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Posted to commits@iotdb.apache.org by xi...@apache.org on 2022/12/23 08:25:36 UTC
[iotdb] 02/02: format apply
This is an automated email from the ASF dual-hosted git repository.
xiangweiwei pushed a commit to branch memoryDistribution
in repository https://gitbox.apache.org/repos/asf/iotdb.git
commit 6aedc05c1d1a6cd811f75dc2088e690688cde2c9
Author: Alima777 <wx...@gmail.com>
AuthorDate: Fri Dec 23 16:25:19 2022 +0800
format apply
---
.../resources/conf/iotdb-common.properties | 230 +++++++++++++++++++++
1 file changed, 230 insertions(+)
diff --git a/node-commons/src/assembly/resources/conf/iotdb-common.properties b/node-commons/src/assembly/resources/conf/iotdb-common.properties
index 6a3afa00f3..abbdda959a 100644
--- a/node-commons/src/assembly/resources/conf/iotdb-common.properties
+++ b/node-commons/src/assembly/resources/conf/iotdb-common.properties
@@ -15,9 +15,11 @@
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
+
####################
### Replication configuration
####################
+
# ConfigNode consensus protocol type.
# This parameter is unmodifiable after ConfigNode starts for the first time.
# These consensus protocols are currently supported:
@@ -25,10 +27,12 @@
# 2. org.apache.iotdb.consensus.simple.SimpleConsensus
# Datatype: string
# config_node_consensus_protocol_class=org.apache.iotdb.consensus.ratis.RatisConsensus
+
# Default number of schema replicas
# Can not be changed after the first start
# Datatype: int
# schema_replication_factor=1
+
# SchemaRegion consensus protocol type.
# This parameter is unmodifiable after ConfigNode starts for the first time.
# These consensus protocols are currently supported:
@@ -36,10 +40,12 @@
# 2. org.apache.iotdb.consensus.simple.SimpleConsensus
# Datatype: string
# schema_region_consensus_protocol_class=org.apache.iotdb.consensus.ratis.RatisConsensus
+
# Default number of data replicas
# Can not be changed after the first start
# Datatype: int
# data_replication_factor=1
+
# DataRegion consensus protocol type.
# This parameter is unmodifiable after ConfigNode starts for the first time.
# These consensus protocols are currently supported:
@@ -48,14 +54,17 @@
# 3. org.apache.iotdb.consensus.ratis.RatisConsensus
# Datatype: string
# data_region_consensus_protocol_class=org.apache.iotdb.consensus.iot.IoTConsensus
+
####################
### Load balancing configuration
####################
+
# All parameters in Partition configuration is unmodifiable after ConfigNode starts for the first time.
# And these parameters should be consistent within the ConfigNodeGroup.
# Number of SeriesPartitionSlots per Database
# Datatype: Integer
# series_slot_num=10000
+
# SeriesPartitionSlot executor class
# These hashing algorithms are currently supported:
# 1. BKDRHashExecutor(Default)
@@ -66,49 +75,61 @@
# modify this parameter to correspond to your Java class
# Datatype: String
# series_partition_executor_class=org.apache.iotdb.commons.partition.executor.hash.BKDRHashExecutor
+
+
# The maximum number of SchemaRegions expected to be managed by each DataNode.
# Notice: Since each Database requires at least one SchemaRegionGroup to manage its schema,
# this parameter doesn't limit the number of SchemaRegions when there are too many Databases.
# Default is equal to the schema_replication_factor.
# Datatype: Double
# schema_region_per_data_node=1.0
+
# The policy of extension SchemaRegionGroup for each Database.
# These policies are currently supported:
# 1. CUSTOM(Each Database will allocate schema_region_group_per_database RegionGroups as soon as created)
# 2. AUTO(Each Database will automatically extend SchemaRegionGroups based on the data it has)
# Datatype: String
# schema_region_group_extension_policy=AUTO
+
# The number of SchemaRegionGroups for each Database when using CUSTOM schema_region_group_extension_policy.
# Notice: Each Database will allocate schema_region_group_per_database SchemaRegionGroups as soon as created.
# Datatype: Integer
# schema_region_group_per_database=1
+
# The policy of extension DataRegionGroup for each Database.
# These policies are currently supported:
# 1. CUSTOM(Each Database will allocate data_region_group_per_database DataRegionGroups as soon as created)
# 2. AUTO(Each Database will automatically extend DataRegionGroups based on the data it has)
# Datatype: String
# data_region_group_extension_policy=AUTO
+
# The number of DataRegionGroups for each Database when using CUSTOM data_region_group_extension_policy.
# Notice: Each Database will allocate data_region_group_per_database DataRegionGroups as soon as created.
# Datatype: Integer
# data_region_group_per_database=1
+
# The maximum number of DataRegions expected to be managed by each processor
# when using AUTO data_region_group_extension_policy.
# Notice: Since each Database requires at least two DataRegionGroups to manage its data,
# this parameter doesn't limit the number of DataRegions when there are too many Databases.
# Datatype: Double
# data_region_per_processor=1.0
+
