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Posted to dev@ambari.apache.org by Tom Beerbower <tb...@hortonworks.com> on 2016/02/22 04:38:59 UTC

Review Request 43820: Atlas Integration: Support Atlas / Falcon integration

-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/43820/
-----------------------------------------------------------

Review request for Ambari, Alejandro Fernandez, John Speidel, and Robert Levas.


Bugs: AMBARI-14922
    https://issues.apache.org/jira/browse/AMBARI-14922


Repository: ambari


Description
-------

Update Falcon configurations 

1.Add 'org.apache.falcon.atlas.service.AtlasService' to application.services in <falcon-conf>/startup.properties
2.Link falcon hook jars in falcon classpath - 'ln -s <atlas-home>/hook/falcon/* <falcon-home>/server/webapp/falcon/WEB-INF/lib/'
3.Copy <atlas-conf>/atlas-client.properties and <atlas-conf>/atlas-application.properties to the falcon conf directory.

The following properties in <atlas-conf>/client.properties control the thread pool and notification details:

1. atlas.hook.falcon.synchronous - boolean, true to run the hook synchronously. default false
2. atlas.hook.falcon.numRetries - number of retries for notification failure. default 3
3. atlas.hook.falcon.minThreads - core number of threads. default 5
4. atlas.hook.falcon.maxThreads - maximum number of threads. default 5
5. atlas.hook.falcon.keepAliveTime - keep alive time in msecs. default 10
6. atlas.hook.falcon.queueSize - queue size for the threadpool. default 10000

Also documented here: https://github.com/apache/incubator-atlas/blob/master/docs/src/site/twiki/Bridge-Falcon.twiki


Diffs
-----

  ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/configuration/application-properties.xml ed9f1bc 
  ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/metainfo.xml 719f92c 
  ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata.py 6df47b0 
  ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata_server.py 9ba519f 
  ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/falcon.py 81ea39e 
  ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/params_linux.py 6b37451 
  ambari-server/src/main/resources/stacks/HDP/2.2/services/FALCON/configuration/falcon-startup.properties.xml 4e4ec67 

Diff: https://reviews.apache.org/r/43820/diff/


Testing
-------

Manual test install of Atlas with Falcon through Ambari.

mvn clean test (pending)


Thanks,

Tom Beerbower


Re: Review Request 43820: Atlas Integration: Support Atlas / Falcon integration

Posted by Robert Levas <rl...@hortonworks.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/43820/#review120136
-----------------------------------------------------------


Ship it!




Ship It!

- Robert Levas


On Feb. 21, 2016, 10:38 p.m., Tom Beerbower wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/43820/
> -----------------------------------------------------------
> 
> (Updated Feb. 21, 2016, 10:38 p.m.)
> 
> 
> Review request for Ambari, Alejandro Fernandez, John Speidel, and Robert Levas.
> 
> 
> Bugs: AMBARI-14922
>     https://issues.apache.org/jira/browse/AMBARI-14922
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> Update Falcon configurations 
> 
> 1.Add 'org.apache.falcon.atlas.service.AtlasService' to application.services in <falcon-conf>/startup.properties
> 2.Link falcon hook jars in falcon classpath - 'ln -s <atlas-home>/hook/falcon/* <falcon-home>/server/webapp/falcon/WEB-INF/lib/'
> 3.Copy <atlas-conf>/atlas-client.properties and <atlas-conf>/atlas-application.properties to the falcon conf directory.
> 
> The following properties in <atlas-conf>/client.properties control the thread pool and notification details:
> 
> 1. atlas.hook.falcon.synchronous - boolean, true to run the hook synchronously. default false
> 2. atlas.hook.falcon.numRetries - number of retries for notification failure. default 3
> 3. atlas.hook.falcon.minThreads - core number of threads. default 5
> 4. atlas.hook.falcon.maxThreads - maximum number of threads. default 5
> 5. atlas.hook.falcon.keepAliveTime - keep alive time in msecs. default 10
> 6. atlas.hook.falcon.queueSize - queue size for the threadpool. default 10000
> 
> Also documented here: https://github.com/apache/incubator-atlas/blob/master/docs/src/site/twiki/Bridge-Falcon.twiki
> 
> 
> Diffs
> -----
> 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/configuration/application-properties.xml ed9f1bc 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/metainfo.xml 719f92c 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata.py 6df47b0 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata_server.py 9ba519f 
>   ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/falcon.py 81ea39e 
>   ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/params_linux.py 6b37451 
>   ambari-server/src/main/resources/stacks/HDP/2.2/services/FALCON/configuration/falcon-startup.properties.xml 4e4ec67 
> 
> Diff: https://reviews.apache.org/r/43820/diff/
> 
> 
> Testing
> -------
> 
> Manual test install of Atlas with Falcon through Ambari.
> 
> mvn clean test (pending)
> 
> 
> Thanks,
> 
> Tom Beerbower
> 
>


