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From Zalo Correa <>
Subject TRAFODION-2001 changes are ready for merge to Trafodion R2.2 baseline
Date Sat, 27 May 2017 20:48:55 GMT
The TRAFODION-2001 changes have reached the point where I believe it they are ready to merge
to the Trafodion baseline as part of the Trafodion R2.2 objectives. So consider this a petition
to the Trafodion developer community for approval to merge into the mainline code base.

To be clear, this is a substantial change to the Trafodion Foundation components and has a
direct effect to the Trafodion configuration, installation, and operational capabilities.
These changes establish a fundamental change going forward in that it will allow Trafodion
to be more in line with the elasticity capabilities of the Hadoop stack.

I have attached the original email I sent a year ago along with a set of slides with a  summary
these changes.

In addition, here is the pull request which contains the changes and Jenkins test results:

These changes do not complete the elasticity story, but implement the necessary infrastructure
to complete the Trafodion elasticity story. So there is more to come such as support in the
Python installation scripts, Cloudera Manager parcel installation, Ambary installation, the
SQL engine, and other Trafodion component to take advantage of this capability.

If you have any questions please add them as comments in the JIRA (
so that they can be captured and addressed. Also, you will find an updated document with more
details in the JIRA.



From: Zalo Correa
Sent: Thursday, May 4, 2017 11:15 AM
To: '' <>
Subject: TRAFODION-2001

I would like to draw your attention to a fairly substantial change I would like to commit
and merge to the Apache Incubator Trafodion code base. The changes are described in
and the code changes are currently in

A little background, the design and most of the implementation was done in the spring of 2015
and donated to the Apache Foundation at the end of September 2015. I have worked on in for
the past year among my other tasks and have reached a point that I think it is ready for a
merge to the mainline code base after more thorough testing.

The current status is that Jenkins tests pass with one exception:

core-regress-core-hdp<> fails
at test core TEST116

However, this test appears fail in my test environment even without the TRAFODION-2001 changes.

Real cluster testing is in process: functional, HA,  and performance.

As I mentioned above, the changes are substantial and your active code review participation
would be most helpful in getting this needed functionality merged to the Apache Incubator
Trafodion code base.

Please use the JIRA and/or the pull request as the communication vehicle for this activity.

Thank you in advance,

Gonzalo Correa
Esgyn Corporation<>

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