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https://issues.apache.org/jira/browse/FLINK-34148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17813556#comment-17813556
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Martijn Visser commented on FLINK-34148:
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[~Sergey Nuyanzin] It's looking good, copying a couple of links for easy
checking:
stringWrite.128.ascii(Java8)
http://flink-speed.xyz/timeline/#/?exe=1&ben=stringWrite.128.ascii&extr=on&quarts=on&equid=off&env=3&revs=200
stringWrite.128.chinese(Java8)
http://flink-speed.xyz/timeline/#/?exe=1&ben=stringWrite.128.chinese&extr=on&quarts=on&equid=off&env=3&revs=200
stringWrite.128.russian(Java8)
http://flink-speed.xyz/timeline/#/?exe=1&ben=stringWrite.128.russian&extr=on&quarts=on&equid=off&env=3&revs=200
stringWrite.4.chinese(Java8)
http://flink-speed.xyz/timeline/#/?exe=1&ben=stringWrite.4.chinese&extr=on&quarts=on&equid=off&env=3&revs=200
stringWrite.4.russian(Java8)
http://flink-speed.xyz/timeline/#/?exe=1&ben=stringWrite.4.russian&extr=on&quarts=on&equid=off&env=3&revs=200
> Potential regression (Jan. 13): stringWrite with Java8
> ------------------------------------------------------
>
> Key: FLINK-34148
> URL: https://issues.apache.org/jira/browse/FLINK-34148
> Project: Flink
> Issue Type: Improvement
> Components: API / Type Serialization System
> Reporter: Zakelly Lan
> Priority: Blocker
> Fix For: 1.19.0
>
>
> Significant drop of performance in stringWrite with Java8 from commit
> [881062f352|https://github.com/apache/flink/commit/881062f352f8bf8c21ab7cbea95e111fd82fdf20]
> to
> [5d9d8748b6|https://github.com/apache/flink/commit/5d9d8748b64ff1a75964a5cd2857ab5061312b51]
> . It only involves strings not so long (128 or 4).
> stringWrite.128.ascii(Java8) baseline=1089.107756 current_value=754.52452
> stringWrite.128.chinese(Java8) baseline=504.244575 current_value=295.358989
> stringWrite.128.russian(Java8) baseline=655.582639 current_value=421.030188
> stringWrite.4.chinese(Java8) baseline=9598.791964 current_value=6627.929927
> stringWrite.4.russian(Java8) baseline=11070.666415 current_value=8289.95767
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