Re: Real time data trasfer between 2 DB

Arvind Kumar (IT-SIS-UIF) pisze:
> Hi Upendra,
> 
>  
> 
> Thanks for the suggestions.
> 
>  
> 
> *     There will be three tables for initial load with 2.7GB in total.
> 
> *     Destination table only be used for reporting so not updates. 
> *     There would  be 10000GPS units which will send their coordinates
> and other information
> 
>  At every 5 second so (10000) records would need to be transferred
> destination database with every refresh.
> 
> *     We are using varchar2 and number in those tables.
> 
>  


You could think about upgrading to 11g - in that case You would be able
to read from standby for reports purposes still applying data, as
Upendra said in point 2
> 
>  
> 
> ________________________________
> 
> From: Upendra N [mailto:nupendra@xxxxxxxxxxx] 
> Sent: Friday, August 27, 2010 7:51 AM
> To: Arvind Kumar (IT-SIS-UIF); oracle-l@xxxxxxxxxxxxx
> Subject: RE: Real time data trasfer between 2 DB
> 
>  
> 
> Hi Arvind,
> Depends on the flexibility on "near real time" requirements, you could
> use the following:
> 
> 1. Materialized views - You could setup MVs with fast refresh to every
> minute or 30 seconds refresh interval. Depending on your read-only or
> read write requirements on the tables, this may or may not work. This is
> easy to setup and easy to manage. 
> 2. Active Data guard - If you want only a read only database at the
> other site, this will work. 
> 3. Advanced replication - You could setup replication interval to 30-60
> seconds. Provides flexibility to use tables that can be updated at both
> the databases.
> 4. Oracle Streams - You could setup schema level or selective table
> level replication, replication interval could be 30-60 seconds.
> 5. Depending on the flexibility you could also consider Oracle RAC -
> Metro cluster where RAC nodes spread across multiple data centers. 
> 
> Near real time could be 5 milliseconds or 5 minutes... you need to
> define this. 
> 
> Some of the questions you need to clarify:
> How large are the initial size of the tables?
> Do you want update capabilities on the destination database?
> How much data will you generate between the refresh interval?
> Do you have any special data types that needs to be replicated?
> 
> -Upendra
> 
> 
> 
> 
> ________________________________
> 
> Subject: Real time data trasfer between 2 DB
> Date: Fri, 27 Aug 2010 07:21:59 +0200
> From: Arvind.Kumar@xxxxxxxxxxxxx
> To: oracle-l@xxxxxxxxxxxxx
> 
> Greeting all,
> 
>  
> 
> What would be the best method to transfer data between two databases
> (10g R2) in real time (near real time). It's a transport system where
> GPS devices installed in City Buses inserts records (location, timings)
> into oracle DB then this data has to be transferred to other oracle DB
> for reporting with a max latency on 5 second. 
> 
> Any input or experience on similar scenario will be highly appreciated.
> 
>                                                      
> 
> Thanks
> 
> Arvind Kumar
> 
>  
> 
> 


-- 
Pole nakazi

----------------------------------------------------------------------
Remigiusz Sokolowski <remigiusz.sokolowski@xxxxxxxxxx>
pos   : DBA at DIiUSI
addr  : Nordea Bank Polska SA, Luzycka 6A Street, 81-537 Gdynia, Poland
phone : +48 58 667 17 43
mobile: +48 602 42 42 77

Nordea Bank Polska S.A. z siedzib? w Gdyni, ul. Kielecka 2, 81-303 Gdynia, 
wpisan? do Rejestru Przedsi?biorców Krajowego Rejestru S?dowego pod numerem: 
0000021828, 
dla której dokumentacj? przechowuje S?d Rejonowy Gda?sk - Pó?noc w Gda?sku, 
VIII Wydzia? Gospodarczy Krajowego Rejestru S?dowego, 
o kapitale zak?adowym i wp?aconym w wysoko?ci: 227.593.500,00 z?otych, 
NIP: 586-000-78-20, REGON: 190024711
--
http://www.freelists.org/webpage/oracle-l

Other related posts: