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From "Aaron McCurry (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BLUR-160) Create a back pressure feature in Blur when GC is too high.
Date Thu, 27 Jun 2013 16:57:21 GMT

    [ https://issues.apache.org/jira/browse/BLUR-160?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13694863#comment-13694863
] 

Aaron McCurry commented on BLUR-160:
------------------------------------

So I have created the monitor here:

https://git-wip-us.apache.org/repos/asf?p=incubator-blur.git;a=blob;f=blur-core/src/main/java/org/apache/blur/utils/GCWatcher.java;h=fbe0aa5d908f37650209ad5e35bf28c9071062dd;hb=46836eb2a29035a4960d4abf4af03e40d6f23a2f

I think we should add a new exception to thrift called a back pressure exception or too busy
or something like that.  But no I haven't written any actions yet, I think the first will
be to cancel the running queries.  Maybe also to kill the current data fetch requests.  Haven't
thought much beyond that.

Aaron
                
> Create a back pressure feature in Blur when GC is too high.
> -----------------------------------------------------------
>
>                 Key: BLUR-160
>                 URL: https://issues.apache.org/jira/browse/BLUR-160
>             Project: Apache Blur
>          Issue Type: Improvement
>          Components: Blur
>    Affects Versions: 0.2.0
>            Reporter: Aaron McCurry
>            Priority: Blocker
>             Fix For: 0.2.0
>
>


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