doc: update taos.cfg
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Shengliang Guan
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b52fb1b516
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@ -5,137 +5,54 @@
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# #
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########################################################
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# first fully qualified domain name (FQDN) for TDengine system
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# The end point of the first dnode in the cluster to be connected to when `taosd` or `taos` is started
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# firstEp hostname:6030
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# local fully qualified domain name (FQDN)
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# The end point of the second dnode to be connected to if the firstEp is not available when `taosd` or `taos` is started
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# secondEp
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# The FQDN of the host where `taosd` will be started. It can be IP address
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# fqdn hostname
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# first port number for the connection (12 continuous UDP/TCP port number are used)
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# The port for external access after `taosd` is started
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# serverPort 6030
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# log file's directory
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# The maximum number of connections a dnode can accept
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# maxShellConns 5000
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# The directory for writing log files
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# logDir /var/log/taos
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# data file's directory
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# All data files are stored in this director
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# dataDir /var/lib/taos
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# temporary file's directory
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# tempDir /tmp/
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# the arbitrator's fully qualified domain name (FQDN) for TDengine system, for cluster only
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# arbitrator arbitrator_hostname:6042
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# number of threads per CPU core
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# numOfThreadsPerCore 1.0
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# number of threads to commit cache data
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# numOfCommitThreads 4
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# the proportion of total CPU cores available for query processing
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# 2.0: the query threads will be set to double of the CPU cores.
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# 1.0: all CPU cores are available for query processing [default].
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# 0.5: only half of the CPU cores are available for query.
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# 0.0: only one core available.
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# ratioOfQueryCores 1.0
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# the last_row/first/last aggregator will not change the original column name in the result fields
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keepColumnName 1
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# number of management nodes in the system
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# numOfMnodes 1
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# enable/disable backuping vnode directory when removing vnode
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# vnodeBak 1
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# enable/disable installation / usage report
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# Switch for allowing TDengine to collect and report service usage information
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# telemetryReporting 1
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# enable/disable load balancing
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# balance 1
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# The maximum number of vnodes supported by dnode
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# supportVnodes 0
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# role for dnode. 0 - any, 1 - mnode, 2 - dnode
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# role 0
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# max timer control blocks
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# maxTmrCtrl 512
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# time interval of system monitor, seconds
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# monitorInterval 30
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# number of seconds allowed for a dnode to be offline, for cluster only
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# offlineThreshold 864000
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# RPC re-try timer, millisecond
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# rpcTimer 300
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# RPC maximum time for ack, seconds.
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# rpcMaxTime 600
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# time interval of dnode status reporting to mnode, seconds, for cluster only
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# The interval of dnode reporting status to mnode
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# statusInterval 1
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# time interval of heart beat from shell to dnode, seconds
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# The interval for taos shell to send heartbeat to mnode
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# shellActivityTimer 3
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# minimum sliding window time, milli-second
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# The minimum sliding window time, milli-second
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# minSlidingTime 10
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# minimum time window, milli-second
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# The minimum time window, milli-second
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# minIntervalTime 10
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# maximum delay before launching a stream computation, milli-second
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# maxStreamCompDelay 20000
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# The maximum allowed query buffer size in MB during query processing for each data node
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# -1 no limit (default)
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# 0 no query allowed, queries are disabled
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# queryBufferSize -1
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# maximum delay before launching a stream computation for the first time, milli-second
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# maxFirstStreamCompDelay 10000
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# retry delay when a stream computation fails, milli-second
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# retryStreamCompDelay 10
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# the delayed time for launching a stream computation, from 0.1(default, 10% of whole computing time window) to 0.9
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# streamCompDelayRatio 0.1
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# max number of vgroups per db, 0 means configured automatically
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# maxVgroupsPerDb 0
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# max number of tables per vnode
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# maxTablesPerVnode 1000000
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# cache block size (Mbyte)
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# cache 16
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# number of cache blocks per vnode
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# blocks 6
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# number of days per DB file
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# days 10
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# number of days to keep DB file
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# keep 3650
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# minimum rows of records in file block
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# minRows 100
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# maximum rows of records in file block
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# maxRows 4096
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# the number of acknowledgments required for successful data writing
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# quorum 1
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# enable/disable compression
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# comp 2
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# write ahead log (WAL) level, 0: no wal; 1: write wal, but no fysnc; 2: write wal, and call fsync
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# walLevel 1
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# if walLevel is set to 2, the cycle of fsync being executed, if set to 0, fsync is called right away
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# fsync 3000
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# number of replications, for cluster only
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# replica 1
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# the compressed rpc message, option:
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# The compressed rpc message, option:
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# -1 (no compression)
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# 0 (all message compressed),
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# > 0 (rpc message body which larger than this value will be compressed)
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@ -147,15 +64,6 @@ keepColumnName 1
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# > 0 (any retrieved column size greater than this value all data will be compressed.)
