Version: current [25.x]

Configuring via dremio-env

This topic describes how to configure Dremio, in particular, what properties you need to modify in the dremio-env file and how to accomplish it.

note

The dremio-env file uses the HOCON syntax.

This topic covers following:

Template for dremio-env

#
# Copyright (C) 2017-2018 Dremio Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

#
# Dremio environment variables used by Dremio daemon
#

#
# Directory where Dremio logs are written
# Default to $DREMIO_HOME/log
#
#DREMIO_LOG_DIR=${DREMIO_HOME}/log

#
# Send logs to console and not to log files. The DREMIO_LOG_DIR is ignored if set.
#
#DREMIO_LOG_TO_CONSOLE=1

#
# Directory where Dremio pidfiles are written
# Default to $DREMIO_HOME/run
#
#DREMIO_PID_DIR=${DREMIO_HOME}/run

#
# Max total memory size (in MB) for the Dremio process
#
# If not set, default to using max heap and max direct.
#
# If both max heap and max direct are set, this is not used
# If one is set, the other is calculated as difference
# of max memory and the one that is set.
#
#DREMIO_MAX_MEMORY_SIZE_MB=

#
# Max heap memory size (in MB) for the Dremio process
#
# Default to 4096 for server
#
#DREMIO_MAX_HEAP_MEMORY_SIZE_MB=4096

#
# Max direct memory size (in MB) for the Dremio process
#
# Default to 8192 for server
#
#DREMIO_MAX_DIRECT_MEMORY_SIZE_MB=8192

#
# Max permanent generation memory size (in MB) for the Dremio process
# (Only used for Java 7)
#
# Default to 512 for server
#
#DREMIO_MAX_PERMGEN_MEMORY_SIZE_MB=512

#
# Garbage collection logging is enabled by default. Set the following
# parameter to "no" to disable garbage collection logging.
#
#DREMIO_GC_LOGS_ENABLED="yes"

#
# Send GC logs to console and not to log files. The DREMIO_LOG_DIR is ignored if set.
# Default is set to "no"
#
#DREMIO_GC_LOG_TO_CONSOLE="no"

#
# Specifies the Java garbage collector used by Dremio. By default,
# Dremio uses G1 GC (-XX:+UseG1GC). Dremio also supports the
# parallel garbage collector (-XX:+UseParallelGC).
#
#DREMIO_GC_OPTS="-XX:+UseG1GC"

#
# The scheduling priority for the server
#
# Default to 0
#
# DREMIO_NICENESS=0
#

#
# Number of seconds after which the server is killed forcibly if it hasn't stopped
#
# Default to 120
#
#DREMIO_STOP_TIMEOUT=120

# Extra Java options - shared between dremio and dremio-admin commands
#
#DREMIO_JAVA_EXTRA_OPTS=

# Extra Java options - client only (dremio-admin command)
#
#DREMIO_JAVA_CLIENT_EXTRA_OPTS=

# Extra Java options - server only (dremio command)
#
#DREMIO_JAVA_SERVER_EXTRA_OPTS=

Template for dremio-env​

Template for dremio-env