Datomic config

datomic.conf

#! /bin/sh
### BEGIN INIT INFO
# Provides:           datomic
# Short-Description:  Start datomic transactor
### END INIT INFO
#
# Copyright (c) Vital Reactor LLC
#
# description: starts up datomic transactor in fixed location
env PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:$PATH
env HOME=/opt/xn_apps
env DAEMON=/opt/datomic/current/bin/transactor
# If you want custom Xmx or Xms values, set them before the property file like so:
#env DAEMON_OPTS='-Xmx4g /etc/datomic/transactor.properties'
env DAEMON_OPTS='/etc/datomic/transactor.properties'
env DESC=DatomicTransactor
env APPDIR=/opt/xn_apps

env enabled=1

setuid root
setgid root

exec test -x $DAEMON || echo "$DESC Already running" && exit 1
description "$DESC"

start on runlevel [2345]
stop on runlevel [!2345]

respawn
respawn limit 10 5

pre-start script
        if [ ! -d "$APPDIR" ]; then
                mkdir -p $APPDIR
        fi
end script

script
        $DAEMON $DAEMON_OPTS >> /var/log/datomic.log 2>&1
end script

transactor.properties

########### free mode config ###############
protocol=free
host=localhost
#free mode will use 3 ports starting with this one:
port=4334

## OPTIONAL ####################################################
# The dev: and free: protocols typically use three ports
# starting with the selected :port, but you can specify the
# other ports explicitly, e.g. for virtualization environs
# that do not issue contiguous ports.

# h2-port=4335
# h2-web-port=4336

################################################################
# See http://docs.datomic.com/capacity.html

# Recommended settings for -Xmx4g production usage.
# memory-index-threshold=32m
# memory-index-max=512m
# object-cache-max=1g

# Recommended settings for -Xmx1g usage, e.g. dev laptops.
memory-index-threshold=32m
memory-index-max=256m
object-cache-max=128m

## OPTIONAL ####################################################

# Set to false to disable SSL between the peers and the transactor.
# Default: true
encrypt-channel=false

# Data directory is used for dev: and free: storage, and
# as a temporary directory for all storages.
data-dir=/opt/xn_apps/datomic.data

# Transactor will log here, see bin/logback.xml to configure logging.
log-dir=/opt/xn_apps/datomic.log

# Transactor will write process pid here on startup
pid-file=/opt/xn_apps/datomic.pid

## OPTIONAL ####################################################
# See http://docs.datomic.com/capacity.html

# Soft limit on the number of concurrent writes to storage.
# Default: 4, Miniumum: 2
# write-concurrency=4

# Soft limit on the number of concurrent reads to storage.
# Default: 2 times write-concurrency, Miniumum: 2
# read-concurrency=8