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From "Varun Thacker (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SOLR-12405) Add a quality of service type filter for request load management and request throttling.
Date Thu, 31 May 2018 07:20:00 GMT

     [ https://issues.apache.org/jira/browse/SOLR-12405?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Varun Thacker updated SOLR-12405:
---------------------------------
    Attachment: SOLR-12405.patch

> Add a quality of service type filter for request load management and request throttling.
> ----------------------------------------------------------------------------------------
>
>                 Key: SOLR-12405
>                 URL: https://issues.apache.org/jira/browse/SOLR-12405
>             Project: Solr
>          Issue Type: New Feature
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Mark Miller
>            Priority: Major
>         Attachments: SOLR-12405.patch
>
>
> Trying to manage resource usage just with thread / connection pool limits is a losing
strategy ( especially without using Continuations and making scalability vs performance tradeoffs)
if you cannot manage requests.
> A QOSFilter type servlet filter with give us some base functionality we want:
> Ability to limit number of concurrent requests.
> Ability to queue requests without holding a thread per request.
> Ability to drop requests over a certain queue size.
> Ability to prioritize requests on the queue.



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