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https://issues.apache.org/jira/browse/SPARK-18532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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holdenk updated SPARK-18532:
----------------------------
Component/s: (was: Spark Core)
SQL
> Code generation memory issue
> ----------------------------
>
> Key: SPARK-18532
> URL: https://issues.apache.org/jira/browse/SPARK-18532
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.2
> Environment: osx / macbook pro / local spark
> Reporter: Georg Heiler
>
> Trying to create a spark data frame with multiple additional columns based on
> conditions like this
> df
> .withColumn("name1", someCondition1)
> .withColumn("name2", someCondition2)
> .withColumn("name3", someCondition3)
> .withColumn("name4", someCondition4)
> .withColumn("name5", someCondition5)
> .withColumn("name6", someCondition6)
> .withColumn("name7", someCondition7)
> I am faced with the following exception in case more than 6 .withColumn
> clauses are added
> org.codehaus.janino.JaninoRuntimeException: Code of method "()V" of class
> "org.apache.spark.sql.catalyst.expressions.GeneratedClass$GeneratedIterator"
> grows beyond 64 KB
> f even more columns are created e.g. around 20 I do no longer receive the
> aforementioned exception, but rather get the following error after 5 minutes
> of waiting:
> java.lang.OutOfMemoryError: GC overhead limit exceeded
> What I want to perform is a spelling/error correction. some simple cases
> could be handled easily via a map& replacement in a UDF. Still, several other
> cases with multiple chained conditions remain.
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