# The least number of DataRegionGroup for each StorageGroup.
# The ConfigNode-leader will create a DataRegionGroup for each newborn SeriesPartitionSlot
# for the newly created StorageGroup until the number of DataRegionGroup is equal to this parameter.
# Notice: In order to ensure the efficiency of concurrent write, this parameter should greater than 1.
# Datatype: int
# least_data_region_group_num=5
+
+
# Whether to enable the DataPartition inherit policy.
# DataPartition within the same SeriesPartitionSlot will inherit
# the allocation result of the previous TimePartitionSlot if set true
# Datatype: Boolean
# enable_data_partition_inherit_policy=false
+
+
# The policy of cluster RegionGroups' leader distribution.
# E.g. we should balance cluster RegionGroups' leader distribution when some DataNodes are shutdown or re-connected.
# These policies are currently supported:
@@ -116,230 +137,296 @@
# 2. MIN_COST_FLOW(Default, distribute leader through min cost flow algorithm)
# Datatype: String
# leader_distribution_policy=MIN_COST_FLOW
+
# Whether to enable auto leader balance for Ratis consensus protocol.
# The ConfigNode-leader will balance the leader of Ratis-RegionGroups by leader_distribution_policy if set true.
# Notice: Default is false because the Ratis is unstable for this function.
# Datatype: Boolean
# enable_auto_leader_balance_for_ratis_consensus=false
+
# Whether to enable auto leader balance for IoTConsensus protocol.
# The ConfigNode-leader will balance the leader of IoTConsensus-RegionGroups by leader_distribution_policy if set true.
# Notice: Default is true because the IoTConsensus depends on this function to distribute leader.
# Datatype: Boolean
# enable_auto_leader_balance_for_iot_consensus=true
+
####################
### Cluster management
####################
+
# Time partition interval in milliseconds, and partitioning data inside each data region, default is equal to one week
# Can not be changed after the first start
# Datatype: long
# time_partition_interval=604800000
+
# The heartbeat interval in milliseconds, default is 1000ms
# Datatype: long
# heartbeat_interval_in_ms=1000
+
# Disk remaining threshold at which DataNode is set to ReadOnly status
# Datatype: double(percentage)
# disk_space_warning_threshold=0.05
+
####################
### Memory Control Configuration
####################
+
# Whether to enable memory control
# Datatype: boolean
# enable_mem_control=true
+
# Memory Allocation Ratio: StorageEngine, QueryEngine, SchemaEngine, Consensus and Free Memory.
# The parameter form is a:b:c:d:e, where a, b, c, d and e are integers. for example: 1:1:1:1:1 , 6:2:1:1:1
# If you have high level of writing pressure and low level of reading pressure, please adjust it to for example 6:1:1:1:2
# storage_query_schema_consensus_free_memory_proportion=3:3:1:1:2
+
# Schema Memory Allocation Ratio: SchemaRegion, SchemaCache, PartitionCache and LastCache.
# The parameter form is a:b:c:d, where a, b, c and d are integers. for example: 1:1:1:1 , 6:2:1:1
# In cluster mode, we recommend 5:3:1:1. In standalone mode, we recommend 8:1:0:1
# schema_memory_allocate_proportion=5:3:1:1
+
# Memory allocation ratio in StorageEngine: Write, Compaction
# The parameter form is a:b:c:d, where a, b, c and d are integers. for example: 8:2 , 7:3
# storage_engine_memory_proportion=8:2
+
# Memory allocation ratio in writing: Memtable, TimePartitionInfo
# Memtable is the total memory size of all memtables
# TimePartitionInfo is the total memory size of last flush time of all data regions
# write_memory_proportion=19:1
+
# Max number of concurrent writing time partitions in one database
# This parameter is used to control total memTable number when memory control is disabled
# The max number of memTable is 4 * concurrent_writing_time_partition * database number
# Datatype: long
# concurrent_writing_time_partition=1
+
# primitive array size (length of each array) in array pool
# Datatype: int
# primitive_array_size=64
+
# size proportion for chunk metadata maintains in memory when writing tsfile
# Datatype: double
# chunk_metadata_size_proportion=0.1
+
# Ratio of write memory for invoking flush disk, 0.4 by default
# If you have extremely high write load (like batch=1000), it can be set lower than the default value like 0.2
# Datatype: double
# flush_proportion=0.4
+
# Ratio of write memory allocated for buffered arrays, 0.6 by default
# Datatype: double
# buffered_arrays_memory_proportion=0.6
+
# Ratio of write memory for rejecting insertion, 0.8 by default
# If you have extremely high write load (like batch=1000) and the physical memory size is large enough,
# it can be set higher than the default value like 0.9
# Datatype: double
# reject_proportion=0.8
+
# If memory cost of data region increased more than proportion of allocated memory for write, report to system. The default value is 0.001
