Database Optimization

The Evolution of Database Operations: From Traditional Databases to Distributed SQL

The Evolution of Database Operations: From Traditional Databases to Distributed SQL

Marc Hansen, a systems engineer at Fiserv, recently sat down to discuss his role at this top global fintech and payments company, where he works with both DBaaS and traditional databases. During the conversation, he discussed how cloud technologies, PostgreSQL compatibility, and automation impact how DBAs approach disaster recovery, observability, and database deployment.

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The Curious Case of the Ever-Increasing Tombstones

The Curious Case of the Ever-Increasing Tombstones

In storage systems based on LSM/MVCC, when a record is deleted, it’s not immediately removed. A delete marker (typically called a Tombstone) is placed on the record. As the number of tombstones increases, it could adversely affect the performance of a scan. In this blog, we are going to understand this problem and come up with solutions to address it.

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