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Set ZFS ARC max/min before importing zpool #9711

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Nov 5, 2024
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Set ZFS ARC max/min before importing zpool #9711

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12 changes: 7 additions & 5 deletions charts/hedera-mirror-common/templates/zfs/configmap-init.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -194,6 +194,13 @@ data:
echo "Configuring zpool ${POOL}"
partprobe

ARC_SIZE_GB="${ARC_SIZE_GB:-2}"
echo "Configuring arc max to ${ARC_SIZE_GB}GB and arc min to 1/4 of max"
ARC_MAX="$((ARC_SIZE_GB*1073741824))"
ARC_MIN="$((ARC_MAX/4))"
echo $ARC_MIN >> /sys/module/zfs/parameters/zfs_arc_min
echo $ARC_MAX >> /sys/module/zfs/parameters/zfs_arc_max

if (zfs list | grep -q "${POOL}"); then
echo "Found existing pool. Skipping creation"
elif (zpool create -o autoexpand=on "${POOL}" /dev/sdb); then
Expand Down Expand Up @@ -235,11 +242,6 @@ data:
echo "No L2 cache device specified. Skipping ..."
fi

ARC_SIZE_GB="${ARC_SIZE_GB:-2}"
echo "Configuring arc to ${ARC_SIZE_GB}GB"
ARC_SIZE="$((ARC_SIZE_GB*1073741824))"
echo $ARC_SIZE >> /sys/module/zfs/parameters/zfs_arc_max

zfs set primarycache=metadata xattr=sa "${POOL}"
zpool set autoexpand=on "${POOL}"
zpool online -e "${POOL}" /dev/sdb
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