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Posted to issues@spark.apache.org by "Dongjoon Hyun (Jira)" <ji...@apache.org> on 2019/09/05 17:47:00 UTC
[jira] [Commented] (SPARK-28981) Missing library for
reading/writing Snappy-compressed files
[ https://issues.apache.org/jira/browse/SPARK-28981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16923652#comment-16923652 ]
Dongjoon Hyun commented on SPARK-28981:
---------------------------------------
[~psschwei]. If you still see this in 2.4.4, please feel free to reopen this.
> Missing library for reading/writing Snappy-compressed files
> -----------------------------------------------------------
>
> Key: SPARK-28981
> URL: https://issues.apache.org/jira/browse/SPARK-28981
> Project: Spark
> Issue Type: Bug
> Components: Kubernetes
> Affects Versions: 2.4.4
> Reporter: Paul Schweigert
> Priority: Minor
>
> The current Dockerfile for Spark on Kubernetes is missing the "ld-linux-x86-64.so.2" library needed to read / write Snappy-compressed files.
>
> Sample error message when trying to read a parquet file compressed with snappy:
>
> {code:java}
> 19/09/02 05:33:19 WARN TaskSetManager: Lost task 0.0 in stage 2.0 (TID 2, 172.30.189.77, executor 2): org.apache.spark.SparkException: Task failed while writing rows.
> at org.apache.spark.sql.execution.datasources.FileFormatWriter$.org$apache$spark$sql$execution$datasources$FileFormatWriter$$executeTask(FileFormatWriter.scala:257)
> at org.apache.spark.sql.execution.datasources.FileFormatWriter$$anonfun$write$1.apply(FileFormatWriter.scala:170)
> at org.apache.spark.sql.execution.datasources.FileFormatWriter$$anonfun$write$1.apply(FileFormatWriter.scala:169)
> at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
> at org.apache.spark.scheduler.Task.run(Task.scala:121)
> at org.apache.spark.executor.Executor$TaskRunner$$anonfun$10.apply(Executor.scala:408)
> at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1360)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:414)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.UnsatisfiedLinkError: /tmp/snappy-1.1.7-04145e2f-cc82-4217-99b8-641cdd755a87-libsnappyjava.so: Error loading shared library ld-linux-x86-64.so.2: No such file or directory (needed by /tmp/snappy-1.1.7-04145e2f-cc82-4217-99b8-641cdd755a87-libsnappyjava.so)
> at java.lang.ClassLoader$NativeLibrary.load(Native Method)
> at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1941)
> at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1824)
> at java.lang.Runtime.load0(Runtime.java:809)
> at java.lang.System.load(System.java:1086)
> at org.xerial.snappy.SnappyLoader.loadNativeLibrary(SnappyLoader.java:179)
> at org.xerial.snappy.SnappyLoader.loadSnappyApi(SnappyLoader.java:154)
> at org.xerial.snappy.Snappy.<clinit>(Snappy.java:47)
> at org.apache.parquet.hadoop.codec.SnappyCompressor.compress(SnappyCompressor.java:67)
> at org.apache.hadoop.io.compress.CompressorStream.compress(CompressorStream.java:81)
> at org.apache.hadoop.io.compress.CompressorStream.finish(CompressorStream.java:92)
> at org.apache.parquet.hadoop.CodecFactory$HeapBytesCompressor.compress(CodecFactory.java:165)
> at org.apache.parquet.hadoop.ColumnChunkPageWriteStore$ColumnChunkPageWriter.writePage(ColumnChunkPageWriteStore.java:95)
> at org.apache.parquet.column.impl.ColumnWriterV1.writePage(ColumnWriterV1.java:147)
> at org.apache.parquet.column.impl.ColumnWriterV1.flush(ColumnWriterV1.java:235)
> at org.apache.parquet.column.impl.ColumnWriteStoreV1.flush(ColumnWriteStoreV1.java:122)
> at org.apache.parquet.hadoop.InternalParquetRecordWriter.flushRowGroupToStore(InternalParquetRecordWriter.java:172)
> at org.apache.parquet.hadoop.InternalParquetRecordWriter.close(InternalParquetRecordWriter.java:114)
> at org.apache.parquet.hadoop.ParquetRecordWriter.close(ParquetRecordWriter.java:165)
> at org.apache.spark.sql.execution.datasources.parquet.ParquetOutputWriter.close(ParquetOutputWriter.scala:42)
> at org.apache.spark.sql.execution.datasources.FileFormatDataWriter.releaseResources(FileFormatDataWriter.scala:57)
> at org.apache.spark.sql.execution.datasources.FileFormatDataWriter.commit(FileFormatDataWriter.scala:74)
> at org.apache.spark.sql.execution.datasources.FileFormatWriter$$anonfun$org$apache$spark$sql$execution$datasources$FileFormatWriter$$executeTask$3.apply(FileFormatWriter.scala:247)
> at org.apache.spark.sql.execution.datasources.FileFormatWriter$$anonfun$org$apache$spark$sql$execution$datasources$FileFormatWriter$$executeTask$3.apply(FileFormatWriter.scala:242)
> at org.apache.spark.util.Utils$.tryWithSafeFinallyAndFailureCallbacks(Utils.scala:1394)
> at org.apache.spark.sql.execution.datasources.FileFormatWriter$.org$apache$spark$sql$execution$datasources$FileFormatWriter$$executeTask(FileFormatWriter.scala:248)
> ... 10 more
> {code}
> The relevant library is in the Alpine Linux "gcompat" package ([https://pkgs.alpinelinux.org/package/edge/community/x86/gcompat]). Adding this library to the Dockerfile enables the reading/writing of Snappy-compressed files.
>
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