Recently we got an error on the rancher where I run the full load memory rancher My hardware is as follows:
OS: Ubuntu 18.04 virtual machine
Ram: 8GB
CPU: 4 Core
Disk: 160GB
Below is the rancher container log.
[2020/11/17 03:01:13 [INFO] Rancher version v2.2.8 is starting
2020/11/17 03:01:13 [INFO] Rancher arguments {ACMEDomains:[domain.vn] AddLocal:auto Embedded:false KubeConfig: HTTPListenPort:80 HTTPSListenPort:443 K8sMode:auto Debug:false NoCACerts:false ListenConfig: AuditLogPath:/var/log/auditlog/rancher-api-audit.log AuditLogMaxage:10 AuditLogMaxsize:100 AuditLogMaxbackup:10 AuditLevel:0}
2020/11/17 03:01:13 [INFO] Listening on /tmp/log.sock
2020/11/17 03:01:13 [INFO] Running etcd --data-dir=management-state/etcd
2020-11-17 03:01:13.675696 W | pkg/flags: unrecognized environment variable ETCD_UNSUPPORTED_ARCH=amd64
2020-11-17 03:01:13.675770 I | etcdmain: etcd Version: 3.2.13
2020-11-17 03:01:13.675889 I | etcdmain: Git SHA: Not provided (use ./build instead of go build)
2020-11-17 03:01:13.675919 I | etcdmain: Go Version: go1.12.9
2020-11-17 03:01:13.675961 I | etcdmain: Go OS/Arch: linux/amd64
2020-11-17 03:01:13.676023 I | etcdmain: setting maximum number of CPUs to 4, total number of available CPUs is 4
2020-11-17 03:01:13.676494 N | etcdmain: the server is already initialized as member before, starting as etcd member…
2020-11-17 03:01:13.676756 I | embed: listening for peers on http://localhost:2380
2020-11-17 03:01:13.676939 I | embed: listening for client requests on localhost:2379
2020-11-17 03:01:14.679386 W | etcdserver: another etcd process is using “management-state/etcd/member/snap/db” and holds the file lock.
2020-11-17 03:01:14.679415 W | etcdserver: waiting for it to exit before starting…
2020-11-17 03:01:17.906535 I | etcdserver: recovered store from snapshot at index 46900550
2020-11-17 03:01:17.907789 I | mvcc: restore compact to 39291946
2020-11-17 03:01:18.371548 I | etcdserver: name = default
2020-11-17 03:01:18.371640 I | etcdserver: data dir = management-state/etcd
2020-11-17 03:01:18.371666 I | etcdserver: member dir = management-state/etcd/member
2020-11-17 03:01:18.371697 I | etcdserver: heartbeat = 100ms
2020-11-17 03:01:18.371720 I | etcdserver: election = 1000ms
2020-11-17 03:01:18.371749 I | etcdserver: snapshot count = 100000
2020-11-17 03:01:18.371795 I | etcdserver: advertise client URLs = http ://localhost:2379
2020-11-17 03:01:29.539493 I | etcdserver: restarting member 8e9e05c52164694d in cluster cdf818194e3a8c32 at commit index 46996199
2020-11-17 03:01:29.555179 I | raft: 8e9e05c52164694d became follower at term 24392
2020-11-17 03:01:29.557704 I | raft: newRaft 8e9e05c52164694d [peers: [8e9e05c52164694d], term: 24392, commit: 46996199, applied: 46900550, lastindex: 46996199, lastterm: 24392]
2020-11-17 03:01:29.577714 I | etcdserver/api: enabled capabilities for version 3.2
2020-11-17 03:01:29.578507 I | etcdserver/membership: added member 8e9e05c52164694d [http://localhost:2380] to cluster cdf818194e3a8c32 from store
2020-11-17 03:01:29.578543 I | etcdserver/membership: set the cluster version to 3.2 from store
2020-11-17 03:01:29.595059 I | mvcc: restore compact to 39291946
2020-11-17 03:01:34.126709 W | auth: simple token is not cryptographically signed
2020-11-17 03:01:34.138200 I | etcdserver: starting server… [version: 3.2.13, cluster version: 3.2]
2020-11-17 03:01:34.184092 I | raft: 8e9e05c52164694d is starting a new election at term 24392
2020-11-17 03:01:34.185206 I | raft: 8e9e05c52164694d became candidate at term 24393
2020-11-17 03:01:34.185987 I | raft: 8e9e05c52164694d received MsgVoteResp from 8e9e05c52164694d at term 24393
2020-11-17 03:01:34.186015 I | raft: 8e9e05c52164694d became leader at term 24393
2020-11-17 03:01:34.186024 I | raft: raft.node: 8e9e05c52164694d elected leader 8e9e05c52164694d at term 24393
fatal error: runtime: out of memory
