CRZbulabula opened a new pull request, #18336:
URL: https://github.com/apache/iotdb/pull/18336
## Description
When `wal_throttle_threshold_in_byte` is hot-reloaded from a positive value
to a negative value, the loader skips the in-memory update because it only
applies positive values. As a result, the configuration file represents the
default fallback while IoTConsensus continues throttling writes with the
previous threshold.
This PR:
- resolves a negative WAL throttle threshold to the template default before
updating the runtime configuration;
- exposes the resolved runtime threshold through `SHOW CONFIGURATION`;
- adds a regression test covering a positive threshold followed by `-1`.
## Tests
- `mvn test -pl iotdb-core/datanode -am -Dtest=PropertiesTest
-DfailIfNoTests=false -Dsurefire.failIfNoSpecifiedTests=false`
- Tests run: 6, Failures: 0, Errors: 0, Skipped: 0
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