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MIgrating Data(Sharding)


MIgrating Data(Sharding)

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VastSQL
VastSQL
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Group: General Forum Members
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Hi Experts,

We have our OLTP VLDB ,the database contains all information about clients from different countries .Now we have a plan to move data related to particular to servers in that country . The new DB in that country is used mainly for reporting purpose only ,ie the mail database will still get the data and will be replicated from here to other db in other countries.

How can we achieve this with maximum allowed latency of 10mins??

How can we split the data from the main db based on different country to different db?

Thanks in Advance.
Steve Jones
Steve Jones
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There's no way answer what you are asking in a few sentences or a post. Latency will depend on the load you're moving across links and the bandwidth. You need to measure what you're getting, and probably get help from a paid consultant on specifying the links and capacity you need.

In terms of moving data to new databases, if you have some sort of ID or marker per country, you can easily partition the data being sent across replication by specifying a filter for the publication. http://technet.microsoft.com/en-us/library/ms151775.aspx

Follow me on Twitter: @way0utwest
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VastSQL
VastSQL
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Wow..reply from Steve..

Thanks a lot Steve
Steve Jones
Steve Jones
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You are welcome.

good luck

Follow me on Twitter: @way0utwest
Forum Etiquette: How to post data/code on a forum to get the best help
My Blog: www.voiceofthedba.com
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