# Datatype: double
# write_memory_variation_report_proportion=0.001
+
# When an inserting is rejected, waiting period (in ms) to check system again, 50 by default.
# If the insertion has been rejected and the read load is low, it can be set larger.
# Datatype: int
# check_period_when_insert_blocked=50
+
# size of ioTaskQueue. The default value is 10
# Datatype: int
# io_task_queue_size_for_flushing=10
+
# If true, we will estimate each query's possible memory footprint before executing it and deny it if its estimated memory exceeds current free memory
# Datatype: bool
# enable_query_memory_estimation=true
+
####################
### Schema Engine Configuration
####################
+
# thread pool size for read operation in DataNode's coordinator.
# Datatype: int
# coordinator_read_executor_size=20
+
# thread pool size for write operation in DataNode's coordinator.
# Datatype: int
# coordinator_write_executor_size=50
+
# cache size for partition.
# This cache is used to improve partition fetch from config node.
# Datatype: int
# partition_cache_size=1000
+
# Size of log buffer in each metadata operation plan(in byte).
# If the size of a metadata operation plan is larger than this parameter, then it will be rejected by SchemaRegion
# If it sets a value smaller than 0, use the default value 1024*1024
# Datatype: int
# mlog_buffer_size=1048576
+
# The cycle when metadata log is periodically forced to be written to disk(in milliseconds)
# If sync_mlog_period_in_ms=0 it means force metadata log to be written to disk after each refreshment
# Set this parameter to 0 may slow down the operation on slow disk.
# sync_mlog_period_in_ms=100
+
# interval num for tag and attribute records when force flushing to disk
# When a certain amount of tag and attribute records is reached, they will be force flushed to disk
# It is possible to lose at most tag_attribute_flush_interval records
# tag_attribute_flush_interval=1000
+
# max size for tag and attribute of one time series
# the unit is byte
# Datatype: int
# tag_attribute_total_size=700
+
# max measurement num of internal request
# When creating timeseries with Session.createMultiTimeseries, the user input plan, the timeseries num of
# which exceeds this num, will be split to several plans with timeseries no more than this num.
# max_measurement_num_of_internal_request=10000
+
####################
### Configurations for creating schema automatically
####################
+
# Whether creating schema automatically is enabled
# If true, then create database and timeseries automatically when not exists in insertion
# Or else, user need to create database and timeseries before insertion.
# Datatype: boolean
# enable_auto_create_schema=true
+
# Database level when creating schema automatically is enabled
# e.g. root.sg0.d1.s2
# we will set root.sg0 as the database if database level is 1
# Datatype: int
# default_storage_group_level=1
+
# ALL data types: BOOLEAN, INT32, INT64, FLOAT, DOUBLE, TEXT
+
# register time series as which type when receiving boolean string "true" or "false"
# Datatype: TSDataType
# boolean_string_infer_type=BOOLEAN
+
# register time series as which type when receiving an integer string "67"
# Datatype: TSDataType
# integer_string_infer_type=FLOAT
+
# register time series as which type when receiving an integer string and using float may lose precision
# num > 2 ^ 24
# Datatype: TSDataType
# long_string_infer_type=DOUBLE
+
# register time series as which type when receiving a floating number string "6.7"
# Datatype: TSDataType
# floating_string_infer_type=FLOAT
+
# register time series as which type when receiving the Literal NaN. Values can be DOUBLE, FLOAT or TEXT
# Datatype: TSDataType
# nan_string_infer_type=DOUBLE
+
# BOOLEAN encoding when creating schema automatically is enabled
# Datatype: TSEncoding
# default_boolean_encoding=RLE
+
# INT32 encoding when creating schema automatically is enabled
# Datatype: TSEncoding
# default_int32_encoding=RLE
+
# INT64 encoding when creating schema automatically is enabled
# Datatype: TSEncoding
# default_int64_encoding=RLE
+
# FLOAT encoding when creating schema automatically is enabled
# Datatype: TSEncoding
# default_float_encoding=GORILLA
+
# DOUBLE encoding when creating schema automatically is enabled
# Datatype: TSEncoding
# default_double_encoding=GORILLA
+
# TEXT encoding when creating schema automatically is enabled
# Datatype: TSEncoding
# default_text_encoding=PLAIN
+
####################
### Query Configurations
####################
+
# 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
+
# Whether to cache meta data(BloomFilter, ChunkMetadata and TimeSeriesMetadata) or not.
# Datatype: boolean
# meta_data_cache_enable=true
+
# Read memory Allocation Ratio: BloomFilterCache : ChunkCache : TimeSeriesMetadataCache : Coordinator : Operators : DataExchange : timeIndex in TsFileResourceList : others.
# The parameter form is a:b:c:d:e:f:g:h, where a, b, c, d, e, f, g and h are integers. for example: 1:1:1:1:1:1:1:1 , 1:100:200:50:200:200:200:50
# chunk_timeseriesmeta_free_memory_proportion=1:100:200:50:200:200:200:50
+
# Whether to enable LAST cache
# Datatype: boolean
# enable_last_cache=true
+
# Allowed max numbers of deduplicated path in one query
# it's just an advised value, the real limitation will be the smaller one between this and the one we calculated
# Datatype: int
# max_deduplicated_path_num=1000
+
# Core size of ThreadPool of MPP data exchange
# Datatype: int
# mpp_data_exchange_core_pool_size=10
+
# Max size of ThreadPool of MPP data exchange
# Datatype: int
# mpp_data_exchange_max_pool_size=10
+
# Max waiting time for MPP data exchange
# Datatype: int
# mpp_data_exchange_keep_alive_time_in_ms=1000
+
# The max execution time of a DriverTask
# Datatype: int, Unit: ms
# driver_task_execution_time_slice_in_ms=100
+
# The max capacity of a TsBlock
# Datatype: int, Unit: byte
# max_tsblock_size_in_bytes=131072
+
# The max number of lines in a single TsBlock
# Datatype: int
# max_tsblock_line_numbers=1000
+
# Time cost(ms) threshold for slow query
# Datatype: long
# slow_query_threshold=5000
+
# The max executing time of query. unit: ms
# Datatype: int
# query_timeout_threshold=60000
+
# The maximum allowed concurrently executing queries
# Datatype: int
# max_allowed_concurrent_queries=1000
+
# How many threads can concurrently execute query statement. When <= 0, use CPU core number.
# Datatype: int
# query_thread_count=0
+
# The amount of data iterate each time in server (the number of data strips, that is, the number of different timestamps.)
