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k8s-merge-robot 77de942e08 Merge pull request #26451 from Random-Liu/cache_image_history 
Automatic merge from submit-queue

Kubelet: Cache image history to eliminate the performance regression

Fix https://github.com/kubernetes/kubernetes/issues/25057.

The image history operation takes almost 50% of cpu usage in kubelet performance test. We should cache image history instead of getting it from runtime everytime.

This PR cached image history in imageStatsProvider and added unit test.

@yujuhong @vishh 
/cc @kubernetes/sig-node 

Mark v1.3 because this is a relatively significant performance regression.

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2016-05-29 20:49:01 -07:00
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admission
make admission plugins configurable based on external criteria
2016-05-26 09:12:17 -04:00
api
Merge pull request #25678 from rajdeepd/branch1
2016-05-29 04:53:06 -07:00
apimachinery
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apis
add gc and its enablement flag to kube-controller-manager
2016-05-28 14:12:33 -07:00
apiserver
Merge pull request #26085 from smarterclayton/delay_flush
2016-05-28 11:53:51 -07:00
auth
Add an 'authenticated user' metric to the RequestAuthenticator.
2016-05-19 16:04:11 -07:00
capabilities
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client
Merge pull request #26169 from victorgp/master
2016-05-29 13:24:46 -07:00
cloudprovider
Merge pull request #26020 from quinton-hoole/2016-05-21-google-cloud-dns
2016-05-28 07:55:21 -07:00
controller
Merge pull request #26415 from wojtek-t/network_not_ready
2016-05-29 03:06:59 -07:00
conversion
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credentialprovider
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dns
added dns-port flag to have a custom DNS port for skydns to serve DNS requests on. updated imports
2016-05-23 14:54:00 -07:00
fieldpath
Downward API implementation for resources limits and requests
2016-05-24 12:22:35 -04:00
fields
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genericapiserver
Merge pull request #26169 from victorgp/master
2016-05-29 13:24:46 -07:00
healthz
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httplog
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hyperkube
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kubectl
Merge pull request #26349 from kargakis/fix-reaper-not-found-error
2016-05-29 17:29:30 -07:00
kubelet
Merge pull request #26451 from Random-Liu/cache_image_history
2016-05-29 20:49:01 -07:00
kubemark
Added pods-per-core to kubelet. #25762
2016-05-27 07:10:13 -04:00
labels
Make IsValidLabelValue return error strings
2016-05-17 21:36:10 -07:00
master
pkg/master: enable certificates API and add rbac authorizer
2016-05-25 14:24:47 -07:00
metrics
Add an 'authenticated user' metric to the RequestAuthenticator.
2016-05-19 16:04:11 -07:00
probe
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proxy
add hostport support for kubenet
2016-05-22 22:18:58 -07:00
quota
Update use of Quantity in other classes
2016-05-19 08:41:43 -04:00
registry
Merge pull request #26007 from smarterclayton/watch_opt
2016-05-28 06:27:00 -07:00
runtime
Merge pull request #26018 from gyuho/slice_append
2016-05-29 07:20:50 -07:00
security
Adding volume plugin to api/v1 and updating auto-generated files
2016-05-21 12:53:03 -07:00
securitycontext
Merge pull request #24909 from pmorie/security-context-loc
2016-05-27 10:27:55 -07:00
serviceaccount
Make name validators return string slices
2016-05-18 00:48:01 -07:00
ssh
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storage
Merge pull request #26386 from janetkuo/etcd-test-flake
2016-05-27 05:49:51 -07:00
types
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ui
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util
Merge pull request #26418 from AdoHe/kubectl_env
2016-05-29 18:18:14 -07:00
version
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volume
Merge pull request #25989 from jingxu97/bug-tmpdir
2016-05-29 06:32:36 -07:00
watch
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OWNERS
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