Lixun Peng (Alibaba Cloud), Inaam Rana (Alibaba Cloud) delivers the talk, "POLARDB: InnoDB based shared-everything storage solution", on DAY 2 of the Percona Live Open Source Database Conference 2018, 4/25, at Santa Clara, CA.

POLARDB provides read scale out on shared everything architecture. It features 100% backward compatibility with MySQL 5.6 and the ability to expand the capacity of a single database to over 100TB. Users can expand the computing engine and storage capability in just a matter of seconds! PolarDB offers a 6x performance improvement over MySQL 5.6 and a significant drop in costs compared to other commercial databases.

POLARDB leverages InnoDB's redo logs for physical replication. InnoDB stores physical page level operations in redo logs for crash recovery. POLARDB extends this functionality to deploy multiple read replicas for read load sharing.
In this talk we'll take a deep dive into InnoDB internals and explain the changes we made to the core InnoDB code. We'll touch upon design issues around logging, crash recovery, buffer pool management, MVCC, DDL synchronization etc.
This talk will be mostly about the core internals of InnoDB. Some basic knowledge of internals like redo logs, undo logs, read view (transaction isolation), purge and buffer pool management will be very helpful.

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