Imagine this scenario – at a restaurant you need to have a private phone conversation but unfortunately phone’s battery is drained. To get around this problem, borrow a friend’s phone and dial the number – to protect my privacy I walk outside....TCP Fast Open (TFO) is an extension to speed up the opening of successive Transmission Control Protocol (TCP) connections between two endpoints. It works by using a TFO cookie (a TCP option), which is a cryptographic cookie stored on the client and set upon the...Some fresh benchmarks over the past day on PHP 5.5.38, PHP 5.6.38, PHP 7.0.32, PHP 7.1.24, PHP 7.2.13, and the PHP 7.3.0 release. PHP 7.3 is just shy of 10% faster than PHP 7.2 in the popular PHPBench. PHP 7.3 is 31% faster than PHP 7.0 or nearly 3x the speed of...On large zpools ZFS ARC memory occupies whole free ram on the machine and it starts swapping. It looks like that something is wrong and it needs some tuning. Good results are archived after founding ZFS sysctl tunable vfs.zfs.arc_free_target to define how much memory...Interesting article here.In case someone else encounters the same issue, it turns out that net-snmp-config –cflags is responsible for the -std=c99 flag. Disabling SNMP support with –without-net-snmp can be used as a workaround for now.