Data loading delayed the delivery of our reports,” says Hunt. ![]() “We have to both load and consume the 30 billion records in a time period between market close and the following morning. ![]() More sophisticated trading practices lead to a massive growth in data and it was critical that Nasdaq started planning to evolve a new architecture to continue to achieve the performance standards and operational excellence that the ecosystem expects. “When market volatility increased in early 2018, data volumes for the warehouse grew substantially, peaking at about 55 billion records per day in 2018,” says Hunt. Users rely on the data to complete billing, reporting, and surveillance. The overnight batch processing that runs against the warehouse caused challenges in processing enormous volumes to meet stringent deadlines. Over time, growth in data led to a change in approach for managing that data for analytics. By 2018, the solution ingested financial market data from thousands of sources nightly, ranging from 30 billion to 55 billion records and surpassing 4 terabytes. Between 20, this Amazon Redshift cluster grew to 70 nodes as the company expanded the solution to support all its North American markets. In 2014, to increase scale and performance and lower operational costs, Nasdaq moved from a legacy on-premises data warehouse to an Amazon Web Services (AWS) data warehouse powered by an Amazon Redshift cluster. Every night, Nasdaq receives billions of records that need to be loaded for billing and reporting processes before the markets open the following morning.Īs automated trading platforms have entered the market, the pace and volume of transactions has grown. “This data includes orders, quotes, trades, and cancellations,” says Robert Hunt, vice president of software engineering for Nasdaq. Nasdaq relies on an internal application to capture and store all protected exchange data. The Nasdaq Stock Exchange is the largest equities franchise globally by volume, and it manages the matching of buyers and sellers at high volume and velocity, while providing data feeding the price quote for stocks in electronically entered trades. It is home to nearly 4,000 listed companies globally across its markets and also provides its mission-critical technology to other market infrastructure operators located in 50 countries. Nasdaq operates a total of 27 markets, a central securities depository, and clearinghouse across a variety of asset classes in North America and Europe. Nasdaq is a multinational financial services and technology corporation that owns and operates the Nasdaq Stock Exchange.
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