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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2017/07/02 08:33:02 UTC
[jira] [Assigned] (SPARK-21271) UnsafeRow.hashCode assertion when
sizeInBytes not multiple of 8
[ https://issues.apache.org/jira/browse/SPARK-21271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-21271:
------------------------------------
Assignee: (was: Apache Spark)
> UnsafeRow.hashCode assertion when sizeInBytes not multiple of 8
> ---------------------------------------------------------------
>
> Key: SPARK-21271
> URL: https://issues.apache.org/jira/browse/SPARK-21271
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.2.0
> Reporter: Bogdan Raducanu
>
> The method is:
> {code}
> public int hashCode() {
> return Murmur3_x86_32.hashUnsafeWords(baseObject, baseOffset, sizeInBytes, 42);
> }
> {code}
> but sizeInBytes is not always a multiple of 8 (in which case hashUnsafeWords throws assertion) - for example here: {code}FixedLengthRowBasedKeyValueBatch.appendRow{code}
> The fix could be to use hashUnsafeBytes or to use hashUnsafeWords but on a prefix that is multiple of 8.
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