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update_disk_usage_cron()

Description

Update disk usage for all resources that have not yet been updated or have not been updated in the past 30 days.
Limit to a reasonable amount so that this process is spread over several cron intervals for large data sets.

Parameters

This function accepts no parameters.

Return

boolean|void

Location

include/resource_functions.php lines 6326 to 6361

Definition

 
function update_disk_usage_cron()
    {
    global $update_disk_usage_batch_size;

    $lastrun = get_sysvar('last_update_disk_usage_cron', '1970-01-01');
    # Don't run if already run in last 24 hours.
    if (time()-strtotime($lastrun) < 24*60*60)
        {
        echo " - Skipping update_disk_usage_cron  - last run: " . $lastrun . "<br/>\n";
        return false;
        }
    if (is_process_lock("disk_usage_cron"))
        {
        echo " - disk_usage_cron process lock is in place. Skipping.\n";
        return;
        }
    set_process_lock("disk_usage_cron");

    $resources=ps_array(
        "SELECT ref value
            FROM resource
        WHERE ref>0
            AND disk_usage_last_updated IS null
                OR datediff(now(),disk_usage_last_updated)>30
        ORDER BY disk_usage_last_updated ASC
        LIMIT " . (int) $update_disk_usage_batch_size,
        []);
    foreach ($resources as $resource)
        {
        update_disk_usage($resource);
        }

    clear_query_cache("stats");
    set_sysvar("last_update_disk_usage_cron",date("Y-m-d H:i:s"));
    clear_process_lock("disk_usage_cron");
    }

This article was last updated 4th December 2024 08:35 Europe/London time based on the source file dated 28th November 2024 12:10 Europe/London time.