py023 opened a new pull request, #69014:
URL: https://github.com/apache/doris/pull/69014
### What problem does this PR solve?
Issue Number: None
Related PR: None
Problem Summary: fe-core starts a fresh JVM for each test class. Default CPU
ergonomics and higher-tier compilation add substantial work to short-lived
forks. Pass ActiveProcessorCount=2 and TieredStopAtLevel=1 from run-fe-ut.sh to
the fe-core Surefire JVMs. Allow FE_UT_JAVA_OPTS to override the defaults,
including an empty value to restore the baseline.
Preserve FE_UT_PARALLEL, per-class process isolation and JaCoCo argLine.
Direct Maven invocations retain their existing defaults. A local 64-class
sample with 8 forks reduced mean CPU time from 1679.84s to 633.31s (62.3%) and
Surefire wall time from 139.82s to 125.58s (10.2%) across two runs. These are
sample measurements, not a full FE UT or CI speedup guarantee.
### Release note
None
### Check List (For Author)
- Test: Unit Test / Manual test: run-fe-ut.sh --coverage --run
org.apache.doris.nereids.parser.NereidsParserTest (90 passed); Maven
Checkstyle; live JVM flags and JaCoCo; Bash/POSIX syntax; all four entry
branches, empty/custom options, parallelism and failure propagation; git diff
--check
- Behavior changed: Yes, default JVM options for fe-core tests launched by
run-fe-ut.sh
- Does this need documentation: No, the environment override is documented
in script usage
### What problem does this PR solve?
Issue Number: close #xxx
Related PR: #xxx
Problem Summary:
### 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
merge into -->
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