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Developing applications with DataStax drivers

    • Getting started
    • Best practices
    • Connecting to the database
      • Connecting to DataStax Astra databases
      • Authentication in DataStax drivers
      • Using SSL in DataStax drivers
      • Load balancing with DataStax drivers
      • Connection pooling
      • Retry policies
      • Reconnection policies
      • Execution profiles
    • Submitting queries
      • Working with multi-workload clusters
      • Using DSE Search with the DataStax drivers
      • Submitting DSE Graph queries with the DataStax drivers
      • Result paging with DataStax drivers
      • Synchronous and asynchronous query execution
      • Managing concurrency in asynchronous query execution
      • Speculative query execution
      • Query idempotence
      • Driver metrics
      • Object mappers in DSE drivers
      • Query timestamps
    • Error handling
      • Server errors
      • Client errors
    • Example applications
      • Connecting to Astra
      • Executing CQL statements
      • Executing bound statements
  • Developing applications with DataStax drivers
  • Connecting to the database
  • Execution profiles

Execution profiles

Execution profiles allows a single session to run different types of query workloads, each with its own settings.

An execution profile encapsulates a group of settings that can then be associated with individual queries. This provides a convenient way to group queries based on the following settings:

  • Request timeout

  • Consistency level

  • Load balancing policy

  • Retry policy

  • Speculative execution policy

This is not an exhaustive list and can vary by driver implementation.

Table 1. Execution policies for drivers

C/C++

C#

Java

Node.js

PHP [1]

Python

Ruby

Using execution profiles

Create, configure, and register an execution profile object by name using the cluster or session objects, depending on the driver. Associate the named execution profile object with a query by providing the name to the query execution method or setting it on a statement object.

The method of associating the profile name with the query execution can vary by driver implementation. See the language-specific documentation for additional details on using execution profiles.

Footnotes


1. Execution profiles are not supported by the PHP driver.
Reconnection policies Submitting queries

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