Re: Issues using new idmapper in large sites

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Myklebust, Trond <Trond.Myklebust@xxxxxxxxxx> wrote:

> > It's fast but...it also missed most of my users (it only has 503
> > cached, there are 36287 total).  The refcount and number of keys
> > skyrocket even further on repeated runs but the number of missing
> > users remains the same.

Okay...  I need to improve keyring capacity.

Current max keyring capacity is

	(PAGE_SIZE - header) / sizeof(key *)

in other words, 500-ish on a 64-bit machine.

Let me have a play - in theory, it shouldn't be too hard; the main trick is
retaining RCU-based reading and, ideally, tree size.  Plus if I can sort it
too...

David
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