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From "Samuel Guo" <guosi...@gmail.com>
Subject Re: Dependencies bug
Date Mon, 22 Dec 2008 03:29:11 GMT
> HBASE-867 : If millions of columns in a column family, hbase scanner
won't come up

we store all the columns in one column family will limit the scale of the
matrix.
may be we can break one column family into different groups (diffent column
faimilys).

On Mon, Dec 22, 2008 at 11:18 AM, Edward J. Yoon <edwardyoon@apache.org>wrote:

> Hbase have some critical bugs.
>
> - HBASE-900 : Regionserver memory leak causing OOME during relatively
> modest bulk importing
>  - HADOOP-4802 : RPC Server send buffer retains size of largest
> response ever sent
> - HBASE-698 : HLog recovery is not performed after master failure
> - HBASE-24 : Too many open file handles to datanodes
> - HBASE-867 : If millions of columns in a column family, hbase scanner
> won't come up
>
> These issues must be solved, Hama approach requires at least
> HBASE-867. So, we don't release with hadoop/hbase-0.1x.x
> --
> Best Regards, Edward J. Yoon @ NHN, corp.
> edwardyoon@apache.org
> http://blog.udanax.org
>

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