National Grid is a company working in the electricity and gas industry. They run an e-doc management system located on physical servers. During the project, the customer was serving 130 thousand active clients daily. The document repository was 150 TB, and the database was 3 TB.
Highly loaded electronic document management system, located on physical servers in a private data center. Served 130 thousand active customers daily. The document repository was 150 TB, and the database was 3 TB. The amount of data grew rapidly and it became difficult for the customer to maintain the level of reliability and accessibility of the service within the framework of their own data center.
The migration task was complex and in several stages, because a change in the technological stack was made. After analyzing the nature of the daily loads on the information system, we identified the main highload hours: from 9 AM to 11 AM and from 2 PM to 4 PM. During these time intervals, the load on the servers was 100%, the rest of the time the servers were less loaded.
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