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Posted to dev@hive.apache.org by "Johan Oskarsson (JIRA)" <ji...@apache.org> on 2009/05/27 12:38:45 UTC
[jira] Updated: (HIVE-519) Regex processing gets stuck when
querying weblogs
[ https://issues.apache.org/jira/browse/HIVE-519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Johan Oskarsson updated HIVE-519:
---------------------------------
Attachment: hive-stdout
Attaching a thread dump from one of the map tasks.
Example query that triggers this behaviour:
select remote_ip, count(1) from weblogs where insertdate='2009-05-26' group by remote_ip limit 10;
> Regex processing gets stuck when querying weblogs
> -------------------------------------------------
>
> Key: HIVE-519
> URL: https://issues.apache.org/jira/browse/HIVE-519
> Project: Hadoop Hive
> Issue Type: Bug
> Components: Serializers/Deserializers
> Affects Versions: 0.4.0
> Reporter: Johan Oskarsson
> Priority: Critical
> Fix For: 0.4.0
>
> Attachments: hive-stdout
>
>
> When running a simple query on a table similar to the apachelog table here: http://wiki.apache.org/hadoop/Hive/UserGuide the regular expression matcher gets stuck in an infinite loop.
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