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[SPARK-23399][SQL] Register a task completion listener first for OrcColumnarBatchReader #20590

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[SPARK-23399][SQL] Register a task completion listener first for OrcColumnarBatchReader #20590

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[SPARK-23399][SQL] Register a task completion listner first for OrcCo…
dongjoon-hyun Feb 12, 2018
3b8cb0a
Add a manual test case.
dongjoon-hyun Feb 13, 2018
d4cc32e
fix typo
dongjoon-hyun Feb 13, 2018
5a9fa0b
Remove test case.
dongjoon-hyun Feb 13, 2018
18c2485
Add comments.
dongjoon-hyun Feb 13, 2018
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Add a manual test case.
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@dongjoon-hyun
dongjoon-hyun committed Feb 13, 2018
commit 3b8cb0a1def32924afd3e4b9e4fc702e1d53d36a
21 changes: 21 additions & 0 deletions sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/orc/OrcSourceSuite.scala
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Expand Up @@ -20,9 +20,11 @@ package org.apache.spark.sql.execution.datasources.orc
import java.io.File
import java.util.Locale

import org.apache.hadoop.fs.Path
import org.apache.orc.OrcConf.COMPRESS
import org.scalatest.BeforeAndAfterAll

import org.apache.spark.SparkException
import org.apache.spark.sql.Row
import org.apache.spark.sql.internal.SQLConf
import org.apache.spark.sql.test.SharedSQLContext
Expand Down Expand Up @@ -160,6 +162,25 @@ abstract class OrcSuite extends OrcTest with BeforeAndAfterAll {
}
}
}

// This should be tested manually because it raises OOM intentionally
// in order to cause `Leaked filesystem connection`. The test suite dies, too.
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@cloud-fan cloud-fan Feb 13, 2018

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ah, nice trick to fail the reader midway!

But it's a little weird to have it as a unit test, shall we just put it in the PR description and say it's manually tested? This test needs to be run manually anyway...

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@dongjoon-hyun dongjoon-hyun Feb 13, 2018

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Sure!

ignore("SPARK-23399 Register a task completion listner first for OrcColumnarBatchReader") {
withSQLConf(SQLConf.ORC_VECTORIZED_READER_BATCH_SIZE.key -> s"${Int.MaxValue}") {
withTempDir { dir =>
val basePath = dir.getCanonicalPath
Seq(0).toDF("a").write.format("orc").save(new Path(basePath, "first").toString)
Seq(1).toDF("a").write.format("orc").save(new Path(basePath, "second").toString)
val df = spark.read.orc(
new Path(basePath, "first").toString,
new Path(basePath, "second").toString)
val e = intercept[SparkException] {
df.collect()
}
assert(e.getCause.isInstanceOf[OutOfMemoryError])
}
}
}
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@dongjoon-hyun dongjoon-hyun Feb 13, 2018 •
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Hi, All.
The above test case generates the same leakage reported in JIRA.
And, this PR fixes that. Please try this test case in IntelliJ with the master branch.

}

class OrcSourceSuite extends OrcSuite with SharedSQLContext {
Expand Down