我将 GKE 集群从 1.13 更新到 1.15.9-gke.12。在此过程中,我从传统日志记录切换到 Stackdriver Kubernetes Engine Monitoring。现在我遇到了 stackdriver-metadata-agent-cluster-level
pod 不断重启的问题,因为它得到 OOMKilled
。
不过内存好像还好。
日志看起来也很好(与新创建的集群的日志相同):
I0305 08:32:33.436613 1 log_spam.go:42] Command line arguments:
I0305 08:32:33.436726 1 log_spam.go:44] argv[0]: '/k8s_metadata'
I0305 08:32:33.436753 1 log_spam.go:44] argv[1]: '-logtostderr'
I0305 08:32:33.436779 1 log_spam.go:44] argv[2]: '-v=1'
I0305 08:32:33.436818 1 log_spam.go:46] Process id 1
I0305 08:32:33.436859 1 log_spam.go:50] Current working directory /
I0305 08:32:33.436901 1 log_spam.go:52] Built on Jun 27 20:15:21 (1561666521)
at [email protected]:/google/src/files/255462966/depot/branches/gcm_k8s_metadata_release_branch/255450506.1/OVERLAY_READONLY/google3
as //cloud/monitoring/agents/k8s_metadata:k8s_metadata
with gc go1.12.5 for linux/amd64
from changelist 255462966 with baseline 255450506 in a mint client based on //depot/branches/gcm_k8s_metadata_release_branch/255450506.1/google3
Build label: gcm_k8s_metadata_20190627a_RC00
Build tool: Blaze, release blaze-2019.06.17-2 (mainline @253503028)
Build target: //cloud/monitoring/agents/k8s_metadata:k8s_metadata
I0305 08:32:33.437188 1 trace.go:784] Starting tracingd dapper tracing
I0305 08:32:33.437315 1 trace.go:898] Failed loading config; disabling tracing: open /export/hda3/trace_data/trace_config.proto: no such file or directory
W0305 08:32:33.536093 1 client_config.go:549] Neither --kubeconfig nor --master was specified. Using the inClusterConfig. This might not work.
I0305 08:32:33.936066 1 main.go:134] Initiating watch for { v1 nodes} resources
I0305 08:32:33.936169 1 main.go:134] Initiating watch for { v1 pods} resources
I0305 08:32:33.936231 1 main.go:134] Initiating watch for {batch v1beta1 cronjobs} resources
I0305 08:32:33.936297 1 main.go:134] Initiating watch for {apps v1 daemonsets} resources
I0305 08:32:33.936361 1 main.go:134] Initiating watch for {extensions v1beta1 daemonsets} resources
I0305 08:32:33.936420 1 main.go:134] Initiating watch for {apps v1 deployments} resources
I0305 08:32:33.936489 1 main.go:134] Initiating watch for {extensions v1beta1 deployments} resources
I0305 08:32:33.936552 1 main.go:134] Initiating watch for { v1 endpoints} resources
I0305 08:32:33.936627 1 main.go:134] Initiating watch for {extensions v1beta1 ingresses} resources
I0305 08:32:33.936698 1 main.go:134] Initiating watch for {batch v1 jobs} resources
I0305 08:32:33.936777 1 main.go:134] Initiating watch for { v1 namespaces} resources
I0305 08:32:33.936841 1 main.go:134] Initiating watch for {apps v1 replicasets} resources
I0305 08:32:33.936897 1 main.go:134] Initiating watch for {extensions v1beta1 replicasets} resources
I0305 08:32:33.936986 1 main.go:134] Initiating watch for { v1 replicationcontrollers} resources
I0305 08:32:33.937067 1 main.go:134] Initiating watch for { v1 services} resources
I0305 08:32:33.937135 1 main.go:134] Initiating watch for {apps v1 statefulsets} resources
I0305 08:32:33.937157 1 main.go:142] All resources are being watched, agent has started successfully
I0305 08:32:33.937168 1 main.go:145] No statusz port provided; not starting a server
I0305 08:32:37.134913 1 binarylog.go:95] Starting disk-based binary logging
I0305 08:32:37.134965 1 binarylog.go:265] rpc: flushed binary log to ""
我已经尝试禁用日志记录并重新启用它但没有成功。它一直在重新启动(或多或少每分钟)。
有人有同样的经历吗?
最佳答案
导致此问题的原因是 metadata-agent
部署上设置的 LIMIT 资源太少,因此 POD 被终止(OOM 终止),因为 POD 需要更多内存才能正常工作。
在修复此问题之前,有一个解决方法。
您可以使用以下命令覆盖 metadata-agent
的配置映射中的基本资源:kubectl edit cm -n kube-system metadata-agent-config
设置 baseMemory: 50Mi
应该就足够了,如果它不起作用,请使用更高的值 100Mi
或 200Mi
。
所以 metadata-agent-config
configmap 应该是这样的:
apiVersion: v1
data:
NannyConfiguration: |-
apiVersion: nannyconfig/v1alpha1
kind: NannyConfiguration
baseMemory: 50Mi
kind: ConfigMap
另请注意,您需要重新启动部署,因为不会自动获取配置映射:
kubectl delete deployment -n kube-system stackdriver-metadata-agent-cluster-level
有关更多详细信息,请查看 addon-resizer Documentation 。
关于logging - stackdriver-metadata-agent-cluster-level 得到 OOMKilled,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/60541105/