Github user zhijiangW commented on a diff in the pull request: https://github.com/apache/flink/pull/4559#discussion_r157693477 --- Diff: flink-runtime/src/test/java/org/apache/flink/runtime/io/network/partition/SpillableSubpartitionTest.java --- @@ -181,10 +182,27 @@ public void testConsumeSpilledPartition() throws Exception { partition.add(buffer); partition.add(buffer); + assertEquals(3, partition.getTotalNumberOfBuffers()); + assertEquals(3, partition.getBuffersInBacklog()); + assertEquals(4096 * 3, partition.getTotalNumberOfBytes()); + + assertFalse(buffer.isRecycled()); assertEquals(3, partition.releaseMemory()); + // now the buffer may be freed, depending on the timing of the write operation + // -> let's do this check at the end of the test (to save some time) + // still same statistics + assertEquals(3, partition.getTotalNumberOfBuffers()); + assertEquals(3, partition.getBuffersInBacklog()); + assertEquals(4096 * 3, partition.getTotalNumberOfBytes()); + partition.finish(); + // + one EndOfPartitionEvent + assertEquals(4, partition.getTotalNumberOfBuffers()); + assertEquals(3, partition.getBuffersInBacklog()); + assertEquals(4096 * 3 + 4, partition.getTotalNumberOfBytes()); --- End diff -- sure
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