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From stack <st...@duboce.net>
Subject Re: Frequent changing rowkey - HBase insert
Date Mon, 08 Jun 2009 16:37:30 GMT
This is TRUNK or 0.19 (sorry if you've said already).  Can you figure what
the slowdown is?  Is it lookups into .META. to find region hosting key?
St.Ack

On Mon, Jun 8, 2009 at 9:08 AM, llpind <sonny_heer@hotmail.com> wrote:

>
>
>
> stack-3 wrote:
> >
> >
> > Row key changes frequently?
> >
> > You mean you are filling rows with lots of columns and while you hold to
> a
> > single row, insert is fast?
> >
> > Your uploader encounters keys randomly or are they sorted?
> >
> >
>
> Yes.  given a large dataset with frequently changing row keys, the overall
> process slows down with a few million records inserted (again is is much
> better now with auth flush off etc.).  row keys are sorted on insertion.
>
> --
> View this message in context:
> http://www.nabble.com/Frequent-changing-rowkey---HBase-insert-tp23906724p23927051.html
> Sent from the HBase User mailing list archive at Nabble.com.
>
>

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