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Posted to dev@nutch.apache.org by "Sebastian Nagel (Jira)" <ji...@apache.org> on 2024/12/04 15:14:00 UTC

[jira] [Resolved] (NUTCH-3096) HostDB ResolverThread can create too many job counters

     [ https://issues.apache.org/jira/browse/NUTCH-3096?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebastian Nagel resolved NUTCH-3096.
------------------------------------
    Resolution: Fixed

Committed in [5263b7c|https://github.com/apache/nutch/commit/5263b7cbea0a50bf0bb3324f139f2ad3030f6875].

> HostDB ResolverThread can create too many job counters
> ------------------------------------------------------
>
>                 Key: NUTCH-3096
>                 URL: https://issues.apache.org/jira/browse/NUTCH-3096
>             Project: Nutch
>          Issue Type: Bug
>          Components: hostdb
>    Affects Versions: 1.20
>            Reporter: Markus Jelsma
>            Assignee: Markus Jelsma
>            Priority: Major
>             Fix For: 1.21
>
>         Attachments: NUTCH-3096-1.15.patch, NUTCH-3096-1.patch, NUTCH-3096.patch
>
>
> Hadoop will allow no more than 120 distinct counters. If we have a large number of distinct DNS lookup failure counts, we'll exceed the limit, Hadoop will complain,  the job will fail.
>  
> Let's limit the amount of possibilities by grouping the numFailures in just a few buckets.



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