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# compressColData -1
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# max length of an SQL
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# maxSQLLength 65480
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# max length of WildCards
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# maxWildCardsLength 100
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# the maximum number of records allowed for super table time sorting
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# maxNumOfOrderedRes 100000
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# system time zone
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# timezone Asia/Shanghai (CST, +0800)
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# system time zone (for windows 10)
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@ -167,12 +75,6 @@ keepColumnName 1
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# default system charset
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# charset UTF-8
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# max number of connections allowed in dnode
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# maxShellConns 5000
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# max number of connections allowed in client
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# maxConnections 5000
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# stop writing logs when the disk size of the log folder is less than this value
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# minimalLogDirGB 1.0
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@ -182,30 +84,9 @@ keepColumnName 1
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# if disk free space is less than this value, taosd service exit directly within startup process
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# minimalDataDirGB 2.0
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# One mnode is equal to the number of vnode consumed
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# mnodeEqualVnodeNum 4
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# enbale/disable http service
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# http 1
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# enable/disable system monitor
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# monitor 1
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# enable/disable recording the SQL statements via restful interface
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# httpEnableRecordSql 0
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# number of threads used to process http requests
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# httpMaxThreads 2
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# maximum number of rows returned by the restful interface
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# restfulRowLimit 10240
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# database name must be specified in restful interface if the following parameter is set, off by default
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# httpDbNameMandatory 1
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# http keep alive, default is 30 seconds
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# httpKeepAlive 30000
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# The following parameter is used to limit the maximum number of lines in log files.
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# max number of lines per log filters
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# numOfLogLines 10000000
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@ -216,7 +97,6 @@ keepColumnName 1
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# time of keeping log files, days
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# logKeepDays 0
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# The following parameters are used for debug purpose only.
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# debugFlag 8 bits mask: FILE-SCREEN-UNUSED-HeartBeat-DUMP-TRACE_WARN-ERROR
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# 131: output warning and error
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@ -228,85 +108,62 @@ keepColumnName 1
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# debug flag for all log type, take effect when non-zero value
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# debugFlag 0
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# debug flag for meta management messages
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# mDebugFlag 135
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# debug flag for dnode messages
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# dDebugFlag 135
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# debug flag for sync module
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# sDebugFlag 135
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# debug flag for WAL
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# wDebugFlag 135
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# debug flag for SDB
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# sdbDebugFlag 135
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# debug flag for RPC
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# rpcDebugFlag 131
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# debug flag for TAOS TIMER
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# debug flag for timer
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# tmrDebugFlag 131
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# debug flag for TDengine client
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# cDebugFlag 131
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# debug flag for JNI
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# jniDebugFlag 131
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# debug flag for storage
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# debug flag for util
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# uDebugFlag 131
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# debug flag for http server
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# httpDebugFlag 131
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# debug flag for rpc
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# rpcDebugFlag 131
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# debug flag for monitor
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# monDebugFlag 131
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# debug flag for jni
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# jniDebugFlag 131
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# debug flag for query
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# qDebugFlag 131
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# debug flag for taosc driver
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# cDebugFlag 131
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# debug flag for dnode messages
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# dDebugFlag 135
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# debug flag for vnode
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# vDebugFlag 131
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# debug flag for TSDB
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# debug flag for meta management messages
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# mDebugFlag 135
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# debug flag for wal
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# wDebugFlag 135
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# debug flag for sync module
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# sDebugFlag 135
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# debug flag for tsdb
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# tsdbDebugFlag 131
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# debug flag for continue query
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# cqDebugFlag 131
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# debug flag for tq
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# tqDebugFlag 131
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# enable/disable recording the SQL in taos client
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# enableRecordSql 0
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# debug flag for fs
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# fsDebugFlag 131
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# debug flag for udf
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# udfDebugFlag 131
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# debug flag for sma
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# smaDebugFlag 131
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# debug flag for index
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# idxDebugFlag 131
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# debug flag for tdb
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# tdbDebugFlag 131
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# debug flag for meta
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# metaDebugFlag 131
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# generate core file when service crash
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# enableCoreFile 1
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# maximum display width of binary and nchar fields in the shell. The parts exceeding this limit will be hidden
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# maxBinaryDisplayWidth 30
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# enable/disable stream (continuous query)
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# stream 1
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# in retrieve blocking model, only in 50% query threads will be used in query processing in dnode
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# retrieveBlockingModel 0
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# the maximum allowed query buffer size in MB during query processing for each data node
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# -1 no limit (default)
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# 0 no query allowed, queries are disabled
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# queryBufferSize -1
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# percent of redundant data in tsdb meta will compact meta data,0 means donot compact
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# tsdbMetaCompactRatio 0
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# default string type used for storing JSON String, options can be binary/nchar, default is nchar
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# defaultJSONStrType nchar
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# force TCP transmission
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# rpcForceTcp 0
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# unit MB. Flush vnode wal file if walSize > walFlushSize and walSize > cache*0.5*blocks
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# walFlushSize 1024
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# unit Hour. Latency of data migration
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# keepTimeOffset 0
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