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From "stack (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-10541) Make the file system properties customizable per table/column family
Date Tue, 18 Feb 2014 23:39:22 GMT

    [ https://issues.apache.org/jira/browse/HBASE-10541?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13904811#comment-13904811

stack commented on HBASE-10541:

How is FS_BLOCKSIZE different from BLOCKSIZE we already have in HColumnDescriptor [~vasu.mariyala@gmail.com]?

The FS_ prefix would seem to indicate these settings would work for any filesystem implementation
but is that true?  Do they only work for HDFS?  If so, should they have the HDFS_ prefix instead?

Maybe say where the buffer is located so it is more clear what is being sized in below javadoc:

+  /** Set the amount of data that needs to be buffered during read/write operations. */

... or rename the variables from FS_BLOCKSIZE to HFILE_HDFS_BLOCKSIZE so there can be no mistake.

Otherwise patch looks good. Thanks for working on this.

> Make the file system properties customizable per table/column family
> --------------------------------------------------------------------
>                 Key: HBASE-10541
>                 URL: https://issues.apache.org/jira/browse/HBASE-10541
>             Project: HBase
>          Issue Type: New Feature
>            Reporter: Vasu Mariyala
>            Assignee: Vasu Mariyala
>         Attachments: trunk-HBASE-10541-rev1.patch, trunk-HBASE-10541-rev2.patch, trunk-HBASE-10541.patch
> The file system properties like replication (the number of nodes to which the hfile needs
to be replicated), block size need to be customizable per table/column family. This is important
especially in the testing scenarios or for test tables where we don't want the hfile to be
replicated 3 times.

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