is this the log, /etc/var/log/elasticsearch/elasticsearch.log
[2017-09-11T09:33:52,646][WARN ][o.e.m.j.JvmGcMonitorService] [qs5K1Ku] [gc][young][335528][2079] duration [20.3s], collections [1]/[3.7s], total [20.3s$
[2017-09-11T09:35:45,970][WARN ][o.e.m.j.JvmGcMonitorService] [qs5K1Ku] [gc][335528] overhead, spent [20.3s] collecting in the last [3.7s]
[2017-09-11T14:26:54,605][INFO ][o.e.n.Node ] [] initializing ...
[2017-09-11T14:26:56,242][INFO ][o.e.e.NodeEnvironment ] [qs5K1Ku] using [1] data paths, mounts [[/ (rootfs)]], net usable_space [16.6gb], net total_$
[2017-09-11T14:26:56,242][INFO ][o.e.e.NodeEnvironment ] [qs5K1Ku] heap size [1.9gb], compressed ordinary object pointers [true]
[2017-09-11T14:26:56,393][INFO ][o.e.n.Node ] node name [qs5K1Ku] derived from node ID [qs5K1Ku0S8ic_FQOuqI-YQ]; set [node.name] to overri$
[2017-09-11T14:26:56,393][INFO ][o.e.n.Node ] version[5.5.2], pid[8869], build[b2f0c09/2017-08-14T12:33:14.154Z], OS[Linux/3.10.0-514.el7.$
[2017-09-11T14:26:56,393][INFO ][o.e.n.Node ] JVM arguments [-Xms2g, -Xmx2g, -XX:+UseConcMarkSweepGC, -XX:CMSInitiatingOccupancyFraction=7$
[2017-09-11T14:27:07,974][INFO ][o.e.p.PluginsService ] [qs5K1Ku] loaded module [aggs-matrix-stats]
[2017-09-11T14:27:07,975][INFO ][o.e.p.PluginsService ] [qs5K1Ku] loaded module [ingest-common]
[2017-09-11T14:27:07,975][INFO ][o.e.p.PluginsService ] [qs5K1Ku] loaded module [lang-expression]
[2017-09-11T14:27:07,975][INFO ][o.e.p.PluginsService ] [qs5K1Ku] loaded module [lang-groovy]
[2017-09-11T14:27:07,975][INFO ][o.e.p.PluginsService ] [qs5K1Ku] loaded module [lang-mustache]
[2017-09-11T14:27:07,975][INFO ][o.e.p.PluginsService ] [qs5K1Ku] loaded module [lang-painless]
[2017-09-11T14:27:07,975][INFO ][o.e.p.PluginsService ] [qs5K1Ku] loaded module [parent-join]
[2017-09-11T14:27:07,975][INFO ][o.e.p.PluginsService ] [qs5K1Ku] loaded module [percolator]
[2017-09-11T14:27:07,975][INFO ][o.e.p.PluginsService ] [qs5K1Ku] loaded module [reindex]
[2017-09-11T14:27:07,975][INFO ][o.e.p.PluginsService ] [qs5K1Ku] loaded module [transport-netty3]
[2017-09-11T14:27:07,975][INFO ][o.e.p.PluginsService ] [qs5K1Ku] loaded module [transport-netty4]
[2017-09-11T14:27:07,976][INFO ][o.e.p.PluginsService ] [qs5K1Ku] no plugins loaded
[2017-09-11T14:27:23,757][INFO ][o.e.d.DiscoveryModule ] [qs5K1Ku] using discovery type [zen]
[2017-09-11T14:27:30,731][INFO ][o.e.n.Node ] initialized
[2017-09-11T14:27:30,735][INFO ][o.e.n.Node ] [qs5K1Ku] starting ...
[2017-09-11T14:27:32,324][INFO ][o.e.t.TransportService ] [qs5K1Ku] publish_address {127.0.0.1:9300}, bound_addresses {[::1]:9300}, {127.0.0.1:9300}
[2017-09-11T14:27:36,515][INFO ][o.e.c.s.ClusterService ] [qs5K1Ku] new_master {qs5K1Ku}{qs5K1Ku0S8ic_FQOuqI-YQ}{nlD3EGMVT--2SVoSx5bEDA}{127.0.0.1}{12$
[2017-09-11T14:27:37,961][INFO ][o.e.h.n.Netty4HttpServerTransport] [qs5K1Ku] publish_address {127.0.0.1:9200}, bound_addresses {[::1]:9200}, {127.0.0.1$
[2017-09-11T14:27:37,961][INFO ][o.e.n.Node ] [qs5K1Ku] started
[2017-09-11T14:27:40,351][INFO ][o.e.g.GatewayService ] [qs5K1Ku] recovered [1] indices into cluster_state
[2017-09-11T14:27:42,347][INFO ][o.e.m.j.JvmGcMonitorService] [qs5K1Ku] [gc][11] overhead, spent [628ms] collecting in the last [1.5s]
[2017-09-11T14:27:43,485][INFO ][o.e.c.r.a.AllocationService] [qs5K1Ku] Cluster health status changed from [RED] to [YELLOW] (reason: [shards started [[$