[jira] Assigned: (HBASE-2899) hfile.min.blocksize.size ignored/documentation wrong

["stack (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-2899?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack reassigned HBASE-2899:
----------------------------

    Assignee: stack

> hfile.min.blocksize.size ignored/documentation wrong
> ----------------------------------------------------
>
>                 Key: HBASE-2899
>                 URL: https://issues.apache.org/jira/browse/HBASE-2899
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Lars Francke
>            Assignee: stack
>            Priority: Trivial
>         Attachments: 2899.txt
>
>
> There is a property in hbase-default.xml called {{hfile.min.blocksize.size}} set to {{65536}}.
> The description says: Minimum store file block size.  The smaller you make this, the  bigger your index and the less you fetch on a random-access.  Set size down  if you have small cells and want faster random-access of individual cells.
> This property is only used in the HFileOutputFormat and nowhere else. So we should at least change the description to something more meaningful.
> The other option I see would be: HFile now has a DEFAULT_BLOCKSIZE field which could be moved to HConstants and HFile could somehow read the {{hfile.min.blocksize.size}} from the Configuration or use HConstansts.DEFAULT_BLOCKSIZE if it's not defined. I believe this is what's happening to the other config variables?

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