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Posted to issues@orc.apache.org by "David Mollitor (Jira)" <ji...@apache.org> on 2021/07/07 17:06:00 UTC
[jira] [Updated] (ORC-837) Reuse HiveDecimalWritable in
ConvertTreeReaderFactory
[ https://issues.apache.org/jira/browse/ORC-837?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Mollitor updated ORC-837:
-------------------------------
Description:
https://github.com/apache/orc/blob/fb0ed31f15d9b77b76bc5dec8721f5d9ee129879/java/core/src/java/org/apache/orc/impl/ConvertTreeReaderFactory.java#L826
Several places in {{ConvertTreeReaderFactory}} that creates a HiveDecimalWritable for each element being processed. It is very common practice to keep a single instance of {{xyzWritable}} for re-use. Do the same here.
was:
https://github.com/apache/orc/blob/fb0ed31f15d9b77b76bc5dec8721f5d9ee129879/java/core/src/java/org/apache/orc/impl/ConvertTreeReaderFactory.java#L826
Several places in {{ConvertTreeReaderFactory}} that creates a HiveDecimalWritable for each element being processed. It is very common practice to keep a single instance of {{xyzWritable }} for re-use. Do the same here.
> Reuse HiveDecimalWritable in ConvertTreeReaderFactory
> -----------------------------------------------------
>
> Key: ORC-837
> URL: https://issues.apache.org/jira/browse/ORC-837
> Project: ORC
> Issue Type: Improvement
> Components: Java
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Minor
>
> https://github.com/apache/orc/blob/fb0ed31f15d9b77b76bc5dec8721f5d9ee129879/java/core/src/java/org/apache/orc/impl/ConvertTreeReaderFactory.java#L826
> Several places in {{ConvertTreeReaderFactory}} that creates a HiveDecimalWritable for each element being processed. It is very common practice to keep a single instance of {{xyzWritable}} for re-use. Do the same here.
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