I am running a 4 node ignite cluster in AWS. We are running ignite inside of Docker containers (the image is apacheignite/ignite:2.7.6 from Dockerhub). The container is setup to use the host network.
I noticed a lot of warning from the tcp-comm-worker-#1 thread in which it is attempting to connect to unrecognized IP addresses: [2019-11-08 22:38:24,205][WARN ][tcp-comm-worker-#1][TcpCommunicationSpi] Connect timed out (consider increasing 'failureDetectionTimeout' configuration property) [addr=ip-172-17-0-1.ec2.internal/172.17.0.1:47104, failureDetectionTimeout=300000] [2019-11-08 22:40:31,501][WARN ][tcp-comm-worker-#1][TcpCommunicationSpi] Connect timed out (consider increasing 'failureDetectionTimeout' configuration property) [addr=/9.0.1.1:47104, failureDetectionTimeout=300000] [2019-11-08 22:44:40,973][WARN ][tcp-comm-worker-#1][TcpCommunicationSpi] Connect timed out (consider increasing 'failureDetectionTimeout' configuration property) [addr=/198.51.100.3:47105, failureDetectionTimeout=300000] [2019-11-08 22:45:03,931][WARN ][tcp-comm-worker-#1][TcpCommunicationSpi] Connect timed out (consider increasing 'failureDetectionTimeout' configuration property) [addr=ip-172-17-0-1.ec2.internal/172.17.0.1:47104, failureDetectionTimeout=300000] [2019-11-08 22:47:11,245][WARN ][tcp-comm-worker-#1][TcpCommunicationSpi] Connect timed out (consider increasing 'failureDetectionTimeout' configuration property) [addr=ip-172-31-254-1.ec2.internal/172.31.254.1:47104, failureDetectionTimeout=300000] [2019-11-08 22:50:00,333][WARN ][tcp-comm-worker-#1][TcpCommunicationSpi] Connect timed out (consider increasing 'failureDetectionTimeout' configuration property) [addr=/198.51.100.1:47109, failureDetectionTimeout=300000] These IP addresses were not configured in the discoverySpi. I recognize 172.17.0.1 as part of the default Docker bridge network, but as I mentioned earlier we are using the host network. Also 172.31.0.0/16 is the default VPC in AWS, but we are not using that VPC. I have no idea why these IP addresses are being accessed. Can someone explain what is going on? Thanks in advance, Conrad
