[wp-trac] [WordPress Trac] #60159: Performance Issues with Large Number of Categories in WordPress Admin Panel

[WordPress Trac]

#60159: Performance Issues with Large Number of Categories in WordPress Admin Panel
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 Reporter:  rangedpenguin  |       Owner:  (none)
     Type:  enhancement    |      Status:  new
 Priority:  normal         |   Milestone:  Awaiting Review
Component:  General        |     Version:  6.4.2
 Severity:  minor          |  Resolution:
 Keywords:                 |     Focuses:
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Comment (by ebqiaafp49):

 Handling a large number of categories in WordPress can indeed lead to
 performance issues, especially in the admin panel where various operations
 such as adding, deleting, and managing categories are performed. Here are
 some insights and potential solutions to optimize WordPress for managing a
 large number of categories:

 1. **Database Indexing**: Ensure that the database tables related to
 categories (`wp_terms`, `wp_term_taxonomy`) are properly indexed for
 efficient querying. Indexing can significantly improve the performance of
 SQL queries, especially when dealing with large datasets.

 2. **Database Optimization**: Regularly optimize and clean up your
 WordPress database to remove any unnecessary data, optimize table
 structures, and improve overall database performance. Plugins like WP-
 Optimize or WP-Sweep can help with this process.

 3. **Caching**: Implement caching mechanisms such as object caching (using
 Redis or Memcached) and page caching (using plugins like WP Super Cache or
 W3 Total Cache) to reduce the load on the server and improve response
 times, especially for frequently accessed pages like category management
 pages in the admin panel.

 4. **Pagination**: Implement pagination for category management pages in
 the admin panel to load and display categories in smaller batches, rather
 than loading all categories at once. This can help reduce server load and
 improve page load times.

 5. **Lazy Loading**: Implement lazy loading techniques to defer the
 loading of categories until they are actually needed, rather than loading
 all categories upfront. This can help improve the initial load time of
 admin pages and reduce server resource usage.

 6. **Code Optimization**: Review custom code or plugins that interact with
 categories and optimize them for performance. Avoid inefficient queries or
 operations that may unnecessarily load or manipulate large datasets.

 7. **Batch Processing**: Consider implementing batch processing for
 operations that involve bulk changes to categories, such as adding or
 deleting multiple categories at once. This can help prevent performance
 issues by spreading out the workload over time.

 8. **Server Configuration**: Ensure that your server configuration (e.g.,
 PHP settings, MySQL configuration, server resources) is optimized for
 handling large datasets and high server loads. Consult with your hosting
 provider or server administrator to make any necessary adjustments.

 By implementing these optimizations and best practices, you can improve
 the performance of WordPress admin panel operations related to category
 management, even when dealing with a large number of categories.
 Additionally, staying updated with the latest WordPress releases and
 performance improvements can also help mitigate performance issues over
 time.

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Ticket URL: <https://core.trac.wordpress.org/ticket/60159#comment:1>
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