You can shutdown and then restart (after some sleep) network stack on the host. I remember doing that on Fedora several years ago for exactly the same purposes.
--Yakov 2016-08-31 15:21 GMT+03:00 Alexey Goncharuk <alexey.goncha...@gmail.com>: > Hi, > > As a starting point you can take a look > at org.apache.ignite.spi.discovery.tcp.ServerImpl#forceNextNodeFailure > which forces DiscoverySpi to drop next node from the topology (not sure if > this is what you need). Another idea is to create a test discovery SPI > which will terminate all it's threads when a test flag is set. Such nodes > also should be segmented from the topology. > > Yakov, do you have other ideas? > > 2016-08-31 0:06 GMT+03:00 Anand Kumar Sankaran <anand.sanka...@workday.com > >: > > > Hi > > > > I am implementing a segmentation resolver to handle split brain > > scenarios. I need to simulate network outages to unit test this > behavior. > > Any suggestions on how to simulate this? I see that the TcpDiscoverySpi > > has timeouts, is there a way to mock TcpDiscoverySpi to think that there > is > > a network outage to simulate such conditions? > > > > Thanks. > > > > -- > > anand > > >