[jira] [Commented] (LANG-707) Add methods to avoid Sun JVM synchronisation overhead in new String(byte[] b, String enc)

["Ismael Juma (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LANG-707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13067799#comment-13067799 ] 

Ismael Juma commented on LANG-707:
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Note that there have been changes in this area in Java 7:

"Using Charset as the parameter does not bring you any performance benefit (in fact it's slower and bloat) in most use scenarios, use it with caution."
http://blogs.oracle.com/xuemingshen/entry/faster_new_string_bytes_cs

The blog above talks about single-byte encodings, but there has been a follow-up commit for UTF-8 earlier this year.

> Add methods to avoid Sun JVM synchronisation overhead in new String(byte[] b, String enc)
> -----------------------------------------------------------------------------------------
>
>                 Key: LANG-707
>                 URL: https://issues.apache.org/jira/browse/LANG-707
>             Project: Commons Lang
>          Issue Type: Improvement
>          Components: General
>         Environment: https://issues.apache.org/bugzilla/show_bug.cgi?id=51400
>            Reporter: Sebb
>             Fix For: 3.x
>
>
> According to Tomcat bug 51400, the use of new String(byte[] b, String enc) can fall foul of a Sun Java synchronisation bottleneck.
> Might be useful to add the code workround to Commons Lang.

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