confignode/src/assembly/resources/conf/iotdb-confignode.properties - iotdb - Git at Google

 #
 # Licensed to the Apache Software Foundation (ASF) under one
 # or more contributor license agreements.  See the NOTICE file
 # distributed with this work for additional information
 # regarding copyright ownership.  The ASF licenses this file
 # to you 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.
 #

 ####################
 ### Startup configuration
 ####################


 # Used for cluster internal RPC communication.
 # Could set 0.0.0.0, 127.0.0.1(for local test) or ipv4 address.
 # Datatype: String
 internal_address=0.0.0.0


 # Used for cluster internal RPC communication
 # Datatype: int
 internal_port=22277


 # Used for ConfigNodeGroup's ConsensusLayer interior communication
 # Datatype: int
 consensus_port=22278


 # At least one running ConfigNode should be set for joining the cluster
 # Format: ip:port
 # where the ip should be consistent with the target ConfigNode's confignode_internal_address,
 # and the port should be consistent with the target ConfigNode's confignode_internal_port.
 # For the first ConfigNode to start, target_config_nodes points to its own internal_address:internal_port.
 # For other ConfigNodes that are started or restarted, target_config_nodes points to any running ConfigNode's internal_address:internal_port.
 # Notice: The ip for any target_config_node should never be 0.0.0.0
 # Datatype: String
 target_config_nodes=127.0.0.1:22277


 ####################
 ### Region configuration
 ####################


 # SchemaRegion consensus protocol type.
 # This parameter is unmodifiable after ConfigNode starts for the first time.
 # These consensus protocols are currently supported:
 # 1. org.apache.iotdb.consensus.standalone.StandAloneConsensus(Consensus patterns optimized specifically for single replica)
 # 2. org.apache.iotdb.consensus.ratis.RatisConsensus(Raft protocol)
 # Datatype: String
 # schema_region_consensus_protocol_class=org.apache.iotdb.consensus.standalone.StandAloneConsensus

 # The maximum number of SchemaRegion expected to be managed by each DataNode.
 # Notice: Since each StorageGroup requires at least one SchemaRegion to manage its schema,
 # this parameter doesn't limit the number of SchemaRegions when there are too many StorageGroups.
 # Datatype: Double
 # schema_region_per_data_node=1.0

 # DataRegion consensus protocol type.
 # This parameter is unmodifiable after ConfigNode starts for the first time.
 # These consensus protocols are currently supported:
 # 1. org.apache.iotdb.consensus.standalone.StandAloneConsensus(Consensus patterns optimized specifically for single replica)
 # 2. org.apache.iotdb.consensus.multileader.MultiLeaderConsensus(weak consistency, high performance)
 # 3. org.apache.iotdb.consensus.ratis.RatisConsensus(Raft protocol)
 # Datatype: String
 # data_region_consensus_protocol_class=org.apache.iotdb.consensus.standalone.StandAloneConsensus

 # The maximum number of DataRegion expected to be managed by each processor.
 # Notice: Since each StorageGroup requires at least two DataRegions to manage its data,
 # this parameter doesn't limit the number of DataRegions when there are too many StorageGroups.
 # Datatype: Double
 # data_region_per_processor=0.5

 # Region allocate strategy
 # These allocate strategies are currently supported:
 # 1. GREEDY(Default, when region is allocated, always choose the dataNode that has bean allocated the least regions)
 # 2. COPY_SET(Random replication according to wight calculated from number of regions on all online dataNodes, suitable for large clusters)
 # Datatype: String
 # region_allocate_strategy=GREEDY

 ####################
 ### PartitionSlot configuration
 ####################

 # All parameters in PartitionSlot configuration is unmodifiable after ConfigNode starts for the first time.
 # And these parameters should be consistent within the ConfigNodeGroup.


 # Number of SeriesPartitionSlots per StorageGroup
 # Datatype: int
 # series_partition_slot_num=10000


 # SeriesPartitionSlot executor class
 # These hashing algorithms are currently supported:
 # 1. BKDRHashExecutor(Default)
 # 2. APHashExecutor
 # 3. JSHashExecutor
 # 4. SDBMHashExecutor
 # Also, if you want to implement your own SeriesPartition executor, you can inherit the SeriesPartitionExecutor class and
 # modify this parameter to correspond to your Java class
 # Datatype: String
 # series_partition_executor_class=org.apache.iotdb.commons.partition.executor.hash.BKDRHashExecutor


 ####################
 ### StorageGroup configuration
 ####################

 # All parameters in StorageGroup configuration is unmodifiable after ConfigNode starts for the first time.
 # And these parameters should be consistent within the ConfigNodeGroup.


