Is it possible to only include the syscache on --enable-selinux
configurations? It would imply physical data incompatibility with
standard configurations, but that's also true for e.g. the block size.
Also, the tests I did with varying bucket sizes suggested that
decreasing the syscache to 256 didn't show a significant performance
decrease compared to the 2048 #buckets, for the restorecon test, which
hits over 3000 objects with security labels. My guess is that that is
a fair middle of the road database schema size. Are you unwilling to
pay the startup overhead for a extra 256 syscache?
Hello KaiGai-san,
off-list,
I was wondering why the catalog pg_seclabel exists at all. Why not store
the labels together with the objects (pg_class, pg_attribute etc) ? The
syscache wouldn't be needed in that case.
regards,
Yeb
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