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How to improve Roundcube Webmail search performance in cPanel with Solr plugin
Introduction
This guide provides a comprehensive walkthrough on how to significantly enhance the search speed within Roundcube webmail, especially when dealing with large mailboxes. By integrating the Solr plugin, users can experience a much faster and more efficient search experience.
Prerequisite
- Access to cPanel with root privileges
- Basic knowledge of cPanel and its features
Step-by-step guide
Step 1: Access to cPanel
- Login to your cPanel control panel.
The URL to your cPanel typically will be like <domain>:2087 or <server IP>:2087.
Step 2: Verify Solr Installation
- Search ‘plugin’ in the search bar on top left.
- Select Manage Plugins to enter plugin management page.
- If ‘Uninstall’ is visible on this screen, the Solr plugin is already installed. You may try increase the memory limit for it, the step – https://www.ipserverone.info/knowledge-base/how-to-increase-the-solr-memory-limit/
Important Note ⚠️: Avoid excessively increasing the memory limit, as this could lead to the server experiencing Out-of-Memory errors, especially if your server has limited RAM.
- Else, you may press ‘Install’ to install the Solr plugin.
Step 3: Verify the performance
- Login to Roundcube webmail or refresh it, then check the search performance changes.
Conclusion
By following this guidance, you can successfully install and enable the Solr plugin for Roundcube webmail in cPanel, significantly improving search performance and providing a more efficient experience for users.
For additional assistance or if you encounter any issues, please contact our support team at support@ipserverone.com.