Re: Review Request 43820: Atlas Integration: Support Atlas / Falcon integration

Posted by Tom Beerbower <tb...@hortonworks.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/43820/
-----------------------------------------------------------

(Updated Feb. 25, 2016, 1:16 a.m.)


Review request for Ambari, Alejandro Fernandez, John Speidel, and Robert Levas.


Bugs: AMBARI-14922
    https://issues.apache.org/jira/browse/AMBARI-14922


Repository: ambari


Description
-------

Update Falcon configurations 

1.Add 'org.apache.falcon.atlas.service.AtlasService' to application.services in <falcon-conf>/startup.properties
2.Link falcon hook jars in falcon classpath - 'ln -s <atlas-home>/hook/falcon/* <falcon-home>/server/webapp/falcon/WEB-INF/lib/'
3.Copy <atlas-conf>/atlas-client.properties and <atlas-conf>/atlas-application.properties to the falcon conf directory.

The following properties in <atlas-conf>/client.properties control the thread pool and notification details:

1. atlas.hook.falcon.synchronous - boolean, true to run the hook synchronously. default false
2. atlas.hook.falcon.numRetries - number of retries for notification failure. default 3
3. atlas.hook.falcon.minThreads - core number of threads. default 5
4. atlas.hook.falcon.maxThreads - maximum number of threads. default 5
5. atlas.hook.falcon.keepAliveTime - keep alive time in msecs. default 10
6. atlas.hook.falcon.queueSize - queue size for the threadpool. default 10000

Also documented here: https://github.com/apache/incubator-atlas/blob/master/docs/src/site/twiki/Bridge-Falcon.twiki


Diffs (updated)
-----

  ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/configuration/application-properties.xml ed9f1bc 
  ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/falcon.py 81ea39e 
  ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/params_linux.py 6b37451 
  ambari-server/src/main/resources/stacks/HDP/2.2/services/FALCON/configuration/falcon-startup.properties.xml 4e4ec67 

Diff: https://reviews.apache.org/r/43820/diff/


Testing
-------

Manual test install of Atlas with Falcon through Ambari.

mvn clean test (pending)


Thanks,

Tom Beerbower


Re: Review Request 43820: Atlas Integration: Support Atlas / Falcon integration

Posted by Tom Beerbower <tb...@hortonworks.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/43820/
-----------------------------------------------------------

(Updated Feb. 25, 2016, 12:42 a.m.)


Review request for Ambari, Alejandro Fernandez, John Speidel, and Robert Levas.


Changes
-------

The application.properties name change is a spearate issue.  I'm removing it for now and will handle in a separate patch.


Bugs: AMBARI-14922
    https://issues.apache.org/jira/browse/AMBARI-14922


Repository: ambari


Description
-------

Update Falcon configurations 

1.Add 'org.apache.falcon.atlas.service.AtlasService' to application.services in <falcon-conf>/startup.properties
2.Link falcon hook jars in falcon classpath - 'ln -s <atlas-home>/hook/falcon/* <falcon-home>/server/webapp/falcon/WEB-INF/lib/'
3.Copy <atlas-conf>/atlas-client.properties and <atlas-conf>/atlas-application.properties to the falcon conf directory.

