Business - Online transaction processing (OLTP)

About

Online transaction processing (or OLTP) refers to a class of application that support a business transaction process.

Example

  • Databases (SAP, Oracle, SQL) supporting Online Transaction Processing

Model

The data model that supports this process are called entity-relationship model (ER)

IO pattern

I/O - Workload (Access Pattern)

  • Typically 2KB – 16KB request sizes;
  • Read modify, write, verify operations resulting in 2 reads for every write;
  • Primarily random accesses.
  • Large number of concurrent requests.
  • When running SQL statements in parallel, Database will perform typically large random I/Os.

Documentation / Reference


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