Themis
An ACID transaction layer for HBase providing cross-row and cross-table transactions based on Google's Percolator algorithm.
What is Themis?
Themis is an open-source transaction layer for Apache HBase that provides ACID-compliant cross-row and cross-table transactions. It solves the problem of maintaining data consistency in distributed HBase operations by implementing Google's Percolator algorithm with two-phase commit and conflict resolution.
Developers and data engineers building distributed applications on HBase that require strong consistency guarantees for multi-row or multi-table operations, such as financial systems or inventory management.
Themis offers a production-tested, non-invasive solution that adds full ACID transactions to HBase without modifying its source code, leveraging HBase's coprocessor framework for seamless integration and snapshot isolation via global timestamps.
Overview
Themis provides cross-row/cross-table transaction on HBase based on google's percolator.
Use Cases
Best For
- Adding ACID transactions to existing HBase deployments
- Building financial applications requiring cross-row consistency
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