[rt-users] Performance Increase through Indexing...

[Jesse Vincent]

Excellent! Thanks.  

I'm really kinda surprised that the Creator indices would have any effect.
What prompted you to add those?


On Thu, Aug 23, 2001 at 10:51:04AM -0400, David C. Troy wrote:
> 
> Ugh -- been spending the last 24 hours optimizing my RT data tables, etc,
> trying to clean out junk, etc.
> 
> Was running Steve Poirier's delete_dead_tickets.pl script, and it runs
> very slow on large databases;  not his fault.
> 
> By creating the following indexes, I was able to increase performance of
> RT2 and Steve's script with no other modifications anywhere.  Jesse, in
> your opinion which of these might provide the biggest gains overall?
> 
> alter table Transactions ADD INDEX TicketIndex(Ticket);
> alter table Transactions ADD INDEX EffectiveTicketIndex(EffectiveTicket);
> alter table Transactions ADD INDEX CreatorIndex(Creator);
> alter table Attachments ADD INDEX CreatorIndex(Creator);
> alter table Attachments add index ParentIndex(Parent);
> alter table Attachments ADD INDEX TransactionId(TransactionId);
> alter table Tickets ADD INDEX EffectiveIdIndex(EffectiveId);
> alter table Tickets ADD INDEX OwnerIndex(Owner);
> alter table Tickets ADD INDEX CreatorIndex(Creator);
> 
> This has really helped our RT performance.
> 
> Dave
> 
> =====================================================================
> David C. Troy   [dave at toad.net]                   410-544-6193 Sales
> ToadNet - Want to go fast?                        410-544-1329 FAX
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> 
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