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fix: increase Bitcoin memory limit to 4g, reduce dbcache to 2048

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Bitcoin Knots needs more memory headroom (was OOMing at 2g during IBD).
Reduce dbcache from 4096 to 2048 on large disks to stay within the 4g
container limit. Low-memory systems get 2g (was 1g).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
Dorian
2026-04-02 14:25:31 +01:00
parent ac6b22db76
commit 6177d9149d
2 changed files with 3 additions and 3 deletions
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4
scripts/first-boot-containers.sh
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@@ -299,7 +299,7 @@ LOW_MEM=false
mem_limit() {
case "$1" in
bitcoin-knots) $LOW_MEM && echo "1g" || echo "2g";;
bitcoin-knots) $LOW_MEM && echo "2g" || echo "4g";;
onlyoffice) $LOW_MEM && echo "1g" || echo "2g";;
ollama) $LOW_MEM && echo "1g" || echo "4g";;
lnd) echo "512m";;
@@ -383,7 +383,7 @@ if ! $DOCKER ps --format '{{.Names}}' 2>/dev/null | grep -qE 'bitcoin-knots|arch
log " Small disk (${DISK_GB}GB) — enabling pruning"
else
BTC_EXTRA_ARGS="-txindex=1"
BTC_DBCACHE=4096
BTC_DBCACHE=2048
log " Large disk (${DISK_GB}GB) — enabling txindex"
fi
if $DOCKER run -d --name bitcoin-knots --restart unless-stopped \