Node A logs:
elasticsearch_1 | {"type": "server", "timestamp": "2020-10-16T17:57:24,154+0000", "level": "INFO", "component": "o.e.n.Node", "cluster.name": "elk-cluster", "node.name": "primary", "message": "initialized" }
elasticsearch_1 | {"type": "server", "timestamp": "2020-10-16T17:57:24,155+0000", "level": "INFO", "component": "o.e.n.Node", "cluster.name": "elk-cluster", "node.name": "primary", "message": "starting ..." }
elasticsearch_1 | {"type": "server", "timestamp": "2020-10-16T17:57:24,320+0000", "level": "INFO", "component": "o.e.t.TransportService", "cluster.name": "elk-cluster", "node.name": "primary", "message": "publish_address {172.19.0.2:9300}, bound_addresses {0.0.0.0:9300}" }
elasticsearch_1 | {"type": "server", "timestamp": "2020-10-16T17:57:24,329+0000", "level": "INFO", "component": "o.e.b.BootstrapChecks", "cluster.name": "elk-cluster", "node.name": "primary", "message": "bound or publishing to a non-loopback address, enforcing bootstrap checks" }
elasticsearch_1 | {"type": "server", "timestamp": "2020-10-16T17:57:24,343+0000", "level": "INFO", "component": "o.e.c.c.Coordinator", "cluster.name": "elk-cluster", "node.name": "primary", "message": "cluster UUID [T7OI4j3uQGexfTvKnDV7Gg]" }
elasticsearch_1 | {"type": "server", "timestamp": "2020-10-16T17:57:25,109+0000", "level": "INFO", "component": "o.e.c.s.MasterService", "cluster.name": "elk-cluster", "node.name": "primary", "message": "elected-as-master ([1] nodes joined)[{primary}{RqQaxTmnSre0YJbou0RPLA}{1HE7-VlvRlyzgSqhh-eElg}{172.19.0.2}{172.19.0.2:9300}{ml.machine_memory=33811034112, xpack.installed=true, ml.max_open_jobs=20} elect leader, _BECOME_MASTER_TASK_, _FINISH_ELECTION_], term: 33, version: 12709, reason: master node changed {previous [], current [{primary}{RqQaxTmnSre0YJbou0RPLA}{1HE7-VlvRlyzgSqhh-eElg}{172.19.0.2}{172.19.0.2:9300}{ml.machine_memory=33811034112, xpack.installed=true, ml.max_open_jobs=20}]}" }
elasticsearch_1 | {"type": "server", "timestamp": "2020-10-16T17:57:25,192+0000", "level": "WARN", "component": "o.e.m.j.JvmGcMonitorService", "cluster.name": "elk-cluster", "node.name": "primary", "message": "[gc][1] overhead, spent [529ms] collecting in the last [1s]" }
elasticsearch_1 | {"type": "server", "timestamp": "2020-10-16T17:57:32,948+0000", "level": "INFO", "component": "o.e.c.s.ClusterApplierService", "cluster.name": "elk-cluster", "node.name": "primary", "message": "master node changed {previous [], current [{primary}{RqQaxTmnSre0YJbou0RPLA}{1HE7-VlvRlyzgSqhh-eElg}{172.19.0.2}{172.19.0.2:9300}{ml.machine_memory=33811034112, xpack.installed=true, ml.max_open_jobs=20}]}, term: 33, version: 12709, reason: Publication{term=33, version=12709}" }