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Set Valkey memory and eviction defaults #9602

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Merged
michelroegl-brunner merged 2 commits into from
Dec 2, 2025
Merged

Set Valkey memory and eviction defaults #9602

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b2cf9e1
test memory tuning
pshankinclarke Dec 2, 2025
dce557d
revert urls to upstream
pshankinclarke Dec 2, 2025
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12 changes: 12 additions & 0 deletions install/valkey-install.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -17,10 +17,22 @@ msg_info "Installing Valkey"
$STD apt update
$STD apt install -y valkey openssl
sed -i 's/^bind .*/bind 0.0.0.0/' /etc/valkey/valkey.conf

PASS="$(openssl rand -base64 48 | tr -dc 'a-zA-Z0-9' | head -c32)"
echo "requirepass $PASS" >> /etc/valkey/valkey.conf
echo "$PASS" >~/valkey.creds
chmod 600 ~/valkey.creds

MEMTOTAL_MB=$(free -m | grep ^Mem: | awk '{print $2}')
# reserve 25% of a node type's maxmemory value for system use
MAXMEMORY_MB=$((MEMTOTAL_MB * 75 / 100))

echo "" >> /etc/valkey/valkey.conf
echo "# Memory-optimized settings for small-scale deployments" >> /etc/valkey/valkey.conf
echo "maxmemory ${MAXMEMORY_MB}mb" >> /etc/valkey/valkey.conf
echo "maxmemory-policy allkeys-lru" >> /etc/valkey/valkey.conf
echo "maxmemory-samples 10" >> /etc/valkey/valkey.conf

systemctl enable -q --now valkey-server
systemctl restart valkey-server
msg_ok "Installed Valkey"
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