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From "Aaron McCurry (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BLUR-15) Change the Block Cache to allow for a configurable slab size
Date Wed, 29 Aug 2012 01:49:07 GMT

    [ https://issues.apache.org/jira/browse/BLUR-15?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13443733#comment-13443733
] 

Aaron McCurry commented on BLUR-15:
-----------------------------------

Yes I think this will work. I think that I would like to see the OOM exception be caught in
the blockcache where the total memory will be calculated.  We should warn about settings that
don'e allow for even block creation "It also seems like certain restrictions/invariants should
be enforced, e.g. that (slabSize % blockSize) = 0 and (totalMemory % slabSize) = 0".  Also
we need to make sure the units tests are testing various values for all the variables.
                
> Change the Block Cache to allow for a configurable slab size
> ------------------------------------------------------------
>
>                 Key: BLUR-15
>                 URL: https://issues.apache.org/jira/browse/BLUR-15
>             Project: Apache Blur
>          Issue Type: Improvement
>            Reporter: Aaron McCurry
>
> The current implementation of the block cache has a hard coded slab size of 128MB.  This
should be configurable so that unit testing can use the block cache at a smaller size.

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