 # Default TTL for storage groups that are not set TTL by statements, in ms. If not set (default),
 # the TTL will be unlimited.
 # Notice: if this property is changed, previous created storage group which are not set TTL will
 # also be affected. And negative values are accepted, which means you can only insert future data.
 # Datatype: long
 # default_ttl=36000000


 # Time partition interval in milliseconds, default is equal to one day
 # Datatype: long
 # time_partition_interval_for_routing=86400000


 # Default number of SchemaRegion replicas
 # Datatype: int
 # schema_replication_factor=1


 # Default number of DataRegion replicas
 # Datatype: int
 # data_replication_factor=1


 ####################
 ### thrift rpc configuration
 ####################


 # this feature is under development, set this as false before it is done.
 # Datatype: boolean
 # rpc_thrift_compression_enable=false


 # if true, a snappy based compression method will be called before sending data by the network
 # Datatype: boolean
 # this feature is under development, set this as false before it is done.
 # rpc_advanced_compression_enable=false


 # Datatype: int
 # rpc_max_concurrent_client_num=65535


 # thrift max frame size, 512MB by default
 # Datatype: int
 # thrift_max_frame_size=536870912


 # thrift init buffer size
 # Datatype: int
 # thrift_init_buffer_size=1024


 # Thrift socket and connection timeout between raft nodes, in milliseconds.
 # Datatype: int
 # connection_timeout_ms=20000


 # selector thread (TAsyncClientManager) nums for async thread in a clientManager
 # Datatype: int
 # selector_thread_nums_of_client_manager=1


 ####################
 ### Directory configuration
 ####################


 # system dir
 # If this property is unset, system will save the data in the default relative path directory under the confignode folder(i.e., %CONFIGNODE_HOME%/data/system).
 # If it is absolute, system will save the data in exact location it points to.
 # If it is relative, system will save the data in the relative path directory it indicates under the confignode folder.
 # For windows platform
 # If its prefix is a drive specifier followed by "\\", or if its prefix is "\\\\", then the path is absolute. Otherwise, it is relative.
 # system_dir=data\\system
 # For Linux platform
 # If its prefix is "/", then the path is absolute. Otherwise, it is relative.
 # system_dir=data/system


 # consensus dir
 # If this property is unset, system will save the data in the default relative path directory under the confignode folder(i.e., %CONFIGNODE_HOME%/data/consensus).
 # If it is absolute, system will save the data in exact location it points to.
 # If it is relative, system will save the data in the relative path directory it indicates under the confignode folder.
 # Note: If data_dir is assigned an empty string(i.e.,zero-size), it will be handled as a relative path.
 # For windows platform
 # If its prefix is a drive specifier followed by "\\", or if its prefix is "\\\\", then the path is absolute. Otherwise, it is relative.
 # consensus_dir=data\\consensus
 # For Linux platform
 # If its prefix is "/", then the path is absolute. Otherwise, it is relative.
 # consensus_dir=data/consensus

 # UDF lib dir
 # If this property is unset, system will save the data in the default relative path directory under
 # the UDF folder(i.e., %CONFIGNODE_HOME%/ext/udf).
 #
 # If it is absolute, system will save the data in exact location it points to.
 # If it is relative, system will save the data in the relative path directory it indicates under the
 # UDF folder.
 # Note: If data_dir is assigned an empty string(i.e.,zero-size), it will be handled as a relative
 # path.
 #
 # For Window platform
 # If its prefix is a drive specifier followed by "\\", or if its prefix is "\\\\", then the path is
 # absolute. Otherwise, it is relative.
 # udf_lib_dir=ext\\udf
 #
 # For Linux platform
 # If its prefix is "/", then the path is absolute. Otherwise, it is relative.
 # udf_lib_dir=ext/udf


