What are POD types in C++? - Stack Overflow
2020年4月19日 · int, char, wchar_t, bool, float, double are PODs, as are long/short and signed/unsigned versions of them. a const or volatile POD is a POD. a class, struct or union of PODs is a POD provided that all non-static data members are public, and it has no base class and no constructors, destructors, or virtual methods.
Default and value initialization of POD types in C++
2023年3月30日 · Objects of POD types (3.9) with static storage duration initialized with constant expressions (5.19) shall be initialized before any dynamic initialization takes place. So it's guaranteed by standard that POD types with static storage duration (whatever their scope is) will be zero-initialized.
How can I determine the current ephemeral-storage usage of a …
However, to set good requests and limits on ephemeral storage, I need to know what this value actually is for a running pod, which I can't figure out. I can get CPU and memory usage using kubectl top pod, but, from what I can tell, ephemeral storage usage is only actually calculated when making an actual eviction decision.
How to mount a persistent volume on a Deployment/Pod using ...
2020年3月4日 · apiVersion: v1 kind: PersistentVolume metadata: name: task-pv-volume labels: type: local spec: storageClassName: manual capacity: storage: 2Gi accessModes: - ReadWriteOnce hostPath: path: "/mnt/data" The hostPath variable will mount this data in the current pod node.
c++ non-POD warning for passing a string? - Stack Overflow
2013年6月9日 · The explanation is quite simple: only PODs (Plain Old Data structures) can be passed as an argument to a variadic function (not a variadic function template though, just a simple variadic function using the ellipses). std::string is not a POD, but you can do: printf("%s% 38s\n", "Filename:", filename.c_str()); // ^^^^^^^^.
How to store my pod logs in a persistent storage?
2020年8月19日 · Use a node-level logging agent that runs on every node. Include a dedicated sidecar container for logging in an application pod. Push logs directly to a backend from within an application. There are many solutions for collecting pod logs and shipping them to a centralized location such as: fluentd. splunk.
Kubernetes ephemeral-storage of containers - Stack Overflow
2020年11月13日 · 4. Kubernetes has the concept of ephemeral-storage which can be applied by the deployment to a container like this: limits: cpu: 500m memory: 512Mi ephemeral-storage: 100Mi requests: cpu: 50m memory: 256Mi ephemeral-storage: 50Mi. Now, when applying this to a k8s 1.18 cluster (IBM Cloud managed k8s), I cannot see any changes when I look at a ...
kubernetes - How to identify the storage space left in a persistent ...
2018年11月8日 · The persistent volume claim is bound to many deployments. I would like to identify the space left in the persistent Volume Claim in order to know if 1GB is sufficient for my application. I have used the command "kubectl get pv" but this does not show the storage space left. kubernetes. google-cloud-platform.
How to share storage between Kubernetes pods? - Stack Overflow
2015年7月29日 · Kubernetes doesn't have integrated functionality to share storage between hosts. There are several options below. But first how to share storage if you already have some volumes set up. To share a volume between multiple pods you'd need to create a PVC with access mode ReadWriteMany. kind: PersistentVolumeClaim.
in kubernetes, emptyDir.medium vs ephemeral storage - which …
2020年5月22日 · You can check the same by creating a deployment of busybox, exec into the pod and run df -h and then you can check you would get a tmpfs (RAM) FileSystem type. The default size of a RAM-based emptyDir is half the RAM of the node it runs on. With limits and requests please try and check what the size of disk comes out to be.