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DataStax with Ed Anuff
Software Engineering Daily
Continuous Iteration Towards Improved Retrieval Performance
The company initially implemented HNSW for indexing, assuming all data was in memory. However, to enable disk storage-based usage, they switched to JVector, an implementation of disk ANN. JVector, an open-source project developed by Jonathan Ellis, delivered enhanced performance, leading to its adoption by projects like OpenSearch. Currently, the company is enhancing retrieval with Colbert on top of JVector, showcasing a commitment to continuous iteration for improved performance.
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