liaoxin01 opened a new pull request, #53104:
URL: https://github.com/apache/doris/pull/53104
### What problem does this PR solve?
Issue Number: close #xxx
Related PR: #42881
Problem Summary:
Supports flexible endpoint configuration for Stream Load operations,
allowing you to control how load requests are redirected.
## BE Support multiple addresses
Each Doris BE node now supports three types of addresses:
- `be_host`: used for internal communication within the Doris cluster.
- `public_endpoint`: used for external public access.
- `private_endpoint`: used for external private access.
All three addresses can be selected as the target for Stream Load
operations.
## Redirect Policies
When sending Stream Load requests, you can specify a redirect policy using
the `redirect-policy` header. Available policies are:
- `direct`: Redirects to the backend's host.
- `public`: Redirects to the public endpoint of the backend.
- `private`: Redirects to the private endpoint of the backend.
- `""` (empty/default): If request host equals to backend's public endpoint,
redirects to the public endpoint.
If private endpoint of backend is set, redirects to the private
endpoint. Otherwise, redirects to the backend's host.
## Configuration Methods
```sql
-- Add/Modify BE with custom endpoints
ALTER SYSTEM ADD BACKEND 'be_host1:heartbeat_port1',
'be_host2:heartbeat_port2' properties(
'tag.public_endpoint' = '11.10.10.10:8010',
'tag.private_endpoint' = '10.10.10.9:8020'
);
ALTER SYSTEM MODIFY BACKEND 'be_host1:heartbeat_port1',
'be_host2:heartbeat_port2' SET (
'tag.public_endpoint' = '11.10.10.10:8010',
'tag.private_endpoint' = '10.10.10.9:8020'
);
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [ ] Unit Test
- [ ] Manual test (add detailed scripts or steps below)
- [ ] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [ ] Other reason <!-- Add your reason? -->
- Behavior changed:
- [ ] No.
- [ ] Yes. <!-- Explain the behavior change -->
- Does this need documentation?
- [ ] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label <!-- Add branch pick label that this PR should
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