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Posted to dev@uima.apache.org by "Rico Landefeld (JIRA)" <ui...@incubator.apache.org> on 2009/08/27 17:33:14 UTC
[jira] Updated: (UIMA-1530) Index naming is not unique in
multithreaded scenarios
[ https://issues.apache.org/jira/browse/UIMA-1530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Rico Landefeld updated UIMA-1530:
---------------------------------
Attachment: UIMA-1530.patch
This patch adds a random to the index name to make it unique in multithreaded scenarios.
> Index naming is not unique in multithreaded scenarios
> -----------------------------------------------------
>
> Key: UIMA-1530
> URL: https://issues.apache.org/jira/browse/UIMA-1530
> Project: UIMA
> Issue Type: Bug
> Affects Versions: 2.3S
> Reporter: Rico Landefeld
> Fix For: 2.3S
>
> Attachments: UIMA-1530.patch
>
>
> At the moment lucas appends the host name and the pid to the index name to create unique indexes for each IndexWriter instance. Thats not enough, because there can be more then one index writer in multithreaded scenarios.
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Re: [jira] Updated: (UIMA-1530) Index naming is not unique in multithreaded
scenarios
Posted by Marshall Schor <ms...@schor.com>.
Rico Landefeld (JIRA) wrote:
> [ https://issues.apache.org/jira/browse/UIMA-1530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
>
> Rico Landefeld updated UIMA-1530:
> ---------------------------------
>
> Attachment: UIMA-1530.patch
>
> This patch adds a random to the index name to make it unique in multithreaded scenarios.
>
>
This impl uses a hash set which stores each used random (0- 1 million).
I'm not sure what the "random" part of this is providing. Would using a
simple incrementing integer also work?
-Marshall
>> Index naming is not unique in multithreaded scenarios
>> -----------------------------------------------------
>>
>> Key: UIMA-1530
>> URL: https://issues.apache.org/jira/browse/UIMA-1530
>> Project: UIMA
>> Issue Type: Bug
>> Affects Versions: 2.3S
>> Reporter: Rico Landefeld
>> Fix For: 2.3S
>>
>> Attachments: UIMA-1530.patch
>>
>>
>> At the moment lucas appends the host name and the pid to the index name to create unique indexes for each IndexWriter instance. Thats not enough, because there can be more then one index writer in multithreaded scenarios.
>>
>
>