LVS
lvs-users
Google
 
Web LinuxVirtualServer.org

Re: IMAP and LVS problems

To: lvs-users@xxxxxxxxxxxxxxxxxxxxxx, rkagan@xxxxxxxx
Subject: Re: IMAP and LVS problems
From: Joseph Mack <mack.joseph@xxxxxxx>
Date: Wed, 20 Nov 2002 12:37:43 -0500
Ramon Kagan wrote:

> > is this after 8hrs, 24hrs, or something else?
> >
> actually just about anything, as low as ten minutes, and those are the
> ones I really worry about

maybe it's the LVS timeout. There is also a tcp keepalive timeout somewhere too
which is separate from the LVS timeout.

> The tcp connections go through the normal cycle, EST, WAIT, FIN_WAIT...

does the client disconnect between fetches or is the connection open all the 
time?

does the client maintain a (possibly separate) 
connection to the demon to keep authentication valid?
 
> However the imap daemon is kept alive, and the client is shipped the PID
> of the imapd to reconnect directly. 

didn't know you could connect to a process number on a remote machine ;=\

Joe
-- 
Joseph Mack PhD, Senior Systems Engineer, SAIC contractor 
to the National Environmental Supercomputer Center, 
mailto:mack.joseph@xxxxxxx ph# 919-541-0007, RTP, NC, USA


<Prev in Thread] Current Thread [Next in Thread>