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.
Other reading¶
- Percona Toolkit documentation