sandbox-perf: Fix broken benchmarks and make sure they stay fixed. #4265
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The `sandbox-perf` build has been failing for a while with the following errors: ``` INFO: From Generating benchmark code for //ledger/sandbox-perf:sandbox-perf_codegen: JMH benchmark generation: JMH Benchmark generator failed JMH benchmark generation: Benchmark classes should not be final. [com.digitalasset.platform.sandbox.perf.LargeTransactionBench] JMH benchmark generation: The instantiated @State class cannot be abstract. [com.digitalasset.platform.sandbox.perf.PerfBenchState] ``` However, these errors are ignored; running the benchmarks runs the `AcsBench` benchmark and ignores the fact `LargeTransactionBench` and `SimpleBench` failed to compile. I've fixed the errors by making sure that classes are not final, and that `SimpleBench` uses a concrete state class. This also introduces a cheap patch to the Scala JMH Bazel rules that makes sure they fail if there are any errors. I'm not really sure how to patch the Bazel rules properly, but someone else might have an idea. :-) CHANGELOG_BEGIN CHANGELOG_END
SamirTalwar
requested review from
gerolf-da,
rautenrieth-da and
stefanobaghino-da
as code owners
stefanobaghino-da
approved these changes
Jan 29, 2020
aherrmann-da
approved these changes
Jan 29, 2020
| @@ -0,0 +1,46 @@ | |||
| diff --git a/src/scala/io/bazel/rules_scala/jmh_support/BenchmarkGenerator.scala b/src/scala/io/bazel/rules_scala/jmh_support/BenchmarkGenerator.scala | |||
Contributor
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That looks good to me, would be great to upstream to https://github.com/bazelbuild/rules_scala
|
FYI @aherrmann-da: this has now been patched upstream in bazel-contrib/rules_scala#977, so when we upgrade Bazel to v2.0, we can potentially upgrade |
Contributor
|
@SamirTalwar-DA Awesome, thanks for upstreaming this! |
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The
sandbox-perfbuild has been failing for a while with the followingerrors:
However, these errors are ignored; running the benchmarks runs the
AcsBenchbenchmark and ignores the factLargeTransactionBenchandSimpleBenchfailed to compile.I've fixed the errors by making sure that classes are not final, and
that
SimpleBenchuses a concrete state class.This also introduces a cheap patch to the Scala JMH Bazel rules that
makes sure they fail if there are any errors.
I'm not really sure how to patch the Bazel rules properly, but someone
else might have an idea. :-)
Closes #4229.
Pull Request Checklist
CHANGELOG_BEGINandCHANGELOG_ENDtagsNOTE: CI is not automatically run on non-members pull-requests for security
reasons. The reviewer will have to comment with
/AzurePipelines runtotrigger the build.