[HBASE-800] support HTD and HCD get/set attribute in shell, Thrift, and REST interfaces

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Not A Problem
• Affects Version/s: 0.2.1
• Component/s: Client, REST, Thrift
• Labels: client rest thrift thrift2
• Assignee: Unassigned
• Reporter: Andrew Kyle Purtell
• Created: 07/Aug/08 03:50
• Updated: 11/Jun/22 20:15
• Resolved: 26/Jan/14 19:41

Description

From Billy Pearson on hbase-users@

Hey Andrew

Do we have plans to include setMaxFileSize for the shell,thrift,rest?
So non java users can change this as needed with out having to learn java.

Billy

"Andrew Purtell" <[e-mail]> wrote in message news:[e-mail]...
> Hello David,
>
> Current trunk (upcoming 0.2.0) has support for per-table metadata. See
> https://issues.apache.org/jira/browse/HBASE-42 and
> https://issues.apache.org/jira/browse/HBASE-62.
>
> So maybe you can set the split threshold quite low for the table in
> question?
>
> The default is 256MB (268435456), set globally for all tables in the HBase
> configuration as "hbase.hregion.max.filesize". However it's reasonable to
> set it as low as the DFS blocksize. The guidance for a typical HBase
> installation is to set the DFS blocksize to 8MB (8388608), instead of the
> default 64MB.
>
> At create time:
>
> HTableDescriptor htd = new HTableDescriptor("foo");
> htd.setMaxFileSize(8388608);
> ...
> HBaseAdmin admin = new HBaseAdmin(hconf);
> admin.createTable(htd);
>
> If the table already exists:
>
> HTable table = new HTable(hconf, "foo");
> admin.disableTable("foo");
> // make a read-write descriptor
> HTableDescriptor htd =
> new HTableDescriptor(table.getTableDescriptor());
> htd.setMaxFileSize(83388608);
> admin.modifyTableMeta("foo", htd);
> admin.enableTable("foo");
>
> Hope this helps,
>
> - Andy
>
>> From: David Alves
>> <[e-mail]>
>> Subject: Region Splits
>> To: "[e-mail]"
>> <[e-mail]>
>> Date: Thursday, July 31, 2008, 6:06 AM
> [...]
>> I use hbase (amongst other things) to crawl some repos of infomation
>> and util now I've been using the Nutch segment generation paradigm.
>> I would very much like to skip the segment generation step using
>> hbase as source and sink directly but in order to do that I would
>> need to either allow more that one split to be generated for a
>> single region or make the regions in this particular table split
>> with much less entries than other tables.

Issue Links

• blocks: HBASE-903 [shell] Can't set table descriptor attributes when I alter a table
• is blocked by: HBASE-729 client region/metadata cache should have a public method for invalidating entries
• is related to: HBASE-697 thrift idl needs update/edit to match new 0.2 API (and to fix bugs)
• is related to: HBASE-871 Major compaction periodicity should be specifyable at the column family level, not cluster wide
• relates to: HBASE-62 [hbase] Allow user add arbitrary key/value pairs to table and column descriptors