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From "Otis Gospodnetic (JIRA)" <j...@apache.org>
Subject [jira] Commented: (SOLR-1533) Partition data directories into multiple "bucket" directories
Date Thu, 29 Oct 2009 17:06:59 GMT

    [ https://issues.apache.org/jira/browse/SOLR-1533?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12771480#action_12771480
] 

Otis Gospodnetic commented on SOLR-1533:
----------------------------------------

Trying to understand the need for this (I might have missed the discussion on the ML?).
Isn't the creator of the core in control of the data dir ( http://wiki.apache.org/solr/CoreAdmin#CREATE
) and thus their distribution?
Or is the goal of this to remove the logic and knowledge from the client and let Solr control
where core's data is going to be placed, depending on the "core data distribution policy"?


> Partition data directories into multiple "bucket" directories
> -------------------------------------------------------------
>
>                 Key: SOLR-1533
>                 URL: https://issues.apache.org/jira/browse/SOLR-1533
>             Project: Solr
>          Issue Type: New Feature
>          Components: multicore
>            Reporter: Shalin Shekhar Mangar
>             Fix For: 1.5
>
>
> Provide a way to partition data directories into multiple "bucket" directories. For example,
instead of creating 10,000 data directories inside one base data directory, Solr can assign
a core to one of 4 base directories, thereby distributing them.
> The underlying problem is that with large number of indexes, we see slower and slower
system performance as one goes on increasing the number of cores, thereby increasing the number
of directories in the single data directory.

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