ziyou434 opened a new issue #3062:
URL: https://github.com/apache/apisix/issues/3062
### Issue description
When I was debugging Apisix with app colleagues, I found that
core.requ.get_body () could not read the whole body. Our body length was over
40,000 characters, but the body printed from the log was only over 10,000
characters.
I found the fuction was upgrade in 2.1 version.
```
function _M.get_body(max_size, ctx)
-- TODO: improve the check with set client_max_body dynamically
-- which requires to change Nginx source code
```
Then I change the client_max_body in config.yaml
```yaml
client_max_body_size: 512m # The maximum allowed size of the client
request body.
```
But I still can only get those 10,000 characters, How should I set it?
### Environment
* apisix version (cmd: `apisix version`): 2.1
* OS: linux
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