 # temporary lib dir
 # If this property is unset, system will save the data in the default relative path directory under
 # the UDF folder(i.e., %CONFIGNODE_HOME%/ext/temporary).
 #
 # If it is absolute, system will save the data in exact location it points to.
 # If it is relative, system will save the data in the relative path directory it indicates under the
 # UDF folder.
 # Note: If data_dir is assigned an empty string(i.e.,zero-size), it will be handled as a relative
 # path.
 #
 # For Window platform
 # If its prefix is a drive specifier followed by "\\", or if its prefix is "\\\\", then the path is
 # absolute. Otherwise, it is relative.
 # temporary_lib_dir=ext\\temporary
 #
 # For Linux platform
 # If its prefix is "/", then the path is absolute. Otherwise, it is relative.
 # temporary_lib_dir=ext/temporary


 ####################
 ### Procedure Configuration
 ####################


 # Default number of worker thread count
 # Datatype: int
 #procedure_core_worker_thread_size=4


 # Default time interval of completed procedure cleaner work in, time unit is second
 # Datatype: int
 #procedure_completed_clean_interval=30


 # Default ttl of completed procedure, time unit is second
 # Datatype: int
 #procedure_completed_evict_ttl=800

 ####################
 ### Heartbeat configuration
 ####################


 # The heartbeat interval in milliseconds, default is 1000ms
 # Datatype: long
 # heartbeat_interval=1000


 ####################
 ### Routing policy
 ####################


 # The routing policy of read/write requests
 # These routing policy are currently supported:
 # 1. leader(Default, routing to leader replica)
 # 2. greedy(Routing to replica with the lowest load, might cause read un-consistent)
 # Datatype: string
 # routing_policy=leader


 ####################
 ### Read configuration
 ####################


 # The read consistency level
 # These consistency levels are currently supported:
 # 1. strong(Default, read from the leader replica)
 # 2. weak(Read from a random replica)
 # Datatype: string
 # read_consistency_level=strong


 ####################
 ### Authorization Configuration
 ####################


 # which class to serve for authorization. By default, it is LocalFileAuthorizer.
 # Another choice is org.apache.iotdb.db.auth.authorizer.OpenIdAuthorizer
 # authorizer_provider_class=org.apache.iotdb.commons.auth.authorizer.LocalFileAuthorizer

 # If OpenIdAuthorizer is enabled, then openID_url must be set.
 # openID_url=

 # admin username, default is root
 # Datatype: string
 # admin_name=root

 # encryption provider class
 # iotdb_server_encrypt_decrypt_provider=org.apache.iotdb.commons.security.encrypt.MessageDigestEncrypt

 # encryption provided class parameter
 # iotdb_server_encrypt_decrypt_provider_parameter=

 # admin password, default is root
 # Datatype: string
 # admin_password=root


 ####################
 ### RatisConsensus Configuration
 ####################

 # max payload size for a single log-sync-RPC from leader to follower
 # partition_region_ratis_log_appender_buffer_size_max = 4194304
 # schema_region_ratis_log_appender_buffer_size_max = 4194304
 # data_region_ratis_log_appender_buffer_size_max = 4194304

 # trigger a snapshot when ratis_snapshot_trigger_threshold logs are written
 # partition_region_ratis_snapshot_trigger_threshold = 400000
 # schema_region_ratis_snapshot_trigger_threshold = 400000
 # data_region_ratis_snapshot_trigger_threshold = 400000

 # allow flushing Raft Log asynchronously
 # partition_region_ratis_log_unsafe_flush_enable = false
 # schema_region_ratis_log_unsafe_flush_enable = false
 # data_region_ratis_log_unsafe_flush_enable = false

 # max capacity of a single Raft Log segment (by default 24MB)
 # partition_region_ratis_log_segment_size_max = 25165824
 # schema_region_ratis_log_segment_size_max = 25165824
 # data_region_ratis_log_segment_size_max = 25165824

 # flow control window for ratis grpc log appender
 # partition_region_ratis_grpc_flow_control_window = 4194304
 # schema_region_ratis_grpc_flow_control_window = 4194304
 # data_region_ratis_grpc_flow_control_window = 4194304

 # min election timeout for leader election
 # partition_region_ratis_rpc_leader_election_timeout_min_ms = 2000
 # schema_region_ratis_rpc_leader_election_timeout_min_ms = 2000
 # data_region_ratis_rpc_leader_election_timeout_min_ms = 2000

 # max election timeout for leader election
 # partition_region_ratis_rpc_leader_election_timeout_max_ms = 4000
 # schema_region_ratis_rpc_leader_election_timeout_max_ms = 4000
 # data_region_ratis_rpc_leader_election_timeout_max_ms = 4000

