many people in the wild may be actually
> using CACHING_SYSTEM=fastmmap_cache (or are even aware of such possibility)?
> Interesting thing about fastmmap_cache is that it is currently never used by
> default nor as a fallback mechanism (at least not since Bug 12041). But it

Yeah, it's not recommended to use fastmmap_cache unless you have good cause to
due to it not supporting expiry. I'd be quite OK with disabling the init of it
and starting the functions with a 'confess "not implemented due to bug 13431"'
if an attempt to use it is made. We can always fix it up later should we
discover a need.

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