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Subject: Re: Review Request 15344: Enabling DB HA for cloud stack data bases
 using
 mysql active-active solution
From: "Abhinandan Prateek" <aprateek@apache.org>
To: "Darren Shepherd" <darren.s.shepherd@gmail.com>,
 "Abhinandan Prateek" <aprateek@apache.org>
Cc: "Damodar Reddy Talakanti" <damoder.reddy@citrix.com>,
 "cloudstack" <dev@cloudstack.apache.org>
Date: Thu, 14 Nov 2013 04:49:16 -0000
Message-ID: <20131114044916.2333.75261@reviews.apache.org>
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/15344/#review28860
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Add license header to StaticStrategy.java

- Abhinandan Prateek


On Nov. 12, 2013, 12:43 p.m., Damodar Reddy Talakanti wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/15344/
> -----------------------------------------------------------
> 
> (Updated Nov. 12, 2013, 12:43 p.m.)
> 
> 
> Review request for cloudstack, Abhinandan Prateek and Darren Shepherd.
> 
> 
> Bugs: https://issues.apache.org/jira/browse/CLOUDSTACK-4916
>     https://issues.apache.org/jira/browse/https://issues.apache.org/jira/browse/CLOUDSTACK-4916
> 
> 
> Repository: cloudstack-git
> 
> 
> Description
> -------
> 
> To enable Data base High Availability for cloud stack management server database. We have used Mysql's connector parameters to switch between master and slaves along with mysql's 2-way replication and chain way of replication for more than 2 nodes
> 
> https://wikis.oracle.com/display/CommSuite/MySQL+High+Availability+and+Replication+Information+For+Calendar+Server#MySQLHighAvailabilityandReplicationInformationForCalendarServer-MySQLServerTwoWayReplicationExample
> 
> Due ot this defect http://bugs.mysql.com/bug.php?id=68141 changed 2 files to have synchronized for on block of statements which were cauing Thread BLOCKING..
> 
> 
> Diffs
> -----
> 
>   client/tomcatconf/db.properties.in 31e0803 
>   framework/db/pom.xml 5af00a0 
>   framework/db/src/com/cloud/utils/db/StaticStrategy.java PRE-CREATION 
>   framework/db/src/com/cloud/utils/db/TransactionLegacy.java 39893bd 
> 
> Diff: https://reviews.apache.org/r/15344/diff/
> 
> 
> Testing
> -------
> 
> Basic sanity testing is done using 2 nodes. If any transaction(api request) is in between and if server goes down then that api request will fail
> 
> 
> Thanks,
> 
> Damodar Reddy Talakanti
> 
>


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