[chord] possible livelock

[Benjie Chen]

actually, i am not too concerned with single node performance
either. i am worried that on a WAN, when the system is busy,
we might see live lock as well. while it may take a bit more
parallel inserts to get there, it could happen.

benjie


On Fri, Jun 13, 2003 at 11:25:45AM -0400, Frank Dabek wrote:
> Benjie,
> 
> 	I've noticed this as well, but mainly only when running on a single
> node. I think that the problem is in our aggressive use of transactions
> to assure database integrity. In fact, I find that inserting over the
> wide area is faster than inserting on a single node (I'm guessing due to
> the spindle parallelism).
> 
> 	I'm not to concerned about single node performance (should we be?) but
> it is annoying when testing new code... perhaps we could do something
> smarter with the transactions. group commit? Better DB?
> 
> --Frank

-- 
benjie chen
benjie at lcs.mit.edu