I think keepalive option should be set in Zookeeper, not in Mesos. See this related issue in Zookeeper. https://issues.apache.org/jira/browse/ZOOKEEPER-2246?focusedCommentId=14724085&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14724085
On Sun, Nov 8, 2015 at 4:47 AM, Jeremy Olexa <jol...@spscommerce.com> wrote: > Hello all, > > > We have been fighting some network/session disconnection issues between > datacenters and I'm curious if there is anyway to enable tcp keepalive on > the zookeeper/mesos sockets? If there was a way, then the sysctl tcp > kernel settings would be used. I believe keepalive has to be enabled by the > software which is opening the connection. (That is my understanding anyway) > > > Here is what I see via netstat --timers -tn: > > tcp 0 0 172.18.1.1:55842 10.10.1.1:2181 ESTABLISHED > off (0.00/0/0) > > tcp 0 0 172.18.1.1:49702 10.10.1.1:5050 ESTABLISHED > off (0.00/0/0) > > > > Where 172 is the mesos-slave network and 10 is the mesos-master network. > The "off" keyword means that keepalive's are not being sent. > > > I've trolled through JIRA, git, etc and cannot easily determine if this is > expected behavior or should be an enhancement request. Any ideas? > > > Thanks much! > > -Jeremy > > -- Best Regards, Haosdent Huang
