On Sun, Jun 12, 2016 at 06:27:39PM +0300, Julian Anastasov wrote: > > Hello, > > On Fri, 3 Jun 2016, Michal Kubecek wrote: > > > Some users observed that "least connection" distribution algorithm doesn't > > handle well bursts of TCP connections from reconnecting clients after > > a node or network failure. > > > > This is because the algorithm counts active connection as worth 256 > > inactive ones where for TCP, "active" only means TCP connections in > > ESTABLISHED state. In case of a connection burst, new connections are > > handled before previous ones have finished the three way handshaking so > > that all are still counted as "inactive", i.e. cheap ones. The become > > "active" quickly but at that time, all of them are already assigned to one > > real server (or few), resulting in highly unbalanced distribution. > > > > Address this by counting the "pre-established" states as "active". > > > > Signed-off-by: Michal Kubecek <mkubecek@xxxxxxx> > > Acked-by: Julian Anastasov <ja@xxxxxx> > > Simon, please apply! Thanks, done. -- To unsubscribe from this list: send the line "unsubscribe lvs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
