docs: add slow log descriptions
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@ -443,6 +443,26 @@ The charset that takes effect is UTF-8.
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| Default Value | 0 |
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| Note | When it's bigger than 0, the log file would be renamed to "taosdlog.xxx" in which "xxx" is the timestamp when the file is changed last time |
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### slowLogThreshold
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| Attribute | Description |
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| ------------- | -------------------------------------------------------------------------------------------------------- |
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| Applicable | Client only |
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| Meaning | When an operation execution time exceeds this threshold, the operation will be logged in slow log file |
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| Unit | second |
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| Default Value | 3 |
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| Note | All slow operations will be logged in file "taosSlowLog" in the log directory |
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### slowLogScope
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| Attribute | Description |
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| --------------- | ----------------------------------------------------------------------- |
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| Applicable | Client only |
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| Meaning | Slow log type to be logged |
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| Optional Values | ALL, QUERY, INSERT, OTHERS, NONE |
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| Default Value | ALL |
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| Note | All slow operations will be logged by default, one option could be set |
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### debugFlag
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| Attribute | Description |
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@ -461,6 +461,26 @@ charset 的有效值是 UTF-8。
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| 缺省值 | 0 |
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| 补充说明 | 大于 0 时,日志文件会被重命名为 taosdlog.xxx,其中 xxx 为日志文件最后修改的时间戳。 |
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### slowLogThreshold
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| 属性 | 说明 |
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| -------- | ------------------------------------------------------------- |
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| 适用范围 | 仅客户端适用 |
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| 含义 | 指定慢查询门限值,大于等于门限值认为是慢查询 |
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| 单位 | 秒 |
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| 缺省值 | 3 |
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| 补充说明 | 每个客户端中所有慢查询会被记录在日志目录下的taosSlowLog文件中 |
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### slowLogScope
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| 属性 | 说明 |
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| -------- | --------------------------------------------------------------|
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| 适用范围 | 仅客户端适用 |
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| 含义 | 指定启动记录哪些类型的慢查询 |
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| 可选值 | ALL, QUERY, INSERT, OTHERS, NONE |
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| 缺省值 | ALL |
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| 补充说明 | 默认记录所有类型的慢查询,可通过配置只记录某一类型的慢查询 |
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### debugFlag
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| 属性 | 说明 |
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