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Hadoop, mail # user - Inserting many small files into HBase


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Re: Inserting many small files into HBase
Ted Dunning 2011-03-21, 01:50
Take a look at this:

http://wiki.apache.org/hadoop/Hbase/DesignOverview

then read the bigtable paper.

On Sun, Mar 20, 2011 at 6:39 PM, edward choi <[EMAIL PROTECTED]> wrote:

> Hi,
>
> I'm planning to crawl thousands of news rss feeds via MapReduce, and save
> each news article into HBase directly.
>
> My concern is that Hadoop does not work well with a large number of
> small-size files,
>
> and if I insert every single news article (which is small-size apparently)
> into HBase, (without separately storing it into HDFS)
>
> I might end up with millions of files that are only several kilobytes in
> size.
>
> Or does HBase somehow automatically append each news article into a single
> file, so that it would have only a few files of large-size?
>
> Ed
>