[Openais] does openais need to consider the error happens inthe process of receiving a mcast message

Steven Dake sdake at mvista.com
Tue Jul 26 12:40:05 PDT 2005


On Tue, 2005-07-26 at 12:22 -0700, Mark Haverkamp wrote:
> On Tue, 2005-07-26 at 12:19 -0700, Steven Dake wrote:
> > These out of memory problems are currently unsolved.  Dealing with out
> > of memory sucks in a distributed system.  The memory pool idea can allow
> > the administrator of the cluster to define maximum limits at which point
> > the processor can be kicked from the configuration if it extends past
> > its allocation limits.  Unfortunately this is unimplemented but
> > something we need to fix in the future.
> > 
> > On the positive side, the protocol itself is correct in the face of out
> > of memory errors, except perhaps for the condition where a timer cannot
> > be allocated.
> > 
> > regards
> > -steve
> > 
> 
> I suppose that if there are out of memory conditions that could leave
> the cluster in an inconsistent state and we don't have a fix for it yet,
> we should probably kill aisexec  and let a re-configuration happen so
> that we stay in a consistent state.
> 
> 

yes I would agree this is a good short term solution.

regards
-steve




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