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Syncing large datasets between 3 locations, long check times

 
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Joshua



Joined: 26 Dec 2019
Posts: 3

PostPosted: Thu Dec 26, 2019 2:35 pm    Post subject: Syncing large datasets between 3 locations, long check times Reply with quote

Hello. I am currently using ViceVersa 2.5 to sync a very large dataset between 3 sites.
I have ViceVersa installed at Site A, and Site C. Site A has a synchronize job running between Site A and Site B, and Site C has a synchronize job running between Site C and Site B. This effectively allows this dataset to synchronize between all 3 sites. Changes to the dataset are made at all 3 sites.

The problem is this dataset is very large (around 900GB), and continually growing, and is taking an excessive amount of time to perform the target check (around 2 - 4 hours). The actual data transfer does not take very long in comparison to the target check. The internet speed at all 3 locations is good.

I've looked into the no Rescan options, but this does not some appropriate for my setup.

Is there anything I can do to make this setup run better? Does TGMRN offer any other products that would be able to do this type of synchronization any faster?
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TGRMN Software
Site Admin


Joined: 10 Jan 2005
Posts: 8672

PostPosted: Fri Dec 27, 2019 12:01 am    Post subject: Reply with quote

Hi, did you try setting up the VVEngine add-on to work in real-time? Please see:

https://www.tgrmn.com/web/vvengine/vvengine.htm
https://www.tgrmn.com/web/kb/item108.htm

thanks
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Joshua



Joined: 26 Dec 2019
Posts: 3

PostPosted: Fri Dec 27, 2019 1:52 pm    Post subject: Reply with quote

TGRMN Software wrote:
Hi, did you try setting up the VVEngine add-on to work in real-time? Please see:

https://www.tgrmn.com/web/vvengine/vvengine.htm
https://www.tgrmn.com/web/kb/item108.htm

thanks


We aren't currently using VVEngine, but after reading through the information on it, it looks promising. I'm currently doing 2-way sync jobs and I'm assuming to do a setup like this, I would need to add a 3rd instance of ViceVersa to Site B and then do 1-way sync jobs between the locations.

So I would then do one way real time syncs between:
Site A > Site B
Site B > Site A
Site C > Site B
Site B > Site C

Does this sound like it will work properly?
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TGRMN Software
Site Admin


Joined: 10 Jan 2005
Posts: 8672

PostPosted: Sat Dec 28, 2019 1:59 am    Post subject: Reply with quote

Hi, yes, you would need to install VVEngine and ViceVersa on all locations to detect local changes and send the changes to the other sites in real-time.

Same setup as in this document:
https://www.tgrmn.com/web/docs/realtime.pdf

Part II - Method 2
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Joshua



Joined: 26 Dec 2019
Posts: 3

PostPosted: Fri Jan 10, 2020 2:34 pm    Post subject: Reply with quote

I just wanted to update this thread that setting up VVEngine (and a third instance of ViceVersa at Site B) seems to be working pretty well.

I have considered setting up another set of jobs running one way real time syncs directly from Site A to Site C (and Site C to Site A), but I'm not sure how much this would rock the boat.
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