I was hoping someone could clear the air for me when it comes to using transients with memcached. When running a plugin like w3-total-cache, are there any actual performance advantages to using transients to store large post queries? If we are running memcached, the queries will already be cached by memcached correct? What then, if … Read more
You would think that a transient set to expire at a certain time, would exist until that time. Unfortunately it seems they are disappearing from the database earlier, both on test and production. As a simple example to see this behavior, try: <?php /* Plugin Name: Test transient Description: Show transients bug Version: 0.1 */ … Read more
Are WP transients specific to the user-session or can they be accessed from any session anywhere? Since they are written to the DB, I would imagine they are public and accessible everywhere, but is there a way to limit their scope to only one user’s session? The website I am building does not offer a … Read more
I’ve recently come across the Transients API in WordPress in hopes of improving the performance of the plugin that I’m trying to write. Basically the plugin is storing product details from the amazon product advertising API in the database. The product details are stored using the json encoded representation of the array. Now I’m trying … Read more
I have a big site for a client, and as it is a really customized wordpress installation with lots of extensions on functionality, I can’t use the caching plugins. To improve the performance, I built a lot of the Site using transients (for example the navigation, the google maps with all the markers etc.), and … Read more
I am trying to use get_transient() method in my WordPress, I have read the document and seems like I am doing what has been described in the docs. I need to show weather in my website and I am using a third party weather API which is updated every 6 hours. We are creating a … Read more
Today I run a test over my db to explore the speed difference between accessing a key from options, custom table & transients. I ran the test for 1000 times and following is the time taken to run 1000 get operations: get_transient() 0.0245 seconds get_option() 0.0068 seconds simple select operation from Custom Table 0.65 seconds … Read more
I have around 20 wp_cron() functions like the following code. Almost all crons run hourly; a few are daily. if ( ! wp_next_scheduled( ‘my_task_hook’ ) ) { wp_schedule_event( time(), ‘hourly’, ‘my_task_hook’ ); } add_action( ‘my_task_hook’, ‘my_task_function’ ); function my_task_function() { //Complex Code } To increase server performance, and so as not to keep getting server … Read more
Why does Java have transient fields? 1 15 The transient keyword in Java is used to indicate that a field should not be part of the serialization (which means saved, like to a file) process. From the Java Language Specification, Java SE 7 Edition, Section 8.3.1.3. transient Fields: Variables may be marked transient to indicate … Read more
I’ve never used the Transients API before and was wondering if anyone has guidance on when to use it. The Codex article implies that as a theme developer I might want to set each new WP_Query() as a transient; I assume the same might be said for direct $wpdb queries and query_posts(). Is that overkill? … Read more
