From: Ondřej Surý <ondrej@isc.org>
Date: Wed, 9 Jul 2025 21:19:56 +0000 (+0200)
Subject: chg: dev: Increase the scalability in the ADB
X-Git-Tag: v9.21.11~58
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0c15da33e883d63c9a237d8fa1980c11409a621e;p=thirdparty%2Fbind9.git

chg: dev: Increase the scalability in the ADB

This MR reduces lock contention and increases scalability in the ADB by:
 a) Using SIEVE algorithm instead of classical LRU;
 b) Replacing rwlocked isc_hashmap with RCU cds_lfht table;
 c) Replace the single LRU table per-object with per-loop LRU tables per-object.

Merge branch 'ondrej/use-urcu-lfht-for-ADB-tables' into 'main'

See merge request isc-projects/bind9!10645
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0c15da33e883d63c9a237d8fa1980c11409a621e