# Datatype: int
# batch_size=100000
+
####################
### Storage Engine Configuration
####################
+
# Use this value to set timestamp precision as "ms", "us" or "ns".
# Once the precision has been set, it can not be changed.
# Datatype: String
# timestamp_precision=ms
+
# Default TTL for databases that are not set TTL by statements, If not set (default),
# the TTL will be unlimited.
# Notice: if this property is changed, previous created database which are not set TTL will also be affected.
@@ -347,161 +434,204 @@
# Datatype: long
# Unit: ms
# default_ttl_in_ms=36000000
+
# When the waiting time (in ms) of an inserting exceeds this, throw an exception. 10000 by default.
# If the insertion has been rejected and the read load is low, it can be set larger
# Datatype: int
# max_waiting_time_when_insert_blocked=10000
+
# Add a switch to drop ouf-of-order data
# Out-of-order data will impact the aggregation query a lot. Users may not care about discarding some out-of-order data.
# Datatype: boolean
# enable_discard_out_of_order_data=false
+
# What will the system do when unrecoverable error occurs.
# Datatype: String
# Optional strategies are as follows:
# 1. CHANGE_TO_READ_ONLY: set system status to read-only and the system only accepts query operations.
# 2. SHUTDOWN: the system will be shutdown.
# handle_system_error=CHANGE_TO_READ_ONLY
+
# Only take effects when enable_mem_control is false.
# When a memTable's size (in byte) exceeds this, the memtable is flushed to disk. The default threshold is 1 GB.
# Datatype: long
# memtable_size_threshold=1073741824
+
# Whether to timed flush sequence tsfiles' memtables.
# Datatype: boolean
# enable_timed_flush_seq_memtable=true
+
# If a memTable's created time is older than current time minus this, the memtable will be flushed to disk.
# Only check sequence tsfiles' memtables.
# The default flush interval is 3 * 60 * 60 * 1000. (unit: ms)
# Datatype: long
# seq_memtable_flush_interval_in_ms=10800000
+
# The interval to check whether sequence memtables need flushing.
# The default flush check interval is 10 * 60 * 1000. (unit: ms)
# Datatype: long
# seq_memtable_flush_check_interval_in_ms=600000
+
# Whether to timed flush unsequence tsfiles' memtables.
# Datatype: boolean
# enable_timed_flush_unseq_memtable=true
+
# If a memTable's created time is older than current time minus this, the memtable will be flushed to disk.
# Only check unsequence tsfiles' memtables.
# The default flush interval is 3 * 60 * 60 * 1000. (unit: ms)
# Datatype: long
# unseq_memtable_flush_interval_in_ms=10800000
+
# The interval to check whether unsequence memtables need flushing.
# The default flush check interval is 10 * 60 * 1000. (unit: ms)
# Datatype: long
# unseq_memtable_flush_check_interval_in_ms=600000
+
# The sort algorithms used in the memtable's TVList
# TIM: default tim sort,
# QUICK: quick sort,
# BACKWARD: backward sort
# tvlist_sort_algorithm=TIM
+
# When the average point number of timeseries in memtable exceeds this, the memtable is flushed to disk. The default threshold is 100000.
