fix(operator): enable etcd auto-compaction + raise backend quota#151
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kamir wants to merge 1 commit into
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fix(operator): enable etcd auto-compaction + raise backend quota#151kamir wants to merge 1 commit into
kamir wants to merge 1 commit into
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The operator-managed etcd takes one revision per offset update (one per produce). Without compaction the MVCC store reaches the default 2 GiB quota under sustained load and the broker then fails produce with 'mvcc: database space exceeded'. Add periodic auto-compaction (5m retention) and raise the backend quota to 4 GiB so bursts do not trip the quota between compactions. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Problem
The operator-managed etcd writes one MVCC revision per offset update (one per produce). With no compaction the store reaches the default 2 GiB quota under sustained load and the broker then fails produce with
mvcc: database space exceeded.Fix
Add to the etcd server args:
--auto-compaction-mode=periodic,--auto-compaction-retention=5m, and--quota-backend-bytes=4294967296(4 GiB). Periodic compaction keeps the GC ahead of the broker write rate; the higher quota gives burst headroom.Test
go build+go test ./pkg/operator/...green.Part of a small series upstreaming deployment-hardening deltas we currently carry.