perl-modperl mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Perrin Harkins <per...@primenet.com>
Subject Re: ANNOUNCE: Apache::ASP v1.93
Date Wed, 05 Jul 2000 22:49:15 GMT
On Wed, 5 Jul 2000, Joshua Chamas wrote:
>  ++Better SessionManagement, more aware of server farms that 
>   don't have reliable NFS locking.  The key here is to have only
>   one process on one server in charge of session garbage collection
>   at any one time, and try to create this situation with a snazzy
>   CleanupMaster routine.  This is done by having a process register
>   itself in the internal database with a server key created at
>   apache start time.  If this key gets stale, another process can 
>   become the master, and this period will not exceed the period
>   SessionTimeout / StateManager.

This sounds interesting, but I don't quite understand what you did.  The
sessions are stored in a dbm file, right?  Don't you still need locking if
all servers are trying to update the same NFS-mounted dbm file?  Or am I
totally off on how session storage is implemented?

- Perrin


Mime
View raw message