taos.cfg 7.2 KB
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########################################################
#                                                      #
#                  TDengine Configuration              #
#   Any questions, please email support@taosdata.com   #
#                                                      #
########################################################

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# first fully qualified domain name (FQDN) for TDengine system
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# firstEp                   hostname:6030
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# local fully qualified domain name (FQDN)
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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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# serverPort                6030
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# log file's directory
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# logDir                    /var/log/taos
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# data file's directory
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# dataDir                   /var/lib/taos
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# temporary file's directory
# 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

# the proportion of total threads responsible for query
# ratioOfQueryThreads       0.5
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# number of management nodes in the system
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# numOfMnodes               3
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# enable/disable backuping vnode directory when removing dnode
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# vnodeBak                  1

# if report installation / use information
# telemetryReporting        1
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# enable/disable load balancing
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# balance                   1
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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          8640000
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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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# statusInterval            1
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# time interval of heart beat from shell to dnode, seconds
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# shellActivityTimer        3
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# time of keeping table meta data in cache, seconds
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# tableMetaKeepTimer        7200
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# 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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# minIntervalTime           10
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# maximum delay before launching a stream compution, milli-second
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# maxStreamCompDelay        20000
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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
# 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

# number of days per DB file
# days                  10

# number of days to keep DB file
# 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
# 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:
#  -1 (no compression)
#   0 (all message compressed),
# > 0 (rpc message body which larger than this value will be compressed)
# compressMsgSize       -1

# max length of an SQL
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# maxSQLLength          65480
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# the maximum number of records allowed for super table time sorting
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# maxNumOfOrderedRes    100000

# system time zone
# timezone              Asia/Shanghai (CST, +0800)

# system locale
# locale                en_US.UTF-8

# default system charset
# 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 numerber 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       0.1
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# stop writing temporary files when the disk size of the log folder is less than this value
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# minimalTmpDirGB       0.1
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# stop writing data when the disk size of the log folder is less than this value
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# minimalDataDirGB      0.1
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# One mnode is equal to the number of vnode consumed
# 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
# restfulRowLimit       10240
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# The following parameter is used to limit the maximum number of lines in log files.
# max number of rows per log filters
# numOfLogLines         10000000

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# enable/disable async log
# asyncLog              1

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# time of keeping log files, days
# logKeepDays           0

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# The following parameters are used for debug purpose only.
# debugFlag 8 bits mask: FILE-SCREEN-UNUSED-HeartBeat-DUMP-TRACE_WARN-ERROR
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# 131: output warning and error, 135: output debug, warning and error, 143 : output trace, debug, warning and error to log.
# 199: output debug, warning and error to both screen and file
# 207: output trace, debug, warning and error to both screen and file
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# debug flag for all log type, take effect when non-zero value
# debugFlag             0
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# debug flag for meta management messages
# mDebugFlag            135

# 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
# wDebugFlag            135

# debug flag for SDB
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# sdbDebugFlag          135

# debug flag for RPC 
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# rpcDebugFlag          131
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# debug flag for TAOS TIMER
# tmrDebugFlag          131
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# debug flag for TDengine client 
# cDebugFlag            131

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# debug flag for JNI
# jniDebugflag          131

# debug flag for storage
# uDebugflag            131
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# debug flag for http server
# httpDebugFlag         131

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# debug flag for monitor
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# monitorDebugFlag      131

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# debug flag for query
# qDebugflag            131
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# debug flag for vnode
# vDebugflag            131

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# debug flag for http server
# tsdbDebugFlag         131

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# debug flag for continue query
# cqDebugFlag           131

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# enable/disable recording the SQL in taos client
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# tscEnableRecordSql    0

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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
# maxBinaryDisplayWidth 30

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# enable/disable telemetry reporting
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# telemetryReporting    1

# enable/disable stream (continuous query)
# stream                1