Support » Plugin: Heartbeat Control » Multisite conpatibility?

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  • Plugin Author JeffMatson


    It is not tested with multisite. Feel free to post your results here though.

    Heartbeat Control does not work in a multisite/network installation. Installed and went through each blog on the multisite to set controls. No effect on heartbeat. I was really hoping this would help control cpu load.



    +1 for multisite/network installation too 🙂



    You can try using an mu-plugin (all thanks to Sybre!)

     * Plugin Name: Heartbeat Slowdown [Multisite module]
     * Plugin URI:
     * Description: Lower the heartbeat frequency to reduce http requests
     * Author: Sybre Waaijer
     * Author URI:
    function hmpl_slow_heartbeat( $settings ) {
        $settings['interval'] = 60;
        return $settings;
    add_filter( 'heartbeat_settings', 'hmpl_slow_heartbeat' );

    @maxfein where you add this?

    Add it to wp-content/mu-plugins. I named mine heartbeat.php.

    Do I have to upload the plugin or this file too?
    Also, I noticed that the code above doesn’t close with “?>”


    PHP files don’t need to end in ?> nowadays. It’s actually viewed as bad practice.

    For more reading I recommend this StackOverflow article which explains why in detail: Why you should omit closing tags


    any feed back is it working

    so i need to activate the plugin on all the site indepensdantly and then put the php code in mu plugin?


    I’d added the suggested script to my multisite installation, but I finally realized it wasn’t working and I had to delete it.


    Thanks @maxfein!

    Copy/pasted the code exactly into a file I named heartbeat.php and uploaded it to /mu-plugins/ within /wp-content/ on my (absolutely massive) multisite installation.

    No longer receiving connection errors. Page load has dropped by 4 seconds (it was bad) on the backend. No longer seeing massive wait on admin-ajax.php on site pingdom test.

    EDIT: The relief was temporary. I’m still loading quicker, but the connection errors are back. Ouch!

Viewing 12 replies - 1 through 12 (of 12 total)
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