[jira] [Updated] (SPARK-43232) Improve ObjectHashAggregateExec performance for high cardinality
[ https://issues.apache.org/jira/browse/SPARK-43232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] XiDuo You updated SPARK-43232: -- Summary: Improve ObjectHashAggregateExec performance for high cardinality (was: Improve ObjectHashAggregateExec performance with high cardinality) > Improve ObjectHashAggregateExec performance for high cardinality > > > Key: SPARK-43232 > URL: https://issues.apache.org/jira/browse/SPARK-43232 > Project: Spark > Issue Type: Improvement > Components: SQL >Affects Versions: 3.5.0 >Reporter: XiDuo You >Priority: Major > > The `ObjectHashAggregateExec` has three preformance issues: > - heavy overhead of scala sugar in `createNewAggregationBuffer` > - unnecessary grouping key comparation after fallback to sort based > aggregator > - the aggregation buffer in sort based aggregator is not actually reused > -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
[jira] [Updated] (SPARK-43232) Improve ObjectHashAggregateExec performance for high cardinality
[ https://issues.apache.org/jira/browse/SPARK-43232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] XiDuo You updated SPARK-43232: -- Description: The `ObjectHashAggregateExec` has three preformance issues: - heavy overhead of scala sugar in `createNewAggregationBuffer` - unnecessary grouping key comparation after fallback to sort based aggregator - the aggregation buffer in sort based aggregator is not reused for all rest rows was: The `ObjectHashAggregateExec` has three preformance issues: - heavy overhead of scala sugar in `createNewAggregationBuffer` - unnecessary grouping key comparation after fallback to sort based aggregator - the aggregation buffer in sort based aggregator is not actually reused > Improve ObjectHashAggregateExec performance for high cardinality > > > Key: SPARK-43232 > URL: https://issues.apache.org/jira/browse/SPARK-43232 > Project: Spark > Issue Type: Improvement > Components: SQL >Affects Versions: 3.5.0 >Reporter: XiDuo You >Priority: Major > > The `ObjectHashAggregateExec` has three preformance issues: > - heavy overhead of scala sugar in `createNewAggregationBuffer` > - unnecessary grouping key comparation after fallback to sort based > aggregator > - the aggregation buffer in sort based aggregator is not reused for all rest > rows > -- This message was sent by Atlassian Jira (v8.20.10#820010) - To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org
