From 7da33ce5057ff965eec19ce662465b64a3564019 Mon Sep 17 00:00:00 2001 From: Josh Rosen Date: Thu, 14 May 2015 23:17:41 -0700 Subject: [PATCH] [HOTFIX] Add workaround for SPARK-7660 to fix JavaAPISuite failures. --- .../spark/shuffle/unsafe/UnsafeShuffleWriterSuite.java | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/core/src/test/java/org/apache/spark/shuffle/unsafe/UnsafeShuffleWriterSuite.java b/core/src/test/java/org/apache/spark/shuffle/unsafe/UnsafeShuffleWriterSuite.java index 730d265c87f88..78e52643531e0 100644 --- a/core/src/test/java/org/apache/spark/shuffle/unsafe/UnsafeShuffleWriterSuite.java +++ b/core/src/test/java/org/apache/spark/shuffle/unsafe/UnsafeShuffleWriterSuite.java @@ -35,6 +35,7 @@ import org.mockito.MockitoAnnotations; import org.mockito.invocation.InvocationOnMock; import org.mockito.stubbing.Answer; +import org.xerial.snappy.buffer.CachedBufferAllocator; import static org.hamcrest.MatcherAssert.assertThat; import static org.hamcrest.Matchers.greaterThan; import static org.hamcrest.Matchers.lessThan; @@ -96,6 +97,13 @@ public OutputStream apply(OutputStream stream) { @After public void tearDown() { Utils.deleteRecursively(tempDir); + // This call is a workaround for SPARK-7660, a snappy-java bug which is exposed by this test + // suite. Clearing the cached buffer allocator's pool of reusable buffers masks this bug, + // preventing a test failure in JavaAPISuite that would otherwise occur. The underlying bug + // needs to be fixed, but in the meantime this workaround avoids spurious Jenkins failures. + synchronized (CachedBufferAllocator.class) { + CachedBufferAllocator.queueTable.clear(); + } final long leakedMemory = taskMemoryManager.cleanUpAllAllocatedMemory(); if (leakedMemory != 0) { fail("Test leaked " + leakedMemory + " bytes of managed memory");