[Xapian-discuss] Search performance issues and profiling/debugging search?

[Olly Betts]

On Wed, Oct 24, 2007 at 02:49:05PM +0200, Ron Kass wrote:
> We've installed both valgrind and oprofile, and managed to get valgrind 
> working (but not oprofile.. see error below.. still working on it, but 
> if you have an insight it would be helpful)

Google for: oprofile xen

> Anyway, we have actually used xapian-compress on the databases to see if 
> it helps. It appears to have rid of the segmentation fault error on 
> database 10, but the slowness and the variations in estimates still exist.

A seg fault is clearly a bug somewhere, and I'd really like to know
where.  Do you still have the un-compacted database, or if not can you
recreate it?  If so, please rerun the test on it under gdb as I
requested in my previous mail!

Cheers,
    Olly