Hi.

We're trying to use Jetty 9.4.14 with an application that uses a lot of
sessions, and we're having trouble with the DefaultSessionCache not
deleting some old sessions, until we ended up with 6.7 GB consumed by
393216 Session objects in the heap after our load test. Looking at the
sessions that hadn't expired after a few hours, I see that each of them has
_requests set to 1, when it looks like they should all be 0.

We're using a JDBC session store, and a lot of sessions didn't seem to make
it to the database table, although the ones that did were expired and
removed as expected.

This is a fairly large application with a lot of proprietary code, so
unfortunately I don't have a way to reproduce this that I can share at the
moment. We do a fair bit of asynchronous servlet processing, though, which
makes me suspicious. Where can I start to look for a solution to this?



-- 
Laissez lire, et laissez danser; ces deux amusements ne feront jamais de
mal au monde.
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