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https://issues.apache.org/jira/browse/DRILL-5846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16322884#comment-16322884
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ASF GitHub Bot commented on DRILL-5846:
---------------------------------------
Github user sachouche commented on a diff in the pull request:
https://github.com/apache/drill/pull/1060#discussion_r161040070
--- Diff: exec/vector/src/main/codegen/templates/VariableLengthVectors.java
---
@@ -309,7 +314,7 @@ public void setInitialCapacity(final int valueCount) {
if (size > MAX_ALLOCATION_SIZE) {
throw new OversizedAllocationException("Requested amount of memory
is more than max allowed allocation size");
}
- allocationSizeInBytes = (int) size;
+ allocationSizeInBytes = (int)size;
--- End diff --
Fixed.
> Improve Parquet Reader Performance for Flat Data types
> -------------------------------------------------------
>
> Key: DRILL-5846
> URL: https://issues.apache.org/jira/browse/DRILL-5846
> Project: Apache Drill
> Issue Type: Improvement
> Components: Storage - Parquet
> Affects Versions: 1.11.0
> Reporter: salim achouche
> Assignee: salim achouche
> Labels: performance
> Fix For: 1.13.0
>
>
> The Parquet Reader is a key use-case for Drill. This JIRA is an attempt to
> further improve the Parquet Reader performance as several users reported that
> Parquet parsing represents the lion share of the overall query execution. It
> tracks Flat Data types only as Nested DTs might involve functional and
> processing enhancements (e.g., a nested column can be seen as a Document;
> user might want to perform operations scoped at the document level that is no
> need to span all rows). Another JIRA will be created to handle the nested
> columns use-case.
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