Jeremy,

Do you remember what you exactly did to configure this plugin?

On Wed, Apr 4, 2012 at 3:34 PM, Jeremy Keiper <[email protected]> wrote:

> There is a MySQL InnoDB plugin that comes packaged with MySQL 5.1+.
>  Here's a link:
>
> http://dev.mysql.com/doc/innodb-plugin/1.0/en/index.html
>
> The primary benefit for us is fast index creation.  Tuwei, I tested this
> in our Indy dev server and it worked well.  I believe I just enabled the
> plugin with a few lines in a conf file in /etc/mysqld/conf.d/ for it to
> start working.
>
> Implementing this plugin can let you do some things that "normal" InnoDB
> cannot do, which is a good thing unless you need to revert some time.
>  Because of that, I never tried any other fancy InnoDB plugin enhancements.
>
> Jeremy Keiper
> OpenMRS Core Developer
> AMPATH / IU-Kenya Support
>
>
>
> On Wed, Apr 4, 2012 at 8:14 AM, Ben Wolfe <[email protected]> wrote:
>
>> Mysql unnecessarily complicates the "alter" statements.  It copies the
>> entire table and rebuilds it.
>>
>> Jeremy found a workaround that involves setting a new engine to mysql.
>> Once choosing that engine, the alter statement is super fast. I can't find
>> where he talked about or documented that right now though.
>>
>> Ben
>>
>>
>> On Wed, Apr 4, 2012 at 4:26 AM, Tuwei Gilbert <[email protected]>wrote:
>>
>>> Hi all
>>> We are having problem upgrading to 1.9 this is due to the fact that we
>>> have more than 125 million observation. Executing this statement 'ALTER
>>> TABLE obs DROP COLUMN 'date_started' during the upgrade process is taking
>>> forever.Has any body upgraded to 1.9 and has more than 100 Million obs?
>>> We are using tomcat 6.0 and mysql 5.1.
>>>
>>> Regards
>>>
>>> --
>>> Tuwei Gilbert
>>> OpenMRS Core Implementer
>>> USAID/AMPATH-Eldoret Kenya
>>>  ------------------------------
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>>
>>
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