 ####################
 ### Disk Monitor
 ####################


 # Disk remaining threshold at which DataNode is set to ReadOnly status
 # Datatype: double(percentage)
 # disk_space_warning_threshold=5.0
	#
	# Licensed to the Apache Software Foundation (ASF) under one
	# or more contributor license agreements. See the NOTICE file
	# distributed with this work for additional information
	# regarding copyright ownership. The ASF licenses this file
	# to you 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.
	#

	####################
	### Startup configuration
	####################


	# Used for cluster internal RPC communication.
	# Could set 0.0.0.0, 127.0.0.1(for local test) or ipv4 address.
	# Datatype: String
	internal_address=0.0.0.0


	# Used for cluster internal RPC communication
	# Datatype: int
	internal_port=22277


	# Used for ConfigNodeGroup's ConsensusLayer interior communication
	# Datatype: int
	consensus_port=22278


	# At least one running ConfigNode should be set for joining the cluster
	# Format: ip:port
	# where the ip should be consistent with the target ConfigNode's confignode_internal_address,
	# and the port should be consistent with the target ConfigNode's confignode_internal_port.
	# For the first ConfigNode to start, target_config_nodes points to its own internal_address:internal_port.
	# For other ConfigNodes that are started or restarted, target_config_nodes points to any running ConfigNode's internal_address:internal_port.
	# Notice: The ip for any target_config_node should never be 0.0.0.0
	# Datatype: String
	target_config_nodes=127.0.0.1:22277


	####################
	### Region configuration
	####################


	# SchemaRegion consensus protocol type.
	# This parameter is unmodifiable after ConfigNode starts for the first time.
	# These consensus protocols are currently supported:
	# 1. org.apache.iotdb.consensus.standalone.StandAloneConsensus(Consensus patterns optimized specifically for single replica)
	# 2. org.apache.iotdb.consensus.ratis.RatisConsensus(Raft protocol)
	# Datatype: String
	# schema_region_consensus_protocol_class=org.apache.iotdb.consensus.standalone.StandAloneConsensus

	# The maximum number of SchemaRegion expected to be managed by each DataNode.
	# Notice: Since each StorageGroup requires at least one SchemaRegion to manage its schema,
	# this parameter doesn't limit the number of SchemaRegions when there are too many StorageGroups.
	# Datatype: Double
	# schema_region_per_data_node=1.0

	# DataRegion consensus protocol type.
	# This parameter is unmodifiable after ConfigNode starts for the first time.
	# These consensus protocols are currently supported:
	# 1. org.apache.iotdb.consensus.standalone.StandAloneConsensus(Consensus patterns optimized specifically for single replica)
	# 2. org.apache.iotdb.consensus.multileader.MultiLeaderConsensus(weak consistency, high performance)
	# 3. org.apache.iotdb.consensus.ratis.RatisConsensus(Raft protocol)
	# Datatype: String
	# data_region_consensus_protocol_class=org.apache.iotdb.consensus.standalone.StandAloneConsensus

	# The maximum number of DataRegion expected to be managed by each processor.
	# Notice: Since each StorageGroup requires at least two DataRegions to manage its data,
	# this parameter doesn't limit the number of DataRegions when there are too many StorageGroups.
	# Datatype: Double
	# data_region_per_processor=0.5

	# Region allocate strategy
	# These allocate strategies are currently supported:
	# 1. GREEDY(Default, when region is allocated, always choose the dataNode that has bean allocated the least regions)
	# 2. COPY_SET(Random replication according to wight calculated from number of regions on all online dataNodes, suitable for large clusters)
	# Datatype: String
	# region_allocate_strategy=GREEDY

	####################
	### PartitionSlot configuration
	####################

	# All parameters in PartitionSlot configuration is unmodifiable after ConfigNode starts for the first time.
	# And these parameters should be consistent within the ConfigNodeGroup.


	# Number of SeriesPartitionSlots per StorageGroup
	# Datatype: int
	# series_partition_slot_num=10000


	# SeriesPartitionSlot executor class
	# These hashing algorithms are currently supported:
	# 1. BKDRHashExecutor(Default)
	# 2. APHashExecutor
	# 3. JSHashExecutor
	# 4. SDBMHashExecutor
	# Also, if you want to implement your own SeriesPartition executor, you can inherit the SeriesPartitionExecutor class and
	# modify this parameter to correspond to your Java class
	# Datatype: String
	# series_partition_executor_class=org.apache.iotdb.commons.partition.executor.hash.BKDRHashExecutor


	####################
	### StorageGroup configuration
	####################

	# All parameters in StorageGroup configuration is unmodifiable after ConfigNode starts for the first time.
	# And these parameters should be consistent within the ConfigNodeGroup.


