[Zope-dev] KeywordIndex performance / multiunion

[Seb Bacon]

Casey Duncan wrote:
>>><guess>
>>>This time may be caused by fetching from the database. If so, then the
>>
>> > only way to speed it up is increase the ZODB cache or get faster disks.
>> > Try the former and see if it helps. </guess>
>>
>>  Upping the cache speeds it up to something sane. 
>>  However, I don't understand why. 
> 
> These are TreeSets most likely. The actual members of the sets are stored in 
 > separate persistent objects.

But of course :-)

Thanks,

seb