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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2019/05/26 01:51:53 UTC
[GitHub] [spark] JoshRosen commented on issue #24709: [SPARK-27841][SQL]
Improve UTF8String to/fromString()/charwise iteration performance
JoshRosen commented on issue #24709: [SPARK-27841][SQL] Improve UTF8String to/fromString()/charwise iteration performance
URL: https://github.com/apache/spark/pull/24709#issuecomment-495961547
By the way, all of this is probably moot when running on JDK9+ because I think that CompactString effectively does most of these optimizations for us. This is a mostly-for-fun experiment to see whether we can get a small performance win on Java 8.
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