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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-4074) We should default ramBufferSizeMB to around 100
Date Wed, 14 Nov 2012 15:46:13 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13497168#comment-13497168
] 

Mark Miller commented on SOLR-4074:
-----------------------------------

Yeah, I actually thought about making the change in lucene too - was tired this morning and
don't remember why I decided against. I guess part of it was thinking that Solr is a search
server and so it was more important that it default to 100 here. Lucene being a lib, it's
was slightly more plausible that lucene could stick with 32 - I didn't remember the reasons
it was first set to that.

I'm +1 on changing in Lucene as well though. I think it it will benefit way more people that
it will harm (whom can just lower it). I'll create an issue.
                
> 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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