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feat: dynamic enable or disable trace (#6609)

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* wip

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* set `TRACE_RELOAD_HANDLE`

Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>

* wrap http api

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* update dependencies

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* type alias and unwrap_or_else

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* better error handling

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* simplify

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* lazy initialize tracer

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

* integration test

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>

---------

Signed-off-by: Ruihang Xia <waynestxia@gmail.com>
Signed-off-by: Zhenchi <zhongzc_arch@outlook.com>
Co-authored-by: Zhenchi <zhongzc_arch@outlook.com>
This commit is contained in:
Ruihang Xia
2025-11-17 20:16:46 +08:00
committed by GitHub
parent 1eb8d6b76b
commit cc61af7c65
11 changed files with 240 additions and 46 deletions
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17
docs/how-to/how-to-change-log-level-on-the-fly.md
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@@ -13,4 +13,19 @@ Log Level changed from Some("info") to "trace,flow=debug"%
The data is a string in the format of `global_level,module1=level1,module2=level2,...` that follows the same rule of `RUST_LOG`.
The module is the module name of the log, and the level is the log level. The log level can be one of the following: `trace`, `debug`, `info`, `warn`, `error`, `off`(case insensitive).
The module is the module name of the log, and the level is the log level. The log level can be one of the following: `trace`, `debug`, `info`, `warn`, `error`, `off`(case insensitive).
# Enable/Disable Trace on the Fly
## HTTP API
example:
```bash
curl --data "true" 127.0.0.1:4000/debug/enable_trace
```
And database will reply with something like:
```
trace enabled%
```
Possible values are "true" or "false".