On 30/04/2025 14:59, Doug Whitfield wrote:
Hi folks,
This feature was added in 9.0.90:
The system property org.apache.catalina.connector.RECYCLE_FACADES will now
default to true if not specified, which will in turn set the default value for
the discardFacades connector attribute, thus causing facade objects to be
discarded by default. (remm)
It makes sense that would cause some performance degradation. We are currently
seeing *at least* a 5x increase in the number of connections. This doesn’t
*seem* right, but maybe it is?
That does seem high. Are requests/second staying the same? That would
suggest each one is taking 5x longer.
We’ve been able to reproduce this in 9.0.90 through 9.0.104. If we set
RECYCLE_FACADES to false, then we get the performance we have come to expect.
I am trying to get some additional information from the performance team to see
what exactly they are doing. Perhaps something needs to be updated in their
code, but in the meantime wondering what others have seen and what folks think
is a reasonable degradation.
Let me run some tests and I should be able to give you a reasonable
upper bound.
Mark
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