[Koha-devel] Possible memory leak when using ZOOM libraries with Zebra

[Fridolin SOMERS]

Thanks for this alert.
Zebra is a wild animal ;)

Le 19/12/2018 à 02:08, David Cook a écrit :
> Hi all,
> 
>   
> 
> I've been playing with the ZOOM libraries and Zebra, and it seems like
> there's a memory leak when using C4::Context->Zconn with the environmental
> variable GATEWAY_INTERFACE.
> 
>   
> 
> I had a script that was creating a new connection for each request, and
> C4::Context->Zconn did look like it was calling the destroy method on the
> connection before creating a new one, and it was clear that each request was
> using a new connection, but I noticed the memory usage on the script slowly
> started going up. For a long-running script, the memory usage got over a
> gigabyte.
> 
>   
> 
> If I re-use the connection (ie don't have GATEWAY_INTERFACE turned on),
> there's no memory leak.
> 
>   
> 
> It shouldn't matter for CGI Koha, but I'm curious how this might affect
> Plack Koha. I haven't looked yet, but I figured it was worth sharing my
> observation. I suppose Plack recycles workers, so it's not dangerous, but I
> wonder if this is affecting the memory usage of Plack workers. Food for
> thought at least.
> 
>   
> 
> David Cook
> 
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> Prosentient Systems
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>   
> 
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> 
> 
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-- 
Fridolin SOMERS <fridolin.somers at biblibre.com>
BibLibre, France - software and system maintainer