	# Default TTL for storage groups that are not set TTL by statements, in ms. If not set (default),
	# the TTL will be unlimited.
	# Notice: if this property is changed, previous created storage group which are not set TTL will
	# also be affected. And negative values are accepted, which means you can only insert future data.
	# Datatype: long
	# default_ttl=36000000


	# Time partition interval in milliseconds, default is equal to one day
	# Datatype: long
	# time_partition_interval_for_routing=86400000


	# Default number of SchemaRegion replicas
	# Datatype: int
	# schema_replication_factor=1


	# Default number of DataRegion replicas
	# Datatype: int
	# data_replication_factor=1


	####################
	### thrift rpc configuration
	####################


	# this feature is under development, set this as false before it is done.
	# Datatype: boolean
	# rpc_thrift_compression_enable=false


	# if true, a snappy based compression method will be called before sending data by the network
	# Datatype: boolean
	# this feature is under development, set this as false before it is done.
	# rpc_advanced_compression_enable=false


	# Datatype: int
	# rpc_max_concurrent_client_num=65535


	# thrift max frame size, 512MB by default
	# Datatype: int
	# thrift_max_frame_size=536870912


	# thrift init buffer size
	# Datatype: int
	# thrift_init_buffer_size=1024


	# Thrift socket and connection timeout between raft nodes, in milliseconds.
	# Datatype: int
	# connection_timeout_ms=20000


	# selector thread (TAsyncClientManager) nums for async thread in a clientManager
	# Datatype: int
	# selector_thread_nums_of_client_manager=1


	####################
	### Directory configuration
	####################


	# system dir
	# If this property is unset, system will save the data in the default relative path directory under the confignode folder(i.e., %CONFIGNODE_HOME%/data/system).
	# If it is absolute, system will save the data in exact location it points to.
	# If it is relative, system will save the data in the relative path directory it indicates under the confignode folder.
	# For windows platform
	# If its prefix is a drive specifier followed by "\\", or if its prefix is "\\\\", then the path is absolute. Otherwise, it is relative.
	# system_dir=data\\system
	# For Linux platform
	# If its prefix is "/", then the path is absolute. Otherwise, it is relative.
	# system_dir=data/system


	# consensus dir
	# If this property is unset, system will save the data in the default relative path directory under the confignode folder(i.e., %CONFIGNODE_HOME%/data/consensus).
	# If it is absolute, system will save the data in exact location it points to.
	# If it is relative, system will save the data in the relative path directory it indicates under the confignode folder.
	# Note: If data_dir is assigned an empty string(i.e.,zero-size), it will be handled as a relative path.
	# For windows platform
	# If its prefix is a drive specifier followed by "\\", or if its prefix is "\\\\", then the path is absolute. Otherwise, it is relative.
	# consensus_dir=data\\consensus
	# For Linux platform
	# If its prefix is "/", then the path is absolute. Otherwise, it is relative.
	# consensus_dir=data/consensus

	# UDF lib dir
	# If this property is unset, system will save the data in the default relative path directory under
	# the UDF folder(i.e., %CONFIGNODE_HOME%/ext/udf).
	#
	# If it is absolute, system will save the data in exact location it points to.
	# If it is relative, system will save the data in the relative path directory it indicates under the
	# UDF folder.
	# Note: If data_dir is assigned an empty string(i.e.,zero-size), it will be handled as a relative
	# path.
	#
	# For Window platform
	# If its prefix is a drive specifier followed by "\\", or if its prefix is "\\\\", then the path is
	# absolute. Otherwise, it is relative.
	# udf_lib_dir=ext\\udf
	#
	# For Linux platform
	# If its prefix is "/", then the path is absolute. Otherwise, it is relative.
	# udf_lib_dir=ext/udf


	# temporary lib dir
	# If this property is unset, system will save the data in the default relative path directory under
	# the UDF folder(i.e., %CONFIGNODE_HOME%/ext/temporary).
	#
	# If it is absolute, system will save the data in exact location it points to.
	# If it is relative, system will save the data in the relative path directory it indicates under the
	# UDF folder.
	# Note: If data_dir is assigned an empty string(i.e.,zero-size), it will be handled as a relative
	# path.
	#
	# For Window platform
	# If its prefix is a drive specifier followed by "\\", or if its prefix is "\\\\", then the path is
	# absolute. Otherwise, it is relative.
	# temporary_lib_dir=ext\\temporary
	#
	# For Linux platform
	# If its prefix is "/", then the path is absolute. Otherwise, it is relative.
	# temporary_lib_dir=ext/temporary


