[ https://issues.apache.org/jira/browse/SPARK-46328?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot reassigned SPARK-46328: -------------------------------------- Assignee: Apache Spark > Allocate capacity of array list of TColumns by columns size in TRowSet > generation > --------------------------------------------------------------------------------- > > Key: SPARK-46328 > URL: https://issues.apache.org/jira/browse/SPARK-46328 > Project: Spark > Issue Type: Improvement > Components: Spark Core > Affects Versions: 3.5.0 > Reporter: Bowen Liang > Assignee: Apache Spark > Priority: Minor > Labels: pull-request-available > > Background: > ArrayList is created for TColumn value collections in RowSetUtils for TRowSet > generation. Currently, they are created with Java's default capacity of 16, > rather than by the number of columns, which could cause array copying in > assembling each TColumn collections when the column number exceeds the > default capacity. > > Suggested solution: > Allocate enough capacity by columns size for assembling array list of > TColumns in TRowSet generation. -- 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