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Posted to dev@nutch.apache.org by "Markus Jelsma (JIRA)" <ji...@apache.org> on 2012/05/07 14:32:50 UTC

[jira] [Commented] (NUTCH-1356) ParseUtil use ExecutorService instead of manually thread handling.

    [ https://issues.apache.org/jira/browse/NUTCH-1356?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13269568#comment-13269568 ] 

Markus Jelsma commented on NUTCH-1356:
--------------------------------------

Nice! Do you have a 1.x patch as well?
                
> ParseUtil use ExecutorService instead of manually thread handling.
> ------------------------------------------------------------------
>
>                 Key: NUTCH-1356
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1356
>             Project: Nutch
>          Issue Type: Improvement
>            Reporter: Ferdy Galema
>             Fix For: nutchgora
>
>         Attachments: NUTCH-1356.patch
>
>
> Because ParseUtil manages it's own parser threads by creating a thread for every parse it sometimes happens that specific parsers are very expensive. For example, parsers that have threadlocal fields will initialize them for every item to be parsed.
> By simply introducing a caching ExecutorService the ParseUtil will be able to cache threads therefore parsing more efficient. See attached patch.

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