Lakehouse:Predictive Optimization,Out of box performance & Optimizer Statistics,Delta Metadata

- Tech Lead of Autonomous DB and rich SQL features: Automatic Table Optimization, Online DDLs, Schema Quota, Transactional Truncate and so on.- Tech Lead of Concurrency Scaling,- Tech lead of Serverless Migration,- RedShift Managed Storage.

- Storage Engine: Decouple Storage and Compute.- Storage Performance Improvement -- I/O performance. -- Commit performance. -- Mutex contention reduction.- Create infrastructure to switch table distribution style online without affecting user experience.

Amazon Redshift is a fast, fully managed, petabyte-scale data warehouse.1. Storage Engine2. IO optimization3. Memory/Cache management

Duty: · Designed and develop new software for traders. · Provided real-time support for arbitrage traders - modify the application or fix bugs. Project in Charge: Basic Calculator · Calculate the Repo rate for a period of date by using the stock price, future price, interest,and dividend information, and then show all these data to user through grid. · Plot the Moving Average curve and Histogram of Repo rate on to a graph, and allow user to manually adjust the Moving Average Sample Size and Histogram Interval Size.