Re: DB Soft Migration
Re: DB Soft Migration
- Subject: Re: DB Soft Migration
- From: Ramsey Gurley <email@hidden>
- Date: Mon, 06 Feb 2012 14:33:27 -0700
On Feb 6, 2012, at 9:09 AM, Jesse Tayler wrote:
> there was a demo app where you copy data from eomodel-a to eomodel-b and it takes quite a bit of time to churn, but I used that some years ago in such a case.
There's also ERXJDBCUtilities._copyDatabaseDefinedByEOModelAndConnectionDictionaryToDatabaseWithConnectionDictionary, but I cannot attest to how well it works.
> On Feb 6, 2012, at 3:03 AM, Ron X wrote:
>
>> Did anybody do this or maybe know how to do this?:
>>
>> I wanna to move from MySQL (not a fork like Percona) to PostgreSQL. But i can't stop the server.
You mean replicate from MySQL to Postgresql on a live server that's still running inserts and updates? I've never heard of anything that does that.
>> So i think that probably exists possibility to set up the WO or EM to write data to PostgreSQL, but read data from both of MySQL and PostgreSQL?
>> And than i will copy all data without locking from MySQL ("in a hot") to PostgreSQL.
>> Thank you.
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