	####################
	### Procedure Configuration
	####################


	# Default number of worker thread count
	# Datatype: int
	#procedure_core_worker_thread_size=4


	# Default time interval of completed procedure cleaner work in, time unit is second
	# Datatype: int
	#procedure_completed_clean_interval=30


	# Default ttl of completed procedure, time unit is second
	# Datatype: int
	#procedure_completed_evict_ttl=800

	####################
	### Heartbeat configuration
	####################


	# The heartbeat interval in milliseconds, default is 1000ms
	# Datatype: long
	# heartbeat_interval=1000


	####################
	### Routing policy
	####################


	# The routing policy of read/write requests
	# These routing policy are currently supported:
	# 1. leader(Default, routing to leader replica)
	# 2. greedy(Routing to replica with the lowest load, might cause read un-consistent)
	# Datatype: string
	# routing_policy=leader


	####################
	### Read configuration
	####################


	# The read consistency level
	# These consistency levels are currently supported:
	# 1. strong(Default, read from the leader replica)
	# 2. weak(Read from a random replica)
	# Datatype: string
	# read_consistency_level=strong


	####################
	### Authorization Configuration
	####################


	# which class to serve for authorization. By default, it is LocalFileAuthorizer.
	# Another choice is org.apache.iotdb.db.auth.authorizer.OpenIdAuthorizer
	# authorizer_provider_class=org.apache.iotdb.commons.auth.authorizer.LocalFileAuthorizer

	# If OpenIdAuthorizer is enabled, then openID_url must be set.
	# openID_url=

	# admin username, default is root
	# Datatype: string
	# admin_name=root

	# encryption provider class
	# iotdb_server_encrypt_decrypt_provider=org.apache.iotdb.commons.security.encrypt.MessageDigestEncrypt

	# encryption provided class parameter
	# iotdb_server_encrypt_decrypt_provider_parameter=

	# admin password, default is root
	# Datatype: string
	# admin_password=root


	####################
	### RatisConsensus Configuration
	####################

	# max payload size for a single log-sync-RPC from leader to follower
	# partition_region_ratis_log_appender_buffer_size_max = 4194304
	# schema_region_ratis_log_appender_buffer_size_max = 4194304
	# data_region_ratis_log_appender_buffer_size_max = 4194304

	# trigger a snapshot when ratis_snapshot_trigger_threshold logs are written
	# partition_region_ratis_snapshot_trigger_threshold = 400000
	# schema_region_ratis_snapshot_trigger_threshold = 400000
	# data_region_ratis_snapshot_trigger_threshold = 400000

	# allow flushing Raft Log asynchronously
	# partition_region_ratis_log_unsafe_flush_enable = false
	# schema_region_ratis_log_unsafe_flush_enable = false
	# data_region_ratis_log_unsafe_flush_enable = false

	# max capacity of a single Raft Log segment (by default 24MB)
	# partition_region_ratis_log_segment_size_max = 25165824
	# schema_region_ratis_log_segment_size_max = 25165824
	# data_region_ratis_log_segment_size_max = 25165824

	# flow control window for ratis grpc log appender
	# partition_region_ratis_grpc_flow_control_window = 4194304
	# schema_region_ratis_grpc_flow_control_window = 4194304
	# data_region_ratis_grpc_flow_control_window = 4194304

	# min election timeout for leader election
	# partition_region_ratis_rpc_leader_election_timeout_min_ms = 2000
	# schema_region_ratis_rpc_leader_election_timeout_min_ms = 2000
	# data_region_ratis_rpc_leader_election_timeout_min_ms = 2000

	# max election timeout for leader election
	# partition_region_ratis_rpc_leader_election_timeout_max_ms = 4000
	# schema_region_ratis_rpc_leader_election_timeout_max_ms = 4000
	# data_region_ratis_rpc_leader_election_timeout_max_ms = 4000

	####################
	### Disk Monitor
	####################


	# Disk remaining threshold at which DataNode is set to ReadOnly status
	# Datatype: double(percentage)
	# disk_space_warning_threshold=5.0