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From Stack <st...@duboce.net>
Subject Re: [DISCUSS] HBase as Apache top-level project?
Date Thu, 18 Mar 2010 19:43:19 GMT
On Thu, Mar 18, 2010 at 11:08 AM, Dhruba Borthakur <dhruba@gmail.com> wrote:
> Hi Stack,
> Can HBase (in theory) be used on filesystems/MR other than Hadoop?

In theory yes.

> I see one primary disadvantage of moving away from the Hadoop project.
> Please let me explain. In the Hadoop world, if a committer is actively
> contributing code, she/he becomes part of the Hadoop PMC. This means that
> Hbase active hbase committers would (over time) become Hadoop PMC members.

In practice, the only hbase committers who are members of the hadoop
pmc are those who were anointed way back when hadoop became a TLP
itself.  A few of the hbase committers have been around a good while
now -- years in some cases -- with mountains of patches under their
belt but the notion that these fellas be promoted to the hadoop PMC
has never come up.

I'm now thinking that this state may have been my fault.  I saw a
barrier, perhaps where there was none, between Hadoop PMC and
subprojects.  My thought was that an HBase committer would be a
hard-sell as an Hadoop PMC member unless the HBase committer first
made significant contribution to hadoop in areas other than HBase.
For example, to HDFS.

> This might allow Hbase-related fixes to get into HDFS much more easily. If
> HBase moves away from Hadoop, then Hbase developers will not have a part to
> play in guiding HDFS to make it more amenable to HBase usage.

You have a good point here Dhuba.


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