wallnerryan

Storage in Kubernetes

PersistentVolume (PV)

• storage resource provisioned by admin.

PersistentVolumeClaim (PVC)

• user request for persistent volume.

wallnerryan

[root@ip-10-0-91-35 ec2-user]# yum install https://s3.amazonaws.com/clusterhq-archive/centos/clusterhq-release.el7.centos.noarch.rpm
Loaded plugins: amazon-id, rhui-lb, search-disabled-repos
clusterhq-release.el7.centos.noarch.rpm                  | 3.1 kB     00:00
Examining /var/tmp/yum-root-nwiRBj/clusterhq-release.el7.centos.noarch.rpm: clusterhq-release-1-7.el7.centos.noarch
Marking /var/tmp/yum-root-nwiRBj/clusterhq-release.el7.centos.noarch.rpm to be installed
Resolving Dependencies
--> Running transaction check
---> Package clusterhq-release.noarch 0:1-7.el7.centos will be installed
--> Finished Dependency Resolution

wallnerryan

import re, urllib
from bs4 import BeautifulSoup

myurl = "https://github.com/emccode/rexray"
html = urllib.urlopen(myurl).read()
soup = BeautifulSoup(html, 'html.parser')

file = open("github.analysis", "w")
file.write(myurl+"\n")
for sibling in soup.findAll("a", { "class" : "social-count" }):

wallnerryan

apiVersion: v1
kind: Service
metadata:
  name: flocker-ghost
  labels:
    app: flocker-ghost
spec:
  ports:
    # the port that this service should serve on
  - port: 80

wallnerryan

apiVersion: v1
kind: Service
metadata:
  name: flocker-web
  labels:
    app: flocker-web
spec:
  ports:
    # the port that this service should serve on
  - port: 80

wallnerryan

apiVersion: v1
kind: Pod
metadata:
  name: flocker-ghost-demo
spec:
  containers:
    - name: ghost-demo
      image:  ghost:0.7.1
      ports:
        - name: ghostport

wallnerryan

apiVersion: v1
kind: Pod
metadata:
  name: flocker-web
spec:
  containers:
    - name: web
      image: nginx
      ports:
        - name: web

wallnerryan

[seq-read-4k]
rw=read
size=1G
bs=4k
numjobs=8
time_based
runtime=120
group_reporting
write_bw_log=seq-read
write_iops_log=seq-read

wallnerryan

[global]
direct=1
rw=randread
size=1G
numjobs=16
norandommap
time_based
runtime=180

[test-randread-1G]

wallnerryan

[global]
direct=1
ioengine=libaio
rw=randread
size=1G
numjobs=1
time_based
runtime=360
group_reporting
stonewall