nutch-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Julien Nioche (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (NUTCH-1747) Use AtomicInteger as semaphore in Fetcher
Date Sat, 05 Apr 2014 19:55:14 GMT

     [ https://issues.apache.org/jira/browse/NUTCH-1747?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Julien Nioche resolved NUTCH-1747.
----------------------------------

    Resolution: Fixed

Committed revision 1585196.


> Use AtomicInteger as semaphore in Fetcher
> -----------------------------------------
>
>                 Key: NUTCH-1747
>                 URL: https://issues.apache.org/jira/browse/NUTCH-1747
>             Project: Nutch
>          Issue Type: Improvement
>          Components: fetcher
>    Affects Versions: 1.8
>            Reporter: Julien Nioche
>            Priority: Minor
>         Attachments: NUTCH-1747-trunk.patch
>
>
> In Fetcher we currently use 
> Set<FetchItem>  inProgress = Collections.synchronizedSet(new HashSet<FetchItem>());
> as semaphore within the FetchItemQueues to keep track of the URLs being fetched and prevent
threads from pulling from them. It works fine but we could use AtomicIntegers instead as all
we need is the counts, not the contents.
> This change would have little impact on the performance but would make the code a bit
cleaner.



--
This message was sent by Atlassian JIRA
(v6.2#6252)

Mime
View raw message