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Percona Software for MySQL Documentation

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Percona Toolkit UDFs

These Percona Toolkit user-defined functions (UDFs) offer faster checksum calculations compared to standard methods:

  • libfnv1a_udf

  • libfnv_udf

  • libmurmur_udf

Other information

  • Author/Origin: Baron Schwartz

Installation

Once the installation is complete, execute the following command to install these functions:

mysql> mysql -e "INSTALL COMPONENT 'file://component_percona_udf'"

Troubleshooting

If the INSTALL COMPONENT command fails, try these steps:

  • Check the error message for clues about what went wrong.

  • Verify the component path 'file://component_percona_udf' is correct and accessible.

  • Ensure you have the necessary permissions to install components in MySQL.

If you’re still facing issues, consider reaching out to Percona Support for further assistance.

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