# Datatype: int
# avg_series_point_number_threshold=100000
+
# How many threads can concurrently flush. When <= 0, use CPU core number.
# Datatype: int
# flush_thread_count=0
+
# In one insert (one device, one timestamp, multiple measurements),
# if enable partial insert, one measurement failure will not impact other measurements
# Datatype: boolean
# enable_partial_insert=true
+
# the interval to log recover progress of each vsg when starting iotdb
# Datatype: int
# recovery_log_interval_in_ms=5000
+
# When there exists old version(v2) TsFile, how many thread will be set up to perform upgrade tasks, 1 by default.
# Set to 1 when less than or equal to 0.
# Datatype: int
# upgrade_thread_count=1
+
####################
### Compaction Configurations
####################
# sequence space compaction: only compact the sequence files
# Datatype: boolean
# enable_seq_space_compaction=true
+
# unsequence space compaction: only compact the unsequence files
# Datatype: boolean
# enable_unseq_space_compaction=true
+
# cross space compaction: compact the unsequence files into the overlapped sequence files
# Datatype: boolean
# enable_cross_space_compaction=true
+
# the selector of cross space compaction task
# Options: rewrite
# cross_selector=rewrite
+
# the compaction performer of cross space compaction task
# Options: read_point, fast (under test)
# cross_performer=read_point
+
# the selector of inner sequence space compaction task
# Options: size_tiered
# inner_seq_selector=size_tiered
+
# the performer of inner sequence space compaction task
# Options: read_chunk, fast (under test)
# inner_seq_performer=read_chunk
+
# the selector of inner unsequence space compaction task
# Options: size_tiered
# inner_unseq_selector=size_tiered
+
# the performer of inner unsequence space compaction task
# Options: read_point, fast (under test)
# inner_unseq_performer=read_point
+
# The priority of compaction execution
# INNER_CROSS: prioritize inner space compaction, reduce the number of files first
# CROSS_INNER: prioritize cross space compaction, eliminate the unsequence files first
# BALANCE: alternate two compaction types
# compaction_priority=BALANCE
+
# The target tsfile size in compaction
# Datatype: long, Unit: byte
# target_compaction_file_size=1073741824
+
# The target chunk size in compaction and when memtable reaches this threshold, flush the memtable to disk.
# default is 1MB
# Datatype: long, Unit: byte
# target_chunk_size=1048576
+
# The target point nums in one chunk in compaction
# Datatype: long
# target_chunk_point_num=100000
+
# If the chunk size is lower than this threshold, it will be deserialize into points, default is 128 byte
# Datatype: long, Unit:byte
# chunk_size_lower_bound_in_compaction=128
+
# If the chunk point num is lower than this threshold, it will be deserialize into points
# Datatype: long
# chunk_point_num_lower_bound_in_compaction=100
+
# The max file when selecting inner space compaction candidate files
# Datatype: int
# max_inner_compaction_candidate_file_num=30
+
# The max file when selecting cross space compaction candidate files
# At least one unseq file with it's overlapped seq files will be selected even exceeded this number
# Datatype: int
# max_cross_compaction_candidate_file_num=1000
+
# The max total size when selecting cross space compaction candidate files
# At least one unseq file with it's overlapped seq files will be selected even exceeded this number
# Datatype: long, Unit: byte
# max_cross_compaction_candidate_file_size=5368709120
+
