mirror of https://github.com/halo-dev/halo
fb9aff00ca
#### What type of PR is this?
/kind improvement
/area core
/milestone 2.20.x
#### What this PR does / why we need it:
This PR adds chunked transfer support for rendering templates, which means that the max memory used by rendering template will be max chunk size instead of size of rendering result.
Users can define the max chunk size like below:
```yaml
spring:
thymeleaf:
reactive:
maxChunkSize: 8KB # Setting to 0 will disable the chunked response.
```
#### Special notes for your reviewer:
1. Try to start Halo instance
2. Execute the command like below and see if the response headers contain `transfer-encoding: chunked`:
```bash
http http://localhost:8090/ -p h
HTTP/1.1 200 OK
Cache-Control: no-cache, no-store, max-age=0, must-revalidate
Content-Language: en-CN
Content-Type: text/html
Expires: 0
Pragma: no-cache
Referrer-Policy: strict-origin-when-cross-origin
Vary: Origin
Vary: Access-Control-Request-Method
Vary: Access-Control-Request-Headers
X-Content-Type-Options: nosniff
X-Frame-Options: SAMEORIGIN
X-XSS-Protection: 0
content-encoding: gzip
set-cookie: XSRF-TOKEN=1e677724-ce82-4b63-911c-f78b22cd9169; Path=/
transfer-encoding: chunked
```
#### Does this PR introduce a user-facing change?
```release-note
优化模板渲染时所需的内存
```
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