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https://issues.apache.org/jira/browse/DRILL-6147?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16518451#comment-16518451
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ASF GitHub Bot commented on DRILL-6147:
---------------------------------------
vrozov commented on a change in pull request #1330: DRILL-6147: Adding Columnar
Parquet Batch Sizing functionality
URL: https://github.com/apache/drill/pull/1330#discussion_r196894796
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/ExecConstants.java
##########
@@ -680,4 +687,13 @@ public static String bootDefaultFor(String name) {
public static final String ALLOW_LOOPBACK_ADDRESS_BINDING =
"drill.exec.allow_loopback_address_binding";
+ /** Enables batch size statistics logging */
+ public static final String STATS_LOGGING_BATCH_SZ_OPTION =
"drill.exec.stats.logging.batch_sz";
Review comment:
Usually the amount of logging is configured using logger level.
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> Limit batch size for Flat Parquet Reader
> ----------------------------------------
>
> Key: DRILL-6147
> URL: https://issues.apache.org/jira/browse/DRILL-6147
> Project: Apache Drill
> Issue Type: Improvement
> Components: Storage - Parquet
> Reporter: salim achouche
> Assignee: salim achouche
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.14.0
>
>
> The Parquet reader currently uses a hard-coded batch size limit (32k rows)
> when creating scan batches; there is no parameter nor any logic for
> controlling the amount of memory used. This enhancement will allow Drill to
> take an extra input parameter to control direct memory usage.
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