######################################################## # # # TDengine Configuration # # Any questions, please email support@taosdata.com # # # ######################################################## # first fully qualified domain name (FQDN) for TDengine system # firstEp hostname:6030 # local fully qualified domain name (FQDN) # fqdn hostname # first port number for the connection (12 continuous UDP/TCP port number are used) # serverPort 6030 # log file's directory # logDir /var/log/taos # data file's directory # dataDir /var/lib/taos # temporary file's directory # tempDir /tmp/ # the arbitrator's fully qualified domain name (FQDN) for TDengine system, for cluster only # arbitrator arbitrator_hostname:6042 # number of threads per CPU core # numOfThreadsPerCore 1.0 # the proportion of total threads responsible for query # ratioOfQueryThreads 0.5 # number of management nodes in the system # numOfMnodes 3 # enable/disable backuping vnode directory when removing dnode # vnodeBak 1 # if report installation / use information # telemetryReporting 1 # enable/disable load balancing # balance 1 # role for dnode. 0 - any, 1 - mnode, 2 - dnode # role 0 # max timer control blocks # maxTmrCtrl 512 # time interval of system monitor, seconds # monitorInterval 30 # number of seconds allowed for a dnode to be offline, for cluster only # offlineThreshold 8640000 # RPC re-try timer, millisecond # rpcTimer 300 # RPC maximum time for ack, seconds. # rpcMaxTime 600 # time interval of dnode status reporting to mnode, seconds, for cluster only # statusInterval 1 # time interval of heart beat from shell to dnode, seconds # shellActivityTimer 3 # time of keeping table meta data in cache, seconds # tableMetaKeepTimer 7200 # minimum sliding window time, milli-second # minSlidingTime 10 # minimum time window, milli-second # minIntervalTime 10 # maximum delay before launching a stream compution, milli-second # maxStreamCompDelay 20000 # maximum delay before launching a stream computation for the first time, milli-second # maxFirstStreamCompDelay 10000 # retry delay when a stream computation fails, milli-second # retryStreamCompDelay 10 # the delayed time for launching a stream computation, from 0.1(default, 10% of whole computing time window) to 0.9 # streamCompDelayRatio 0.1 # max number of vgroups per db, 0 means configured automatically # maxVgroupsPerDb 0 # max number of tables per vnode # maxTablesPerVnode 1000000 # cache block size (Mbyte) # cache 16 # number of cache blocks per vnode # blocks 6 # number of days per DB file # days 10 # number of days to keep DB file # keep 3650 # minimum rows of records in file block # minRows 100 # maximum rows of records in file block # maxRows 4096 # the number of acknowledgments required for successful data writing # quorum 1 # enable/disable compression # comp 2 # write ahead log (WAL) level, 0: no wal; 1: write wal, but no fysnc; 2: write wal, and call fsync # walLevel 1 # if walLevel is set to 2, the cycle of fsync being executed, if set to 0, fsync is called right away # fsync 3000 # number of replications, for cluster only # replica 1 # 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 # maxSQLLength 65480 # the maximum number of records allowed for super table time sorting # maxNumOfOrderedRes 100000 # system time zone # timezone Asia/Shanghai (CST, +0800) # system locale # locale en_US.UTF-8 # default system charset # charset UTF-8 # max number of connections allowed in dnode # maxShellConns 5000 # max numerber of connections allowed in client # maxConnections 5000 # stop writing logs when the disk size of the log folder is less than this value # minimalLogDirGB 0.1 # stop writing temporary files when the disk size of the log folder is less than this value # minimalTmpDirGB 0.1 # stop writing data when the disk size of the log folder is less than this value # minimalDataDirGB 0.1 # One mnode is equal to the number of vnode consumed # mnodeEqualVnodeNum 4 # enbale/disable http service # http 1 # enable/disable system monitor # monitor 1 # enable/disable recording the SQL statements via restful interface # httpEnableRecordSql 0 # number of threads used to process http requests # httpMaxThreads 2 # maximum number of rows returned by the restful interface # restfulRowLimit 10240 # The following parameter is used to limit the maximum number of lines in log files. # max number of rows per log filters # numOfLogLines 10000000 # enable/disable async log # asyncLog 1 # time of keeping log files, days # logKeepDays 0 # The following parameters are used for debug purpose only. # debugFlag 8 bits mask: FILE-SCREEN-UNUSED-HeartBeat-DUMP-TRACE_WARN-ERROR # 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 # debug flag for all log type, take effect when non-zero value # debugFlag 0 # debug flag for meta management messages # mDebugFlag 135 # debug flag for dnode messages # dDebugFlag 135 # debug flag for sync module # sDebugFlag 135 # debug flag for WAL # wDebugFlag 135 # debug flag for SDB # sdbDebugFlag 135 # debug flag for RPC # rpcDebugFlag 131 # debug flag for TAOS TIMER # tmrDebugFlag 131 # debug flag for TDengine client # cDebugFlag 131 # debug flag for JNI # jniDebugflag 131 # debug flag for storage # uDebugflag 131 # debug flag for http server # httpDebugFlag 131 # debug flag for monitor # monDebugFlag 131 # debug flag for query # qDebugflag 131 # debug flag for vnode # vDebugflag 131 # debug flag for http server # tsdbDebugFlag 131 # debug flag for continue query # cqDebugFlag 131 # enable/disable recording the SQL in taos client # enableRecordSql 0 # generate core file when service crash # enableCoreFile 1 # maximum display width of binary and nchar fields in the shell. The parts exceeding this limit will be hidden # maxBinaryDisplayWidth 30 # enable/disable telemetry reporting # telemetryReporting 1 # enable/disable stream (continuous query) # stream 1 # only 50% CPU resources will be used in query processing # halfCoresForQuery 0