Copy-on-write and Backup Disks

Student: Daniel Yuliy

Educational Programme: Applied Mathematics and Information Science (Bachelor)

Final Grade: 7

Year of Graduation: 2024

Various big data analytics problems are now more important than ever, given the vast amounts of data amassed by large companies. ClickHouse addresses a significant portion of these challenges by offering highly efficient near real-time data analysis tools that are also resilient to failures, easy to use, and customizable. At the core of ClickHouse lies its file system component. This project aims to introduce two new types of disks: backup disks, which offer zero-copy backup availability, and overlay disks, which provide combine read-only base disks with read-write diff disks, adding write capabilities to read-only disks.

Full text (added May 20, 2024)

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