zzstoatzz.io / relay
declarative relay deployment on hetzner relay-eval.waow.tech
atproto relay
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zlay: bump memory limit to 10Gi, MALLOC_ARENA_MAX to 4

safety headroom after OOM investigation. MALLOC_ARENA_MAX=4 reduces
contention for 2800+ threads while limiting fragmentation.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

zzstoatzz c15bc51e acccfdf0

+2 -2
+2 -2
zlay/deploy/zlay-values.yaml
··· 18 18 COLLECTION_INDEX_DIR: /data/collection-index 19 19 # glibc malloc tuning: limit internal arenas to reduce fragmentation 20 20 # with ~2,700 threads. default is 8 * num_cpus = 128 arenas. 21 - MALLOC_ARENA_MAX: "2" 21 + MALLOC_ARENA_MAX: "4" 22 22 # return freed pages to OS when free chunks exceed 128 KB 23 23 MALLOC_TRIM_THRESHOLD_: "131072" 24 24 envFrom: ··· 54 54 limits: 55 55 # debug build: ~1.6 GiB steady state, ~3-5 GiB startup spike 56 56 # (2,750 concurrent TLS handshakes use ~5 MiB/thread temporarily) 57 - memory: 8Gi 57 + memory: 10Gi 58 58 59 59 service: 60 60 zlay: