Date: Tue, 26 Oct 2010 16:29:56 +0100 From: Pete French <petefrench@ticketswitch.com> To: freebsd-stable@freebsd.org, to.my.trociny@gmail.com Subject: Re: hast vs ggate+gmirror sychrnoisation speed Message-ID: <E1PAlTI-000Gtb-Lz@dilbert.ticketswitch.com>
next in thread | raw e-mail | index | archive | help
> You can check if the queue size is an issue monitoring with netstat Recv-Q and > Send-Q for hastd connections during the test. Running something like below: > > while sleep 1; do netstat -na |grep '\.8457.*ESTAB'; done Interesting - I ran those and started a complete resilvert (I do this by changing the secindary to 'init', running 'create' and then changing the role back to secondary) On primary I get... tcp4 0 0 10.17.18.1.10062 10.17.18.2.8457 ESTABLISHED tcp4 0 29872 10.17.18.1.10061 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10062 10.17.18.2.8457 ESTABLISHED tcp4 0 115 10.17.18.1.10061 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10062 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10061 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10062 10.17.18.2.8457 ESTABLISHED tcp4 0 80928 10.17.18.1.10061 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10062 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10061 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10062 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10061 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10062 10.17.18.2.8457 ESTABLISHED tcp4 0 32883 10.17.18.1.10061 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10062 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10061 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10062 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10061 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10062 10.17.18.2.8457 ESTABLISHED tcp4 0 115 10.17.18.1.10061 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10062 10.17.18.2.8457 ESTABLISHED tcp4 0 0 10.17.18.1.10061 10.17.18.2.8457 ESTABLISHED And on the secondary.... tcp4 0 27 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 27 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 27 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 27 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 105544 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 8688 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 84360 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 102648 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 27 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 17376 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 64088 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 27 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 27 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 34216 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 27 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED tcp4 0 0 10.17.18.2.8457 10.17.18.1.10061 ESTABLISHED tcp4 0 27 10.17.18.2.8457 10.17.18.1.10062 ESTABLISHED Thats just an example - I see the same kind of behaviour throughout the sychronisation process. I cant comopare it to gmirror+ggated, but it looks far more bursty than I would expect. -pete.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?E1PAlTI-000Gtb-Lz>