Does W3TC clear object cache automatically when a scheduled post gets published?
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We had a weird issue today where a WooCommerce product got published but it’s like was as if it was still a scheduled/draft post e.g. https://example.com/?product_type=product&p=123
The only way I can see this happen is if some parts of the code think the product is published (which is why it appears in the frontend) but the generated permalink was still https://example.com/?product_type=product&p=123
My first doubt was due to the object cache.
The issue resolved itself within a minute before I could confirm if clearing the object cache fixed it.Additional info: my WP CRON runs every minute externally (Linux’s crontab). WP’s pseudo cron is disabled.
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Hi Marko,
Can you please confirm if you tried this with Redis-based object cache or file-based object cache? I wanted to rule out any differences there.
The use case at our end is that these are flash sales with 100+ people waiting to buy the product. Even that 1-2 minutes of page-specific downtime where the URL appears broken and the product is not eligible to be in the cart is a major issue (suspecting due to difference in post_status stored in object cache & DB?).
On my side, the following code seems to be resolving this issue.
It clears the W3TC object cache when a product transitions from the future to publish status.function purge_object_cache_on_future_to_publish( $new, $old, $post ) { if ( $post->post_type == 'product' && $new == 'publish' && $old == 'future' ) { if(function_exists('w3tc_objectcache_flush')) { w3tc_objectcache_flush(); } } } add_action( 'transition_post_status', 'purge_object_cache_on_future_to_publish', 10, 3 );
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