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Posted to dev@directory.apache.org by "Emmanuel Lecharny (JIRA)" <ji...@apache.org> on 2015/03/18 16:25:38 UTC

[jira] [Created] (DIRSTUDIO-1027) The LdifEditor parser is extremelly inefficient.

Emmanuel Lecharny created DIRSTUDIO-1027:
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             Summary: The LdifEditor parser is extremelly inefficient.
                 Key: DIRSTUDIO-1027
                 URL: https://issues.apache.org/jira/browse/DIRSTUDIO-1027
             Project: Directory Studio
          Issue Type: Improvement
    Affects Versions: 2.0.0-M8 (2.0.0.v20130628)
            Reporter: Emmanuel Lecharny
             Fix For: 2.0.0-M9


Processing huge LDIF file is likely to take an enormous amount of time. The parser works in a way that we frequently fetch a char from a {{StringBuffer}}, to remove it later. When you have a 1Mb file, that induces the copy of a 1Mb array every time we don't need the char we just read.

Typically, parsing a 1 237 chars file,  the {{noRead()}} method is called 393 times, and it calls the {{System.arrayCopy()}} the same number of time.



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