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From "Adrien Grand (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-4074) We should default ramBufferSizeMB to around 100
Date Wed, 14 Nov 2012 17:16:12 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13497235#comment-13497235
] 

Adrien Grand commented on SOLR-4074:
------------------------------------

bq. hey guys, can we do that in lucene too? I mean 32 is a joke IMO...

In order Lucene to keep working with small heaps, maybe we should do something similar to
the default Java heap size and set ramBufferSizeMB=max(100, maxHeap / N)?


                
> We should default ramBufferSizeMB to around 100
> -----------------------------------------------
>
>                 Key: SOLR-4074
>                 URL: https://issues.apache.org/jira/browse/SOLR-4074
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>            Priority: Minor
>             Fix For: 4.1, 5.0
>
>
> You get diminishing returns after 100, but gains up to 100. In this day and age of RAM,
it seems better to default to 100 and have essentially the top indexing speed the buffer can
give us.

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