The following properties in <atlas-conf>/client.properties control the thread pool and notification details:

1. atlas.hook.falcon.synchronous - boolean, true to run the hook synchronously. default false
2. atlas.hook.falcon.numRetries - number of retries for notification failure. default 3
3. atlas.hook.falcon.minThreads - core number of threads. default 5
4. atlas.hook.falcon.maxThreads - maximum number of threads. default 5
5. atlas.hook.falcon.keepAliveTime - keep alive time in msecs. default 10
6. atlas.hook.falcon.queueSize - queue size for the threadpool. default 10000

Also documented here: https://github.com/apache/incubator-atlas/blob/master/docs/src/site/twiki/Bridge-Falcon.twiki


Diffs (updated)
-----

  ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/configuration/application-properties.xml ed9f1bc 
  ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/falcon.py 81ea39e 
  ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/params_linux.py 6b37451 
  ambari-server/src/main/resources/stacks/HDP/2.2/services/FALCON/configuration/falcon-startup.properties.xml 4e4ec67 

Diff: https://reviews.apache.org/r/43820/diff/


Testing
-------

Manual test install of Atlas with Falcon through Ambari.

mvn clean test (pending)


Thanks,

Tom Beerbower


Re: Review Request 43820: Atlas Integration: Support Atlas / Falcon integration

Posted by John Speidel <js...@hortonworks.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/43820/#review120149
-----------------------------------------------------------


Ship it!




Ship It!

- John Speidel


On Feb. 22, 2016, 3:38 a.m., Tom Beerbower wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/43820/
> -----------------------------------------------------------
> 
> (Updated Feb. 22, 2016, 3:38 a.m.)
> 
> 
> Review request for Ambari, Alejandro Fernandez, John Speidel, and Robert Levas.
> 
> 
> Bugs: AMBARI-14922
>     https://issues.apache.org/jira/browse/AMBARI-14922
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> Update Falcon configurations 
> 
> 1.Add 'org.apache.falcon.atlas.service.AtlasService' to application.services in <falcon-conf>/startup.properties
> 2.Link falcon hook jars in falcon classpath - 'ln -s <atlas-home>/hook/falcon/* <falcon-home>/server/webapp/falcon/WEB-INF/lib/'
> 3.Copy <atlas-conf>/atlas-client.properties and <atlas-conf>/atlas-application.properties to the falcon conf directory.
> 
> The following properties in <atlas-conf>/client.properties control the thread pool and notification details:
> 
> 1. atlas.hook.falcon.synchronous - boolean, true to run the hook synchronously. default false
> 2. atlas.hook.falcon.numRetries - number of retries for notification failure. default 3
> 3. atlas.hook.falcon.minThreads - core number of threads. default 5
> 4. atlas.hook.falcon.maxThreads - maximum number of threads. default 5
> 5. atlas.hook.falcon.keepAliveTime - keep alive time in msecs. default 10
> 6. atlas.hook.falcon.queueSize - queue size for the threadpool. default 10000
> 
> Also documented here: https://github.com/apache/incubator-atlas/blob/master/docs/src/site/twiki/Bridge-Falcon.twiki
> 
> 
> Diffs
> -----
> 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/configuration/application-properties.xml ed9f1bc 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/metainfo.xml 719f92c 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata.py 6df47b0 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata_server.py 9ba519f 
>   ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/falcon.py 81ea39e 
>   ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/params_linux.py 6b37451 
>   ambari-server/src/main/resources/stacks/HDP/2.2/services/FALCON/configuration/falcon-startup.properties.xml 4e4ec67 
> 
> Diff: https://reviews.apache.org/r/43820/diff/
> 
> 
> Testing
> -------
> 
> Manual test install of Atlas with Falcon through Ambari.
> 
> mvn clean test (pending)
> 
> 
> Thanks,
> 
> Tom Beerbower
> 
>


Re: Review Request 43820: Atlas Integration: Support Atlas / Falcon integration

Posted by Tom Beerbower <tb...@hortonworks.com>.

> On Feb. 22, 2016, 6:26 p.m., Alejandro Fernandez wrote:
> > ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata.py, line 73
> > <https://reviews.apache.org/r/43820/diff/1/?file=1263868#file1263868line73>
> >
> >     Is this file new? If not, which versions of HDP does it affect?
> >     This may impact RU/EU.

Thanks for the review.

The Atlas configuration file has been renamed from application.properties to atlas-application.properties.  I guess that this means that Ambari should really only apply this change for any new HDP version (although Atlas isn't actually being used in production yet). 

Are you suggesting that this change should be made in a new stack definition?  If so, do I simply copy this script with the change to the next HDP stack definition so that it overrides the existing one in common-services?


