You are here: Saotn.org » optimization

optimization

How to Fix Yoast SEO for WordPress DeleteDuplicateIndexables MySQL error

In recent days, there are a number of reports about broken Yoast SEO database operations, related to the DeleteDuplicateIndexables function. The PHP function is located in the file wordpress-seo\src\config\migrations\20200507054848_DeleteDuplicateIndexables.php, and in this post I’ll provide you with a possible fix for this statement. Read on.

Read More »How to Fix Yoast SEO for WordPress DeleteDuplicateIndexables MySQL error

Increase WordPress’ memory limit WP_MEMORY_LIMIT properly in wp-config.php

Here is how to increase WordPress’ memory limit (WP_MEMORY_LIMIT) properly. I see this done wrong over and over again in WordPress plugins and themes. In a worst case scenario this may even decrease the available amount of memory for WordPress! So be careful with the advice you follow. In this post I show you one correct way of setting WordPress WP_MEMORY_LIMIT and PHP memory_limit settings.

Read More »Increase WordPress’ memory limit WP_MEMORY_LIMIT properly in wp-config.php

Optimize(d) WordPress hosting (9+ practical tips)

Optimized WordPress hosting is a subject on which a lot is written about. And therefore, this post is not about where to host your WordPress blog, or who offers the best WordPress hosting. This post is for you developers, what you can do to optimize your WordPress hosting. Or for any other PHP web application for that matter. This post is not about setting up high-availability, fail-over, clustering, IIS versus Nginx versus Apache, RAID 1, 5, 6, 10, different types of storage, and so on. It’s about solving performance issues.

Read More »Optimize(d) WordPress hosting (9+ practical tips)

MySQL InnoDB performance improvement: InnoDB buffer pool instances – Updated!

Are you running into MySQL load problems? Learn how to tune MySQL servers for a heavy InnoDB workload, by configuring innodb_buffer_pool_instances. Dividing the InnoDB buffer pool into multiple instances improves Disk I/O. By doing so, you run your database and website more efficiently and faster. Here is a little help for you.

Read More »MySQL InnoDB performance improvement: InnoDB buffer pool instances – Updated!

Optimize WordPress MySQL tables through Cron, behind the scenes

Schedule WordPress database optimization with WP-Cron

To regularly optimize my WordPress database tables, I created a small plugin that utilizes the WordPress Cron feature. This comes in handy to perform database optimization for WordPress on a regular basis, without forgetting about it. Just activate and enjoy. And here is the plugin code …

Read More »Optimize WordPress MySQL tables through Cron, behind the scenes

How to set a good PHP realpath_cache_size

The PHP directive realpath_cache_size sets the size of the realpath cache to be used by PHP. Increasing realpath_cache_size might greatly improve PHP performance, as PHP states: “this value should be increased on systems where PHP opens many files.” Setting a correct value for PHP realpath_cache_size can greatly improve PHP performance and optimize WordPress – and other CMS’s – websites.

Read More »How to set a good PHP realpath_cache_size

Convert MySQL MyISAM tables to InnoDB

In the earlier days of MySQL, the default storage engine for your database tables was “MyISAM”. InnoDB is the engine to use now, and MyISAM is no longer actively developed. Therefore all MySQL optimizations are for InnoDB, and it’s recommended to switch from MyISAM to this InnoDB storage engine for your MySQL database tables. Follow this tutorial on how to convert from MyISAM to InnoDB.

Read More »Convert MySQL MyISAM tables to InnoDB

WordPress wp_options table autoload micro-optimization

Learn how to optimize WordPress’ wp_options table for faster database results. This probably isn’t a big issue, but today I noticed a slow MySQL query coming from a WordPress database (WordPress wp_options table). This made me investigate and to optimize the WordPress wp_options table “autoload” feature. The autoload feature loads and caches all autoloaded options, if available, or all options. The default option is to autoload, and over time when the wp_options table grows, this degrades performance.

Read More »WordPress wp_options table autoload micro-optimization

Configure SQLServer sessionState for Umbraco

Configure Umbraco for SQLServer sessionState storage, for your sessions. This post explains how to prepare your Umbraco website for a high performance web garden or web farm, and load balancing environments: Store your ASP.NET / Umbraco sessions out-of-process (OutProc). As opposed to the default in-process (inProc) sessions, where sessions are saved in the worker process.

Read More »Configure SQLServer sessionState for Umbraco