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From "Shawn Heisey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-8393) Component for Solr resource usage planning
Date Mon, 21 Mar 2016 16:16:28 GMT

    [ https://issues.apache.org/jira/browse/SOLR-8393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15204522#comment-15204522
] 

Shawn Heisey commented on SOLR-8393:
------------------------------------

Although I understand that you're going for readability with output like "1000 KB", please
strongly consider calculating everything to the same unit size and including it in the attribute
name, such as queryResultCacheKB.  With a value like "1000 KB" or "44.68 MB", it is extremely
difficult to write tools that can do calculations on those numbers.

The same thing needs to be done for other informational responses that Solr produces.  DIH
status is one of the really bad ones for parsing in a program.  If human readability is important
for a particular response, then two sets of numbers should be in the output.

> Component for Solr resource usage planning
> ------------------------------------------
>
>                 Key: SOLR-8393
>                 URL: https://issues.apache.org/jira/browse/SOLR-8393
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Steve Molloy
>         Attachments: SOLR-8393.patch, SOLR-8393.patch, SOLR-8393.patch, SOLR-8393.patch,
SOLR-8393.patch, SOLR-8393.patch
>
>
> One question that keeps coming back is how much disk and RAM do I need to run Solr. The
most common response is that it highly depends on your data. While true, it makes for frustrated
users trying to plan their deployments. 
> The idea I'm bringing is to create a new component that will attempt to extrapolate resources
needed in the future by looking at resources currently used. By adding a parameter for the
target number of documents, current resources are adapted by a ratio relative to current number
of documents.



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