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chg: dev: Prevent false sharing by aligning some zone and db fields
authorAlessio Podda <alessio@isc.org>
Thu, 13 Aug 2026 17:38:59 +0000 (17:38 +0000)
committerAlessio Podda <alessio@isc.org>
Thu, 13 Aug 2026 17:38:59 +0000 (17:38 +0000)
The zone refcount, zone dblock, db refcount and db lock are pretty contended in setups serving few big zones, such as TLDs.

We add alignment to both in order to prevent false sharing between them.

Merge branch 'alessio/aligned-atomics-v4' into 'main'

See merge request isc-projects/bind9!12513


Trivial merge
Mirror of https://gitlab.isc.org/isc-projects/bind9.git