How do I have to set up the e.g. 4 nodes? One live (master) and 3 backup (slave)? And would this solve the problem of two live broker (the steps to reproduce are in first post)?
clebertsuconic wrote > There isn't much we can do with a single backup pair. > > On this case you will need 3 pairs... > > or maybe you could embed zookeeper somehow. We had thought about using > zookeeper (which will require more than 3 nodes to elect quorum > anyways). > > > We can only guarantee that a single backup/live pair is not isolated > on the network. Now if you want to break the system, sure you can do > it. > > if you had more than 3 nodes the quorum would decide to set the node down. > > On Tue, May 16, 2017 at 9:50 AM, martk <123mar...@web.de> wrote: >> No, I would like to simulate a busy/overloaded server (e.g. the broker >> process is not working correctly). The network is all the time available >> and >> the server is also answering a ping. >> >> >> jbertram wrote >>> I realize you're attempting to simulate a network outage, but from what >>> I >>> understand using SIGSTOP isn't necessarily an accurate way to do it. It >>> was >>> explained to me awhile back by a colleague who had done quite a bit of >>> work >>> in this area that SIGSTOP works differently at the socket level from >>> something like pulling a network cable out of a NIC or even killing the >>> process. See more here [1]. In mention this because you might want to >>> develop an alternate testing mechanism to more accurately simulate a >>> network >>> outage use-case. >>> >>> >>> Justin >>> >>> [1] >>> https://unix.stackexchange.com/questions/202104/what-happens-to-requests-to-a-service-that-is-stopped-with-sigstop >> >> Quoted from: >> http://activemq.2283324.n4.nabble.com/Artemis-HA-cluster-with-replication-tp4725734p4726194.html >> >> >> >> >> -- >> View this message in context: >> http://activemq.2283324.n4.nabble.com/Artemis-HA-cluster-with-replication-tp4725734p4726197.html >> Sent from the ActiveMQ - User mailing list archive at Nabble.com. > > > > -- > Clebert Suconic -- View this message in context: http://activemq.2283324.n4.nabble.com/Artemis-HA-cluster-with-replication-tp4725734p4726200.html Sent from the ActiveMQ - User mailing list archive at Nabble.com.
