zhendongcmss opened a new issue #5347:
URL: https://github.com/apache/apisix/issues/5347
### Issue description
upsteam is cepg rgw endpoint. apisix doesn't send data to upsteam when
upload big file.
Ctrl - C abort the upload command. the file is 1G and already upload 60%,
but upstream doesn't received any data. apisix cache the data.
```
[root@node3 zhendong]# s3cmd put 1G-1234567890 ls s3://onest-k8s/fake
--disable-multipart
upload: '1G-1234567890' -> 's3://onest-k8s/fake' [1 of 1]
701235200 of 1073741824 65% in 5s 121.13 MB/s^CSee ya!
```
### Environment
- apisix version (cmd: `apisix version`): 2.7
- OS (cmd: `uname -a`):
- OpenResty / Nginx version (cmd: `nginx -V` or `openresty -V`):
- etcd version, if have (cmd: run `curl
http://127.0.0.1:9090/v1/server_info` to get the info from server-info API):
- apisix-dashboard version, if have:
- the plugin runner version, if the issue is about a plugin runner (cmd:
depended on the kind of runner):
- luarocks version, if the issue is about installation (cmd: `luarocks
--version`):
### Steps to reproduce
confi.yaml
```
proxy_buffering: "off" # Enables or disables buffering of
responses from the proxied server.
proxy_request_buffering: "off" # Enables or disables buffering of a
client request body.
proxy_http_version: 1.1
client_max_body_size: 0
client_body_postpone_size: 0
```
routes
```
curl http://127.0.0.1:9080/apisix/admin/routes/1 -H 'X-API-KEY:
edd1c9f034335f136f87ad84b625c8f1' -X PUT -i -d '
{
"uri": "/*",
"upstream": {
"type": "roundrobin",
"nodes": {
"127.0.0.1:8881": 1
}
}
}'
```
### Actual result
access.log
access_log_format: "$remote_addr - $remote_user [$fmt_ms_time_local]
$http_host \"$request\" $status $body_bytes_sent $content_length $request_time
\"$http_referer\" \"$http_user_agent\" $http_x_request_id $http_x_amz_target
$upstream_addr $upstream_status $upstream_connect_time $upstream_header_time
$upstream_response_time"
127.0.0.1 - - [2021-10-27 14:27:36.004] 127.0.0.1:9080 "PUT /onest-k8s/fake
HTTP/1.1" 400 0 1073741824 2.347 "-" "-" - - - - - - -
### Error log
no
### Expected result
_No response_
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