[SPARK-25753][CORE][2.4] Fix reading small files via BinaryFileRDD #26026
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## What changes were proposed in this pull request? This is a follow up of apache#21601, `StreamFileInputFormat` and `WholeTextFileInputFormat` have the same problem. `Minimum split size pernode 5123456 cannot be larger than maximum split size 4194304 java.io.IOException: Minimum split size pernode 5123456 cannot be larger than maximum split size 4194304 at org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat.getSplits(CombineFileInputFormat.java: 201) at org.apache.spark.rdd.BinaryFileRDD.getPartitions(BinaryFileRDD.scala:52) at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:254) at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:252) at scala.Option.getOrElse(Option.scala:121) at org.apache.spark.rdd.RDD.partitions(RDD.scala:252) at org.apache.spark.SparkContext.runJob(SparkContext.scala:2138)` ## How was this patch tested? Added a unit test Closes apache#22725 from 10110346/maxSplitSize_node_rack. Authored-by: liuxian <liu.xian3@zte.com.cn> Signed-off-by: Thomas Graves <tgraves@apache.org>
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Test build #111782 has finished for PR 26026 at commit
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tgravescs
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Oct 4, 2019
dhruve
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srowen
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Oct 4, 2019
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Updated the description. |
dongjoon-hyun
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dongjoon-hyun
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Oct 4, 2019
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+1, LGTM. Thank you, @dhruve , @tgravescs , @srowen .
Merged to branch-2.4.
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### What changes were proposed in this pull request? This is a clean cherry pick of #22725 from master to 2.4 This is a follow up of #21601, `StreamFileInputFormat` and `WholeTextFileInputFormat` have the same problem. `Minimum split size pernode 5123456 cannot be larger than maximum split size 4194304 java.io.IOException: Minimum split size pernode 5123456 cannot be larger than maximum split size 4194304 at org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat.getSplits(CombineFileInputFormat.java: 201) at org.apache.spark.rdd.BinaryFileRDD.getPartitions(BinaryFileRDD.scala:52) at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:254) at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:252) at scala.Option.getOrElse(Option.scala:121) at org.apache.spark.rdd.RDD.partitions(RDD.scala:252) at org.apache.spark.SparkContext.runJob(SparkContext.scala:2138)` ### Why are the changes needed? This is an existing bug which was fixed in master, but not back ported to 2.4. ### Does this PR introduce any user-facing change? No ### How was this patch tested? The original patch added a unit test. Ran the unit test that was added in the original patch and manually verified the changes by creating a multiline csv and loading it in spark shell. Closes #26026 from dhruve/fix/SPARK-25753/2.4. Authored-by: liuxian <liu.xian3@zte.com.cn> Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
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What changes were proposed in this pull request?
This is a clean cherry pick of #22725 from master to 2.4
This is a follow up of #21601,
StreamFileInputFormatandWholeTextFileInputFormathave the same problem.Minimum split size pernode 5123456 cannot be larger than maximum split size 4194304 java.io.IOException: Minimum split size pernode 5123456 cannot be larger than maximum split size 4194304 at org.apache.hadoop.mapreduce.lib.input.CombineFileInputFormat.getSplits(CombineFileInputFormat.java: 201) at org.apache.spark.rdd.BinaryFileRDD.getPartitions(BinaryFileRDD.scala:52) at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:254) at org.apache.spark.rdd.RDD$$anonfun$partitions$2.apply(RDD.scala:252) at scala.Option.getOrElse(Option.scala:121) at org.apache.spark.rdd.RDD.partitions(RDD.scala:252) at org.apache.spark.SparkContext.runJob(SparkContext.scala:2138)Why are the changes needed?
This is an existing bug which was fixed in master, but not back ported to 2.4.
Does this PR introduce any user-facing change?
No
How was this patch tested?
The original patch added a unit test.
Ran the unit test that was added in the original patch and manually verified the changes by creating a multiline csv and loading it in spark shell.