Saving shibd session state during restarts

Lenny Miceli miceli at buffalo.edu
Thu Jun 12 15:05:10 EDT 2014


OK thanks Scott.  I was just reiterating what the shibboleth doc says 
for the NativeSPODBCStorageService plugin:
 
https://wiki.shibboleth.net/confluence/display/SHIB2/NativeSPODBCStorageService

[Begin snippet]
The SP includes a plugin that I would call "beta" quality for storing 
persistent information, including user sessions, in a database using an 
ODBC driver.
[End snippet]

Maybe the doc should be changed to reflect it's no longer "beta" quality.

Lenny

On 06/11/2014 09:44 PM, Cantor, Scott wrote:
> The ODBC plugin isn't beta, it works fine when the libraries and driver work. That's relatively rare on Linux.
>
> -- Scott
>
>
>
> -- Scott
>
>
>   -----Original Message-----
> From: 	Lenny Miceli [mailto:miceli at buffalo.edu]
> Sent:	Wednesday, June 11, 2014 07:46 PM Eastern Standard Time
> To:	Shib Users
> Subject:	Re: Saving shibd session state during restarts
>
> Thanks for the info Jacob, the thread you mention sure does persuade me
> not to use memcache.  So my options to resolve this problem are either
> use a "beta" DB plugin with it's own set of problems or take time to
> program shibd to dump it's cache on shutdown and read it in on startup.
>
> Also, thanks for the reply Kevin.  Since you state, if we went memcache,
> we'd be in the minority with little or no support that puts another nail
> in the coffin with using memcache.
>
> Thanks to you both for your additional help/info.
>
> Lenny
>
> On 6/11/2014 5:29 PM, Jacob Lundberg wrote:
>>
>> On Wed, 2014-06-11 at 17:21 -0400, Lenny Miceli wrote:
>>> I just looked at the NativeSPStorageService wiki page and do see a
>>> mention of memcache.  Do you or anyone know if this is considered "beta"
>>
>> Careful; the SP implementation of memcache storage assumes cache
>> availability but memcache isn't designed to provide it (or durability
>> for that matter).  If any of your memcached servers is off-line, some
>> portion of your users will not be able to authenticate...  See this
>> thread:
>>
>> http://shibboleth.1660669.n2.nabble.com/SP-memcache-plugin-problem-td7596187.html
>>
>> -Jacob
>>
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