[
https://issues.apache.org/jira/browse/SPARK-23457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Wenchen Fan resolved SPARK-23457.
---------------------------------
Resolution: Fixed
Fix Version/s: 2.4.0
Issue resolved by pull request 20619
[https://github.com/apache/spark/pull/20619]
> Register task completion listeners first for ParquetFileFormat
> --------------------------------------------------------------
>
> Key: SPARK-23457
> URL: https://issues.apache.org/jira/browse/SPARK-23457
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.3.0
> Reporter: Dongjoon Hyun
> Assignee: Dongjoon Hyun
> Priority: Major
> Fix For: 2.4.0
>
>
> ParquetFileFormat leaks open files in some cases. This issue aims to register
> task completion listener first.
> {code}
> test("SPARK-23390 Register task completion listeners first in
> ParquetFileFormat") {
> withSQLConf(SQLConf.PARQUET_VECTORIZED_READER_BATCH_SIZE.key ->
> s"${Int.MaxValue}") {
> withTempDir { dir =>
> val basePath = dir.getCanonicalPath
> Seq(0).toDF("a").write.format("parquet").save(new Path(basePath,
> "first").toString)
> Seq(1).toDF("a").write.format("parquet").save(new Path(basePath,
> "second").toString)
> val df = spark.read.parquet(
> new Path(basePath, "first").toString,
> new Path(basePath, "second").toString)
> val e = intercept[SparkException] {
> df.collect()
> }
> assert(e.getCause.isInstanceOf[OutOfMemoryError])
> }
> }
> }
> {code}
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