[Zope-Coders] Status of QueueCatalog?

[Jim Fulton]

Shane Hathaway wrote:
> Andreas Jung wrote:
> 
>> Can someone give a short note on the status of QueueCatalog? Is it
>> ready for production?
> 
> 
> Well, it's *in* production. :-)  One lesson we learned, though, is that 
> you have to think about the number of buckets you need.  The default is 
> 1009, and they all have to be loaded into memory to flush or examine the 
> queue.  This was a big burden until we reduced it to 7 buckets.  No 
> problems since.

Each bucket is a single database record. You don't want the buckets to
get too big, or database updates would get to expensive.  I'm surprised
that 1009 was that burdonsome. I do think that 7 is probably too low.

Jim

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