Logo
Grokking the Advanced System Design Interview
Ask Author
Back to course home

0% completed

Working with Tablets

Locating Tablets

Since Tablets move around from server to server (due to load balancing, Tablet server failures, etc.), given a row, how do we find the correct Tablet server? To answer this, we need to find the Tablet whose row range covers the target row. BigTable maintains a 3-level hierarchy, analogous to that of a B+ tree, to store Tablet location information.

BigTable creates a special table, called Metadata table, to store Tablet locations

.....

.....

.....

Like the course? Get enrolled and start learning!