varnish throttling

I came across the varnish throttle module the other day – which seems quite useful – and certainly gives better control over abusive requests than using fail2ban (in that, only specific URLs/request types can be targeted and blocked with the throttle module, while fail2ban tends to trigger the blocking of any traffic from a client… Continue reading varnish throttling

Cleaning up a lot of WordPress _transients

WordPress seems to like hiding a load of ‘transient’ (cacheable) stuff in it’s wp_options table. Unfortunately for one site, it seems it didn’t bother to clean up the transient stuff, leaving behind about 750,000 records… which made a WP version upgrade painful, as MySQL locks the wp_option table which causes all other page loads to… Continue reading Cleaning up a lot of WordPress _transients