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From "Jonathan Hurley" <jhur...@hortonworks.com>
Subject Review Request 34506: During Upgrade Warn If Multiple Metastores Are Not Present
Date Wed, 20 May 2015 22:46:43 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/34506/
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Review request for Ambari, Nate Cole and Tom Beerbower.


Bugs: AMBARI-11288
    https://issues.apache.org/jira/browse/AMBARI-11288


Repository: ambari


Description
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Having multiple metastore instances is recommended for rolling upgrade. This ensures that
there is at least one metastore that is up and running during the RU process and reduces the
chances of failure.

{panel}
Hive Metastore Availability

Multiple Hive Metastore instances are recommended for Rolling Upgrade. This ensures that there
is at least one Metastore running during the upgrade process.
{panel}


Diffs
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  ambari-server/src/main/java/org/apache/ambari/server/checks/CheckDescription.java 8e92cfe

  ambari-server/src/main/java/org/apache/ambari/server/checks/HiveMultipleMetastoreCheck.java
PRE-CREATION 
  ambari-server/src/main/java/org/apache/ambari/server/checks/UpgradeCheckGroup.java 16e56f3

  ambari-server/src/main/java/org/apache/ambari/server/checks/YarnRMHighAvailabilityCheck.java
db8af29 
  ambari-server/src/test/java/org/apache/ambari/server/checks/TestHiveMultipleMetastoreCheck.java
PRE-CREATION 

Diff: https://reviews.apache.org/r/34506/diff/


Testing
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mvn clean test


Thanks,

Jonathan Hurley


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