# If one merge file selection runs for more than this time, it will be ended and its current
# selection will be used as final selection.
# When < 0, it means time is unbounded.
# Datatype: long, Unit: ms
# cross_compaction_file_selection_time_budget=30000
+
# How many threads will be set up to perform compaction, 10 by default.
# Set to 1 when less than or equal to 0.
# Datatype: int
# compaction_thread_count=10
+
# The interval of compaction task schedule
# Datatype: long, Unit: ms
# compaction_schedule_interval_in_ms=60000
+
# The interval of compaction task submission
# Datatype: long, Unit: ms
# compaction_submission_interval_in_ms=60000
+
# The limit of io rate can reach per second
# Datatype: int
# compaction_io_rate_per_sec=50
+
# The number of sub compaction threads to be set up to perform compaction.
# Currently only works for nonAligned data in cross space compaction and unseq inner space compaction.
# Set to 1 when less than or equal to 0.
# Datatype: int
# sub_compaction_thread_count=4
+
# Enable the check of sequence tsfile time range after compaction
# Datatype: boolean
# enable_compaction_validation=true
+
####################
### Write Ahead Log Configuration
####################
+
# Write mode of wal
# The details of these three modes are as follows:
# 1. DISABLE: the system will disable wal.
@@ -509,148 +639,192 @@
# 3. ASYNC: the system will submit wal asynchronously, write request will return immediately no matter its wal is fsynced to the disk successfully.
# The write performance order is DISABLE > ASYNC > SYNC, but only SYNC mode can ensure data durability.
# wal_mode=ASYNC
+
# Max number of wal nodes, each node corresponds to one wal directory
# The default value 0 means the number is determined by the system.
# Notice: this value affects write performance significantly.
# For non-SSD disks, values between one third and half of databases number are recommended.
# Datatype: int
# max_wal_nodes_num=0
+
# Duration a wal flush operation will wait before calling fsync
# A duration greater than 0 batches multiple wal fsync calls into one. This is useful when disks are slow or WAL write contention exists.
# Notice: this value affects write performance significantly, values in the range of 0ms-10ms are recommended.
# Datatype: long
# fsync_wal_delay_in_ms=3
+
# Buffer size of each wal node
# If it's a value smaller than 0, use the default value 16 * 1024 * 1024 bytes (16MB).
# Datatype: int
# wal_buffer_size_in_byte=16777216
+
# Blocking queue capacity of each wal buffer, restricts maximum number of WALEdits cached in the blocking queue.
# Datatype: int
# wal_buffer_queue_capacity=50
+
# Size threshold of each wal file
# When a wal file's size exceeds this, the wal file will be closed and a new wal file will be created.
# If it's a value smaller than 0, use the default value 10 * 1024 * 1024 (10MB).
# Datatype: long
# wal_file_size_threshold_in_byte=10485760
+
# Minimum ratio of effective information in wal files
# This value should be between 0.0 and 1.0
# If effective information ratio is below this value, MemTable snapshot or flush will be triggered.
# Increase this value when wal occupies too much disk space. But, if this parameter is too large, the write performance may decline.
# Datatype: double
# wal_min_effective_info_ratio=0.1
+
# MemTable size threshold for triggering MemTable snapshot in wal
# When a memTable's size (in byte) exceeds this, wal can flush this memtable to disk, otherwise wal will snapshot this memtable in wal.
