Memory leak in SP 3.0.2?

Lukas Hämmerle lukas.haemmerle at switch.ch
Tue Oct 9 04:27:33 EDT 2018


Hmm, one aspect that is special about this SP is that it gets many
Attibute Resolver requests
(https://wiki.shibboleth.net/confluence/display/SP3/Attribute+Resolver+Handler)
every day. This would also explain why other SPs' memory usage may not
affected.

Best Regards
Lukas


On 08.10.18 17:41, Cantor, Scott wrote:
> It's looking less leaky on my side:
> 
> Thu 8:53
>   PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND    
> 11036 shibd     20   0 1898020 232396  18384 S   0.0  0.7   0:03.94 shibd      
> 
> Mon Oct 1st 8:52am
> 11036 shibd     20   0 2243296 398468   7468 S   0.0  1.2   3:25.98 shibd      
> 
> Mon Oct 8th 11:29am
> 11036 shibd     20   0 2366172 408096   6808 S   0.0  1.2  17:00.83 shibd      
> 
> The Thursday to Monday is a restart of shibd on shibboleth.net and the growth there seemed at least a plausible leak, but in the last week you can see the numbers aren't very dramatic.
> 
> I don't reload the config there, really ever, but it's got a very large metadata refresh happening and a dynamic lookup.
> 
> If there's some unusual usage pattern or feature being used on a system that's growing endlessly that would go a long way towards pointing in the right direction.
> 
> -- Scott
> 
> 


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Lukas Hämmerle, Trust & Identity
GÉANT Project Task Leader of
eduGAIN Service Development - Research and Service Providers
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