[CASSANDRA-15313] Fix flaky - ChecksummingTransformerTest - org.apache.cassandra.transport.frame.checksum.ChecksummingTransformerTest

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 4.0-beta4, 4.0
• Component/s: Test/unit
• Bug Category: Correctness - Test Failure
• Severity: Normal
• Complexity: Low Hanging Fruit
• Discovered By: User Report
• Platform: All

Test and Documentation Plan

Trying to get this thing to Blocked. That's the plan.

• Assignee: Brandon Williams
• Reporter: Vinay Chella

Authors

Brandon Williams

• Created: 06/Sep/19 22:06
• Updated: 21/Dec/20 08:56
• Resolved: 16/Dec/20 16:06

Description

During the recent runs, this test appears to be flaky.

Example failure: https://circleci.com/gh/vinaykumarchella/cassandra/459#tests/containers/94

corruptionCausesFailure-compression - org.apache.cassandra.transport.frame.checksum.ChecksummingTransformerTest

java.lang.OutOfMemoryError: GC overhead limit exceeded
	at java.nio.HeapByteBuffer.<init>(HeapByteBuffer.java:57)
	at java.nio.ByteBuffer.allocate(ByteBuffer.java:335)
	at org.quicktheories.impl.Precursor.<init>(Precursor.java:17)
	at org.quicktheories.impl.ConcreteDetachedSource.<init>(ConcreteDetachedSource.java:8)
	at org.quicktheories.impl.ConcreteDetachedSource.detach(ConcreteDetachedSource.java:23)
	at org.quicktheories.generators.Retry.generate(CodePoints.java:51)
	at org.quicktheories.generators.Generate.lambda$intArrays$10(Generate.java:190)
	at org.quicktheories.generators.Generate$$Lambda$17/1847008471.generate(Unknown Source)
	at org.quicktheories.core.DescribingGenerator.generate(Gen.java:255)
	at org.quicktheories.core.Gen.lambda$map$0(Gen.java:36)
	at org.quicktheories.core.Gen$$Lambda$20/71399214.generate(Unknown Source)
	at org.quicktheories.core.Gen.lambda$map$0(Gen.java:36)
	at org.quicktheories.core.Gen$$Lambda$20/71399214.generate(Unknown Source)
	at org.quicktheories.core.Gen.lambda$mix$10(Gen.java:184)
	at org.quicktheories.core.Gen$$Lambda$45/802243390.generate(Unknown Source)
	at org.quicktheories.core.Gen.lambda$flatMap$5(Gen.java:93)
	at org.quicktheories.core.Gen$$Lambda$48/363509958.generate(Unknown Source)
	at org.quicktheories.dsl.TheoryBuilder4.lambda$prgnToTuple$12(TheoryBuilder4.java:188)
	at org.quicktheories.dsl.TheoryBuilder4$$Lambda$40/2003496028.generate(Unknown Source)
	at org.quicktheories.core.DescribingGenerator.generate(Gen.java:255)
	at org.quicktheories.core.FilteredGenerator.generate(Gen.java:225)
	at org.quicktheories.core.Gen.lambda$map$0(Gen.java:36)
	at org.quicktheories.core.Gen$$Lambda$20/71399214.generate(Unknown Source)
	at org.quicktheories.impl.Core.generate(Core.java:150)
	at org.quicktheories.impl.Core.shrink(Core.java:103)
	at org.quicktheories.impl.Core.run(Core.java:39)
	at org.quicktheories.impl.TheoryRunner.check(TheoryRunner.java:35)
	at org.quicktheories.dsl.TheoryBuilder4.check(TheoryBuilder4.java:150)
	at org.quicktheories.dsl.TheoryBuilder4.checkAssert(TheoryBuilder4.java:162)
	at org.apache.cassandra.transport.frame.checksum.ChecksummingTransformerTest.corruptionCausesFailure(ChecksummingTransformerTest.java:87)

Issue Links

• is blocked by: CASSANDRA-15299 CASSANDRA-13304 follow-up: improve checksumming and compression in protocol v5-beta
• is duplicated by: CASSANDRA-15786 ChecksummingTransformerTest#corruptionCausesFailure fails for seed 43595190254702
• is related to: CASSANDRA-15556 When a LZ4 stream is corrupted it could cause the JVM to crash
• is related to: CASSANDRA-15299 CASSANDRA-13304 follow-up: improve checksumming and compression in protocol v5-beta
• is related to: CASSANDRA-15554 Set QT_SHRINKS=0 project wide

Sub-Tasks

• Lower the amount of garbage ChecksummingTransformerTest generates by reusing memory: Resolved
• When a LZ4 stream is corrupted it could cause the JVM to crash: Resolved