# If it's a value smaller than 0, use the default value 8 * 1024 * 1024 bytes (8MB).
# Datatype: long
# wal_memtable_snapshot_threshold_in_byte=8388608
+
# MemTable's max snapshot number in wal
# If one memTable's snapshot number in wal exceeds this value, it will be flushed to disk.
# Datatype: int
# max_wal_memtable_snapshot_num=1
+
# The period when outdated wal files are periodically deleted
# If this value is too large, outdated wal files may not able to be deleted in time.
# If it's a value smaller than 0, use the default value 20 * 1000 ms (20 seconds).
# Datatype: long
# delete_wal_files_period_in_ms=20000
+
# The minimum size of wal files when throttle down in IoTConsensus
# If it's a value smaller than 0, use the default value 50 * 1024 * 1024 * 1024 bytes (50GB).
# Datatype: long
# iot_consensus_throttle_threshold_in_byte=53687091200
+
# Maximum wait time of write cache in IoTConsensus
# If this value is less than or equal to 0, use the default value 10 * 1000 ms (10s)
# Datatype: long
# iot_consensus_cache_window_time_in_ms=-1
+
####################
### TsFile Configurations
####################
+
# Datatype: int
# group_size_in_byte=134217728
+
# The memory size for each series writer to pack page, default value is 64KB
# Datatype: int
# page_size_in_byte=65536
+
# The maximum number of data points in a page, default 1024*1024
# Datatype: int
# max_number_of_points_in_page=1048576
+
# The threshold for pattern matching in regex
# Datatype: int
# pattern_matching_threshold=1000000
+
# Max size limitation of input string
# Datatype: int
# max_string_length=128
+
# Floating-point precision
# Datatype: int
# float_precision=2
+
# Encoder configuration
# Encoder of time series, supports TS_2DIFF, PLAIN and RLE(run-length encoding), REGULAR and default value is TS_2DIFF
# time_encoder=TS_2DIFF
+
# Encoder of value series. default value is PLAIN.
# For int, long data type, also supports TS_2DIFF and RLE(run-length encoding), GORILLA and ZIGZAG.
# value_encoder=PLAIN
+
# Compression configuration
# Data compression method, supports UNCOMPRESSED, SNAPPY or LZ4. Default value is SNAPPY
# compressor=SNAPPY
+
# Maximum degree of a metadataIndex node, default value is 256
# Datatype: int
# max_degree_of_index_node=256
+
# time interval in minute for calculating query frequency
# Datatype: int
# frequency_interval_in_minute=1
+
# Signal-noise-ratio (SNR) of FREQ encoding
# Datatype: double
# freq_snr=40.0
+
# Block size of FREQ encoding
# Datatype: integer
# freq_block_size=1024
+
####################
### Watermark Configuration
####################
+
# Datatype: boolean
# watermark_module_opened=false
+
# Datatype: String
# watermark_secret_key=IoTDB*2019@Beijing
+
# Datatype: String
# watermark_bit_string=100101110100
+
# Datatype: String
# watermark_method=GroupBasedLSBMethod(embed_row_cycle=2,embed_lsb_num=5)
+
####################
### Authorization Configuration
####################
+
# which class to serve for authorization. By default, it is LocalFileAuthorizer.
# Another choice is org.apache.iotdb.commons.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
+
# Cache size of user and role
# Datatype: int
# author_cache_size=1000
+
# Cache expire time of user and role
# Datatype: int
# author_cache_expire_time=30
+
####################
### UDF Configuration
####################
+
# Used to estimate the memory usage of text fields in a UDF query.
# It is recommended to set this value to be slightly larger than the average length of all text
# records.
# Datatype: int
# udf_initial_byte_array_length_for_memory_control=48
+
# How much memory may be used in ONE UDF query (in MB).
# The upper limit is 20% of allocated memory for read.
# Datatype: float
# udf_memory_budget_in_mb=30.0
+
# UDF memory allocation ratio.
# The parameter form is a:b:c, where a, b, and c are integers.
# udf_reader_transformer_collector_memory_proportion=1:1:1
+
# 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).
@@ -669,9 +843,11 @@
# For Linux platform
# If its prefix is "/", then the path is absolute. Otherwise, it is relative.
# udf_lib_dir=ext/udf
+
####################
### Trigger Configuration
####################
+
# Uncomment the following field to configure the trigger lib directory.
# For Window platform
# If its prefix is a drive specifier followed by "\\", or if its prefix is "\\\\", then the path is
@@ -680,76 +856,97 @@
# For Linux platform
# If its prefix is "/", then the path is absolute. Otherwise, it is relative.
# trigger_lib_dir=ext/trigger
+
# How many times will we retry to found an instance of stateful trigger on DataNodes
# 3 by default.
# Datatype: int
# stateful_trigger_retry_num_when_not_found=3
+
+
####################
### Select-Into Configuration
####################
+
# The maximum number of rows can be processed in insert-tablet-plan when executing select-into statements.
# When <= 0, use 10000.
# Datatype: int
# select_into_insert_tablet_plan_row_limit=10000
+
# The number of threads in the thread pool that execute insert-tablet tasks
# Datatype: int
# into_operation_execution_thread_count=2
+
