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Reynold Xin commented on SPARK-8301: ------------------------------------ I think we can take whatever the JVM source code does, or write a version using Unsafe. > Improve UTF8String substring/startsWith/endsWith/contains performance > --------------------------------------------------------------------- > > Key: SPARK-8301 > URL: https://issues.apache.org/jira/browse/SPARK-8301 > Project: Spark > Issue Type: Improvement > Components: SQL > Reporter: Reynold Xin > Priority: Critical > > Many functions in UTF8String are unnecessarily expensive. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org