[update config parameters]

packaging/cfg/taos.cfg

@@ -11,9 +11,6 @@
 # second full-qualified domain name (FQDN) for TDengine system, for cluster edition only
 # second                cluster_hostname2:6030
 
-# the arbitrator's full-qualified domain name (FQDN) for TDengine system, for cluster edition only   
-# arbitrator            arbitrator_hostname:6030     
-
 # the full-qualified domain name (FQDN) of dnode 
 # fqdn                  hostname
 
@@ -23,45 +20,61 @@
 # http service port, default tcp [6020]
 # httpPort              6020
 
-# data file's directory
-# dataDir               /var/lib/taos
-
 # log file's directory
 # logDir                /var/log/taos
 
-# number of management nodes in the system
-# numOfMnodes           3
+# scriptDir file's directory
+# scriptDir             /var/log/taos
 
-# optional roles for dnode. 0 - any, 1 - mnode, 2 - dnode
-# role                  0
+# data file's directory
+# dataDir               /var/lib/taos
+
+# the arbitrator's full-qualified domain name (FQDN) for TDengine system, for cluster edition only   
+# arbitrator            arbitrator_hostname:6030     
 
 # number of threads per CPU core
 # numOfThreadsPerCore   1.0
 
-# max number of vgroups per db
-# maxVgroupsPerDb       0
-
-# max number of tables per vnode
-# maxTablesPerVnode     1000000
-
 # the ratio of threads responsible for querying in the total thread
 # ratioOfQueryThreads   0.5
 
-# interval of DNode report status to MNode, unit is Second, for cluster version only 
-# statusInterval        1
+# number of management nodes in the system
+# numOfMnodes           3
 
-# interval of Shell send HB to MNode, unit is Second
-# shellActivityTimer    3
+
+# if backup vnode directory when remove dnode
+# vnodeBak              1
+
+# Whether to start load balancing
+# balance
+
+# The management node checks the time interval of load balancing under normal operation
+# balanceInterval
+
+# optional roles for dnode. 0 - any, 1 - mnode, 2 - dnode
+# role                  0
+
+# max timer control block
+# maxTmrCtrl            512
 
 # interval of system monitor 
 # monitorInterval       30
 
+# number of seconds allowed for a dnode to be offline, for cluster version only 
+# offlineThreshold      8640000
+
 # RPC re-try timer, millisecond
 # rpcTimer              300
 
 # RPC maximum time for ack, seconds
 # rpcMaxTime            600
 
+# interval of DNode report status to MNode, unit is Second, for cluster version only 
+# statusInterval        1
+
+# interval of Shell send HB to MNode, unit is Second
+# shellActivityTimer    3
+
 # duration of to keep tableMeta kept in Cache, seconds
 # tableMetaKeepTimer    7200
 
@@ -71,38 +84,41 @@
 # Time window minimum
 # minIntervalTime       10
 
-# max length of an SQL
-# maxSQLLength          65480
+# the max allowed delayed time for launching continuous query. 20ms by default
+# maxStreamCompDelay    20000
 
-# Support the maximum number of records allowed for super table time sorting
-# maxNumOfOrderedRes    100000
+# The minimum time to wait before the first stream execution
+# maxFirstStreamCompDelay   10000
 
-# system locale
-# locale                en_US.UTF-8
+# Retry wait time benchmark
+# retryStreamCompDelay      10
 
-# default system charset
-# charset               UTF-8
+# the delayed time for launching each continuous query. 10% of the whole computing time window by default.
+# streamCompDelayRatio      0.1
 
-# system time zone
-# timezone              Asia/Shanghai (CST, +0800)
+# max number of vgroups per db
+# maxVgroupsPerDb           0
 
-# set write ahead log (WAL) level
-# walLevel              1
+# max number of tables per vnode
+# maxTablesPerVnode         1000000
 
-# enable/disable async log
-# asyncLog              1
+# Minimum number of tables in each vnode 
+# minTablesPerVnode         100
 
-# 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
+# Step size of increasing table number in vnode
+# tableIncStepPerVnode      1000
 
 # cache block size (Mbyte)
-# cache                 16
+# cache                     16
 
 # number of cache blocks per vnode
-# blocks                4
+# blocks                    6
+
+# number of days per DB file
+# days                  10
+
+# number of days to keep DB file
+# keep                  3650
 
 # min row of records in file block
 # minRows               100
@@ -111,17 +127,44 @@
 # maxRows               4096
 
 # enable/disable compression
-# comp                  1
+# comp                  2
 
-# number of days per DB file
-# days                  10
+# set write ahead log (WAL) level
+# walLevel              1
 
-# number of days to keep DB file
-# keep                  3650
+# When walLevel is set to 2, the cycle of fsync is executed
+# fsync                 3000
 
 # number of replications, for cluster version only 
 # replica               1
 
+# mqtt uri  
+# mqttBrokerAddress     mqtt://username:password@hostname:1883/taos/
+
+# mqtt client name 
+# mqttBrokerClientId    taos_mqtt
+
+# 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
+
+# Support 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 from client for dnode
 # maxShellConns         5000
 
@@ -137,50 +180,36 @@
 # Stop writing data when the disk size of the log folder is less than this value
 # minimalDataDirGB      0.1
 
-# number of seconds allowed for a dnode to be offline, for cluster version only 
-# offlineThreshold      8640000
-
 # start http service
 # http                  1
 
-# start system monitor module
-# monitor               1
-
 # start muqq service
 # mqtt                  0
 
-# mqtt uri  
-# mqttBrokerAddress     mqtt://username:password@hostname:1883/taos/
-
-# mqtt client name 
-# mqttBrokerClientId    taos_mqtt
+# start system monitor module
+# monitor               1
 
-# maximum number of rows returned by the restful interface
-# restfulRowLimit       10240
+# Record the SQL through restful interface
+# httpEnableRecordSql   0
 
 # number of threads used to process http requests
 # httpMaxThreads        2
 
-# The minimum time to wait before the first stream execution
-# maxFirstStreamCompDelay   10000
-
-# Retry wait time benchmark
-# retryStreamCompDelay      10
-
-# the delayed time for launching each continuous query. 10% of the whole computing time window by default.
-# streamCompDelayRatio  0.1
-
-# the max allowed delayed time for launching continuous query. 20ms by default
-# maxStreamCompDelay    20000
+# 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
+
 # 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 info, warning and error to log.
-# 199: output debug, info, warning and error to both screen and file
+# 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
@@ -236,9 +265,6 @@
 # debug flag for http server
 # tsdbDebugFlag         131
 
-# Record the SQL through restful interface
-# httpEnableRecordSql   0
-
 # Record the SQL in taos client
 # tscEnableRecordSql    0