Reverse a list

Dr. Hawkins dochawk at gmail.com
Tue Feb 17 23:06:45 EST 2015


On Tue, Feb 17, 2015 at 2:20 PM, Mike Kerner <MikeKerner at roadrunner.com>
wrote:

> I didn't include everything, including the transaction code, or opening the
> database in memory instead of on a disk.  When we were messing with this,
> the piece that became the (58 minute) bottleneck was inside the loop, or,
> according to Peter, the way the chunks are accessed in the loop.
>

Yes--but a large number of db accesses have their own time cost.  If you
can combine many to one, there is a *huge* savings to be had.


-- 
Dr. Richard E. Hawkins, Esq.
(702) 508-8462



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