Database recovery from production.log

Hi guys,

Anyone has tried before a database recovery from the production.log ?

Apparently, because a bug from a gem, some tables were complete deleted.
I
only have a backup from 3 months ago. There is no change in scheme, just
new data was added.

I’ve made a quick search and some people already tried a recover from
log
file, but it’s not clear if it worked or not. Anyone here already did
this
and was successful ? Is there a tool out there ?

Thanks,
Ernesto

On Sun, Dec 18, 2011 at 9:57 AM, Ernesto R. [email protected]
wrote:

Anyone has tried before a database recovery from the production.log ?

You might have better luck asking this on a mailing list/forum specific
to whatever DB you’re using.


Hassan S. ------------------------ [email protected]
http://about.me/hassanschroeder
twitter: @hassan

Thanks,

I’ll try there too. BTW, I’m using mysql.

gem ‘mysql2’, ‘0.2.7’
rails 3.0.10

Ernesto

On Sun, Dec 18, 2011 at 4:00 PM, Hassan S. <

One could possibly slam together a script to do this but consider what
you have to work with (this will depend on your ROR version):
On the version I am using the information in the production log file is
the controller/method being called, the HTML verb and the parameters.
The controller figures out what is fed to what model. If your app is
very simple it might be feasible. You could possibly put something
together using something like curl to feed the the proper requests into
the server and have your app just act on them.

I just did a manual recovery similarly and it a lot of time just to
cover a few dozen transactions between browser and server.

The lesson from this is obvious, you need backups! I have a job set up
to dump my mysql database daily and forward a copy to another system
periodically.

Good luck
Norm

On Sun, Dec 18, 2011 at 11:22 AM, Ernesto R.
[email protected] wrote:

I’ll try there too. BTW, I’m using mysql.

gem ‘mysql2’, ‘0.2.7’
rails 3.0.10

If you’re looking for recovery options, you should probably identify
the MySQL version and platform as well.

Good luck,

Hassan S. ------------------------ [email protected]
http://about.me/hassanschroeder
twitter: @hassan

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