- Tom


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/43820/#review120169
-----------------------------------------------------------


On Feb. 22, 2016, 3:38 a.m., Tom Beerbower wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/43820/
> -----------------------------------------------------------
> 
> (Updated Feb. 22, 2016, 3:38 a.m.)
> 
> 
> Review request for Ambari, Alejandro Fernandez, John Speidel, and Robert Levas.
> 
> 
> Bugs: AMBARI-14922
>     https://issues.apache.org/jira/browse/AMBARI-14922
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> Update Falcon configurations 
> 
> 1.Add 'org.apache.falcon.atlas.service.AtlasService' to application.services in <falcon-conf>/startup.properties
> 2.Link falcon hook jars in falcon classpath - 'ln -s <atlas-home>/hook/falcon/* <falcon-home>/server/webapp/falcon/WEB-INF/lib/'
> 3.Copy <atlas-conf>/atlas-client.properties and <atlas-conf>/atlas-application.properties to the falcon conf directory.
> 
> The following properties in <atlas-conf>/client.properties control the thread pool and notification details:
> 
> 1. atlas.hook.falcon.synchronous - boolean, true to run the hook synchronously. default false
> 2. atlas.hook.falcon.numRetries - number of retries for notification failure. default 3
> 3. atlas.hook.falcon.minThreads - core number of threads. default 5
> 4. atlas.hook.falcon.maxThreads - maximum number of threads. default 5
> 5. atlas.hook.falcon.keepAliveTime - keep alive time in msecs. default 10
> 6. atlas.hook.falcon.queueSize - queue size for the threadpool. default 10000
> 
> Also documented here: https://github.com/apache/incubator-atlas/blob/master/docs/src/site/twiki/Bridge-Falcon.twiki
> 
> 
> Diffs
> -----
> 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/configuration/application-properties.xml ed9f1bc 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/metainfo.xml 719f92c 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata.py 6df47b0 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata_server.py 9ba519f 
>   ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/falcon.py 81ea39e 
>   ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/params_linux.py 6b37451 
>   ambari-server/src/main/resources/stacks/HDP/2.2/services/FALCON/configuration/falcon-startup.properties.xml 4e4ec67 
> 
> Diff: https://reviews.apache.org/r/43820/diff/
> 
> 
> Testing
> -------
> 
> Manual test install of Atlas with Falcon through Ambari.
> 
> mvn clean test (pending)
> 
> 
> Thanks,
> 
> Tom Beerbower
> 
>


Re: Review Request 43820: Atlas Integration: Support Atlas / Falcon integration

Posted by Tom Beerbower <tb...@hortonworks.com>.

> On Feb. 22, 2016, 6:26 p.m., Alejandro Fernandez wrote:
> > ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata.py, line 73
> > <https://reviews.apache.org/r/43820/diff/1/?file=1263868#file1263868line73>
> >
> >     Is this file new? If not, which versions of HDP does it affect?
> >     This may impact RU/EU.
> 
> Tom Beerbower wrote:
>     Thanks for the review.
>     
>     The Atlas configuration file has been renamed from application.properties to atlas-application.properties.  I guess that this means that Ambari should really only apply this change for any new HDP version (although Atlas isn't actually being used in production yet). 
>     
>     Are you suggesting that this change should be made in a new stack definition?  If so, do I simply copy this script with the change to the next HDP stack definition so that it overrides the existing one in common-services?

If this isn't the correct fix, any guidance that you could give would be appreciated.  Thanks!


- Tom


-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/43820/#review120169
-----------------------------------------------------------


