yew1eb opened a new pull request, #1620:
URL: https://github.com/apache/auron/pull/1620
# Which issue does this PR close?
Closes #1602 .
# Rationale for this change
Decouples the initialization of the `AuronAdaptor` instance from the
dependency on the implementation of `SparkAuronAdaptor` through the SPI
mechanism.
# What changes are included in this PR?
- Refactor `AuronAdaptor.getInstance()` to use double-checked locking +
`ServiceLoader`
- Add `AuronAdaptorProvider` SPI interface
- Implement `SparkAuronAdaptorProvider` in `spark-extension`
- Register provider via `META-INF/services` in `spark-extension`
# Are there any user-facing changes?
No
# How was this patch tested?
Unit tests in `AuronAdaptorTest`:
- Verify SPI loads `MockAuronAdaptor` via `META-INF/services`.
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