####################
### Continuous Query Configuration
####################
+
# The number of threads in the scheduled thread pool that submit continuous query tasks periodically
# Datatype: int
# continuous_query_submit_thread_count=2
+
# The minimum value of the continuous query execution time interval
# Datatype: long(duration)
# continuous_query_min_every_interval_in_ms=1000
+
####################
### PIPE Configuration
####################
+
# White IP list of Sync client.
# Please use the form of IPv4 network segment to present the range of IP, for example: 192.168.0.0/16
# If there are more than one IP segment, please separate them by commas
# The default is to reject all IP to sync except 127.0.0.1
# Datatype: String
# ip_white_list=127.0.0.1/32
+
# The maximum number of retry when syncing a file to receiver fails.
# max_number_of_sync_file_retry=5
+
####################
### RatisConsensus Configuration
####################
+
# max payload size for a single log-sync-RPC from leader to follower
# config_node_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 snapshot_trigger_threshold logs are written
# config_node_ratis_snapshot_trigger_threshold=400000
# schema_region_ratis_snapshot_trigger_threshold=400000
# data_region_ratis_snapshot_trigger_threshold=400000
+
# allow flushing Raft Log asynchronously
# config_node_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 Log segment file (in byte, by default 24MB)
# config_node_ratis_log_segment_size_max_in_byte=25165824
# schema_region_ratis_log_segment_size_max_in_byte=25165824
# data_region_ratis_log_segment_size_max_in_byte=25165824
# config_node_simple_consensus_log_segment_size_max_in_byte=25165824
+
# flow control window for ratis grpc log appender
# config_node_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
# config_node_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
# config_node_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
+
# ratis client retry threshold
# config_node_ratis_request_timeout_ms=10000
# schema_region_ratis_request_timeout_ms=10000
# data_region_ratis_request_timeout_ms=10000
+
# currently we use exponential back-off retry policy for ratis
# config_node_ratis_max_retry_attempts=10
# config_node_ratis_initial_sleep_time_ms=100
@@ -760,85 +957,118 @@
# data_region_ratis_max_retry_attempts=10
# data_region_ratis_initial_sleep_time_ms=100
# data_region_ratis_max_sleep_time_ms=10000
+
# first election timeout
# ratis_first_election_timeout_min_ms=50
# ratis_first_election_timeout_max_ms=150
+
# preserve certain logs when take snapshot and purge
# config_node_ratis_preserve_logs_num_when_purge=1000
# schema_region_ratis_preserve_logs_num_when_purge=1000
# data_region_ratis_preserve_logs_num_when_purge=1000
+
# Raft Log disk size control
# config_node_ratis_log_max_size = 2147483648
# schema_region_ratis_log_max_size = 2147483648
# data_region_ratis_log_max_size = 21474836480
+
####################
### Procedure Configuration
####################
+
# Default number of worker thread count
# Datatype: int
# procedure_core_worker_thread_count=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
+
####################
### MQTT Broker Configuration
####################
+
# whether to enable the mqtt service.
# Datatype: boolean
# enable_mqtt_service=false
+
# the mqtt service binding host.
# Datatype: String
# mqtt_host=0.0.0.0
+
# the mqtt service binding port.
# Datatype: int
# mqtt_port=1883
+
# the handler pool size for handing the mqtt messages.
# Datatype: int
# mqtt_handler_pool_size=1
+
# the mqtt message payload formatter.
# Datatype: String
# mqtt_payload_formatter=json
+
# max length of mqtt message in byte
# Datatype: int
# mqtt_max_message_size=1048576
+
####################
### REST Service Configuration
####################
+
# Is the REST service enabled
# enable_rest_service=false
+
# the binding port of the REST service
# rest_service_port=18080
+
# Whether to display rest service interface information through swagger. eg: http://ip:port/swagger.json
# enable_swagger=false
+
# the default row limit to a REST query response when the rowSize parameter is not given in request
# rest_query_default_row_size_limit=10000
+
# the expiration time of the user login information cache (in seconds)
# cache_expire_in_seconds=28800
+
# maximum number of users can be stored in the user login cache.
# cache_max_num=100
+
# init capacity of users can be stored in the user login cache.
# cache_init_num=10
+
# is SSL enabled
# enable_https=false
+
# SSL key store path
# key_store_path=
+
# SSL key store password
# key_store_pwd=
+
# Is client authentication required
# client_auth=false
+
# SSL trust store path
# trust_store_path=
+
# SSL trust store password.
# trust_store_pwd=
+
# SSL timeout (in seconds)
# idle_timeout_in_seconds=50000
+
+
####################
### InfluxDB RPC Service Configuration
####################
+
# Datatype: boolean
# enable_influxdb_rpc_service=false
+
# Datatype: int
# influxdb_rpc_port=8086
\ No newline at end of file