On Feb. 22, 2016, 3:38 a.m., Tom Beerbower wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/43820/
> -----------------------------------------------------------
> 
> (Updated Feb. 22, 2016, 3:38 a.m.)
> 
> 
> Review request for Ambari, Alejandro Fernandez, John Speidel, and Robert Levas.
> 
> 
> Bugs: AMBARI-14922
>     https://issues.apache.org/jira/browse/AMBARI-14922
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> Update Falcon configurations 
> 
> 1.Add 'org.apache.falcon.atlas.service.AtlasService' to application.services in <falcon-conf>/startup.properties
> 2.Link falcon hook jars in falcon classpath - 'ln -s <atlas-home>/hook/falcon/* <falcon-home>/server/webapp/falcon/WEB-INF/lib/'
> 3.Copy <atlas-conf>/atlas-client.properties and <atlas-conf>/atlas-application.properties to the falcon conf directory.
> 
> The following properties in <atlas-conf>/client.properties control the thread pool and notification details:
> 
> 1. atlas.hook.falcon.synchronous - boolean, true to run the hook synchronously. default false
> 2. atlas.hook.falcon.numRetries - number of retries for notification failure. default 3
> 3. atlas.hook.falcon.minThreads - core number of threads. default 5
> 4. atlas.hook.falcon.maxThreads - maximum number of threads. default 5
> 5. atlas.hook.falcon.keepAliveTime - keep alive time in msecs. default 10
> 6. atlas.hook.falcon.queueSize - queue size for the threadpool. default 10000
> 
> Also documented here: https://github.com/apache/incubator-atlas/blob/master/docs/src/site/twiki/Bridge-Falcon.twiki
> 
> 
> Diffs
> -----
> 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/configuration/application-properties.xml ed9f1bc 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/metainfo.xml 719f92c 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata.py 6df47b0 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata_server.py 9ba519f 
>   ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/falcon.py 81ea39e 
>   ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/params_linux.py 6b37451 
>   ambari-server/src/main/resources/stacks/HDP/2.2/services/FALCON/configuration/falcon-startup.properties.xml 4e4ec67 
> 
> Diff: https://reviews.apache.org/r/43820/diff/
> 
> 
> Testing
> -------
> 
> Manual test install of Atlas with Falcon through Ambari.
> 
> mvn clean test (pending)
> 
> 
> Thanks,
> 
> Tom Beerbower
> 
>


Re: Review Request 43820: Atlas Integration: Support Atlas / Falcon integration

Posted by Alejandro Fernandez <af...@hortonworks.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/43820/#review120169
-----------------------------------------------------------




ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata.py (line 73)
<https://reviews.apache.org/r/43820/#comment181568>

    Is this file new? If not, which versions of HDP does it affect?
    This may impact RU/EU.


- Alejandro Fernandez


On Feb. 22, 2016, 3:38 a.m., Tom Beerbower wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/43820/
> -----------------------------------------------------------
> 
> (Updated Feb. 22, 2016, 3:38 a.m.)
> 
> 
> Review request for Ambari, Alejandro Fernandez, John Speidel, and Robert Levas.
> 
> 
> Bugs: AMBARI-14922
>     https://issues.apache.org/jira/browse/AMBARI-14922
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> Update Falcon configurations 
> 
> 1.Add 'org.apache.falcon.atlas.service.AtlasService' to application.services in <falcon-conf>/startup.properties
> 2.Link falcon hook jars in falcon classpath - 'ln -s <atlas-home>/hook/falcon/* <falcon-home>/server/webapp/falcon/WEB-INF/lib/'
> 3.Copy <atlas-conf>/atlas-client.properties and <atlas-conf>/atlas-application.properties to the falcon conf directory.
> 
> The following properties in <atlas-conf>/client.properties control the thread pool and notification details:
> 
> 1. atlas.hook.falcon.synchronous - boolean, true to run the hook synchronously. default false
> 2. atlas.hook.falcon.numRetries - number of retries for notification failure. default 3
> 3. atlas.hook.falcon.minThreads - core number of threads. default 5
> 4. atlas.hook.falcon.maxThreads - maximum number of threads. default 5
> 5. atlas.hook.falcon.keepAliveTime - keep alive time in msecs. default 10
> 6. atlas.hook.falcon.queueSize - queue size for the threadpool. default 10000
> 
> Also documented here: https://github.com/apache/incubator-atlas/blob/master/docs/src/site/twiki/Bridge-Falcon.twiki
> 
> 
> Diffs
> -----
> 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/configuration/application-properties.xml ed9f1bc 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/metainfo.xml 719f92c 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata.py 6df47b0 
>   ambari-server/src/main/resources/common-services/ATLAS/0.1.0.2.3/package/scripts/metadata_server.py 9ba519f 
>   ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/falcon.py 81ea39e 
>   ambari-server/src/main/resources/common-services/FALCON/0.5.0.2.1/package/scripts/params_linux.py 6b37451 
>   ambari-server/src/main/resources/stacks/HDP/2.2/services/FALCON/configuration/falcon-startup.properties.xml 4e4ec67 
> 
> Diff: https://reviews.apache.org/r/43820/diff/
> 
> 
> Testing
> -------
> 
> Manual test install of Atlas with Falcon through Ambari.
> 
> mvn clean test (pending)
> 
> 
> Thanks,
> 
> Tom Beerbower
> 
>