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86 Commits

Author SHA1 Message Date
Mike Metral
2da0dbd6fd fix typo 2016-03-12 14:06:41 +00:00
Marek Grabowski
eb2f5153b3 Revert "Scheduler: replace system modeler with scheduler cache and do O(1) lookup for resource req" 2016-03-02 15:38:56 +01:00
k8s-merge-robot
e7d0f06c4a Merge pull request #21736 from resouer/check-register 
Auto commit by PR queue bot
 2016-03-01 02:21:56 -08:00
Hongchao Deng
f29a1d6c5c scheduler: Scheduler: replace system modeler with scheduler cache 
We're using the scheduler cache to do O(1) lookup for resource request
 2016-02-26 09:22:29 -08:00
Harry Zhang
636e982ecd Implement checking in predicates 2016-02-25 21:25:36 +08:00
harry
b90550de25 Implement check for priority 2016-02-23 11:59:32 +08:00
Vishnu kannan
2623fdde17 Improve the naming of fields in ContainerImage struct used in NodeStatus. 
Signed-off-by: Vishnu kannan <vishnuk@google.com>
 2016-02-16 15:45:22 -08:00
k8s-merge-robot
8a815b919d Merge pull request #21074 from mqliang/scheduler-ReplicaSet 
Auto commit by PR queue bot
 2016-02-16 01:48:33 -08:00
mqliang
0aab44a00d add ReplicaSet support in scheduler 2016-02-16 14:34:46 +08:00
derekwaynecarr
a03361bd84 Make default format right for nil values 2016-02-15 13:55:33 -05:00
David Oppenheimer
66368efad5 Comment out NodeAffinity.RequiredDuringSchedulingRequiredDuringExecution 
because it is not yet implemented.
 2016-02-14 17:46:13 -08:00
Hongchao Deng
1cf4540b5d priorities: move getNonzeroRequests() into util/ package 2016-02-10 08:35:00 -08:00
Hongchao Deng
9236e4a0b4 scheduler: change fit predicates and priority func as needed for optimization 2016-02-09 09:38:28 -08:00
k8s-merge-robot
8e56494ec5 Merge pull request #20140 from resouer/scheduler 
Auto commit by PR queue bot
 2016-02-05 20:08:31 -08:00
k8s-merge-robot
175d0c57f2 Merge pull request #19880 from DirectXMan12/feature/limit-ebs-scheduler-predicate 
Auto commit by PR queue bot
 2016-02-05 09:26:42 -08:00
Kevin
c8c82c1d8f implement Node affinity and NodeSelector 2016-02-04 01:53:14 +00:00
harry
233a601130 Caculate priorities based on image locality 
Add test for image score

Update generated docs
 2016-02-03 21:01:26 +08:00
Solly Ross
2d436ff080 Scheduler predicate for capping node volume count 
For certain volume types (e.g. AWS EBS or GCE PD), a limitted
number of such volumes can be attached to a given node.  This commit
introduces a predicate with allows cluster admins to cap
the maximum number of volumes matching a particular type attached to a
given node.

The volume type is configurable by passing a pair of filter functions,
and the maximum number of such volumes is configurable to allow node
admins to reserve a certain number of volumes for system use.

By default, the predicate is exposed as MaxEBSVolumeCount and
MaxGCEPDVolumeCount (for AWS ElasticBlocKStore and GCE PersistentDisk
volumes, respectively), each of which can be configured using the
`KUBE_MAX_PD_VOLS` environment variable.

Fixes #7835
 2016-02-02 16:21:42 -05:00
k8s-merge-robot
feb4b4857c Merge pull request #19890 from vishh/0-nodes 
Auto commit by PR queue bot
 2016-02-01 14:09:06 -08:00
Hongchao Deng
8e1bfad490 insufficient resource error: details of failure in failedPredicateMap 2016-01-21 21:49:00 -08:00
Alex Mohr
76f02d562a Merge pull request #19083 from resouer/allocatable 
Use Allocatable to replace Capacity
 2016-01-21 16:05:05 -08:00
Alex Mohr
fd9310fa6e Merge pull request #18452 from xiang90/refactor_nodiskconflicts 
scheduler: clean up NoDiskConflict code in predicates.go
 2016-01-21 10:58:41 -08:00
Vishnu kannan
21748701f1 Avoid nodes that have 0 cpu and memory capacity. 
Signed-off-by: Vishnu kannan <vishnuk@google.com>
 2016-01-20 15:34:58 -08:00
Harry Zhang
0202a206b8 Integration test to verify alloc works 
Add integration test to verify allocatable can works
 2016-01-20 15:36:19 +08:00
harry
e64fe82245 Use Allocatable to replace Capacity 
Use allocate instead in priorities
 2016-01-18 15:26:40 +08:00
k8s-merge-robot
98b190acf4 Merge pull request #19527 from hongchaodeng/pred 
Auto commit by PR queue bot
 2016-01-17 03:52:16 -08:00
Hongchao Deng
111b603c95 Remove FailedResourceType and return custom error 2016-01-12 08:41:30 -08:00
Saad Ali
9b415f0300 Revert "Remove FailedResourceType and return custom error" 2016-01-11 11:27:50 -08:00
Hongchao Deng
91fa5f8c88 PodFitsHostPorts: small refactor and speedup 2016-01-09 20:03:52 -08:00
Hongchao Deng
40e5e688cc Remove FailedResourceType and return custom error 2016-01-07 13:47:23 -08:00
Justin Santa Barbara
f9a6ac077e Ubernetes Lite: Volumes can dictate zone scheduling 
For AWS EBS, a volume can only be attached to a node in the same AZ.
The scheduler must therefore detect if a volume is being attached to a
pod, and ensure that the pod is scheduled on a node in the same AZ as
the volume.

So that the scheduler need not query the cloud provider every time, and
to support decoupled operation (e.g. bare metal) we tag the volume with
our placement labels.  This is done automatically by means of an
admission controller on AWS when a PersistentVolume is created backed by
an EBS volume.

Support for tagging GCE PVs will follow.

Pods that specify a volume directly (i.e. without using a
PersistentVolumeClaim) will not currently be scheduled correctly (i.e.
they will be scheduled without zone-awareness).
 2015-12-31 12:27:01 -05:00
Xiang Li
a0e6d68026 scheduler: fast check when there is no conflicts 2015-12-22 15:39:17 -08:00
mqliang
e58eae313e move filter logic to list&watch client 2015-12-22 19:32:18 +08:00
David Oppenheimer
7851d24d04 Merge pull request #18466 from xiang90/pod_fits 
scheduler: clean up PodFitsResources
 2015-12-18 22:11:05 -08:00
Brendan Burns
0ee0e16bcd Don't recreate the same map 3 times 2015-12-16 20:39:28 -08:00
Justin Santa Barbara
cd433c974f Zone-scheduler: Fixes per code-review 2015-12-13 20:34:01 -05:00
Justin Santa Barbara
6aa16c744b When scheduling, spread between zones if labeled 
We already spread across nodes; we modify this spreading preference to
spread across zones when nodes are labeled with zone information.
 2015-12-13 20:34:01 -05:00
Xiang Li
d8c6e6dc4e scheduler: clean up PodFitsResources 2015-12-09 13:24:54 -08:00
Xiang Li
d2dfb4906f scheduler: clean up NoDiskConflict code in predicates.go 2015-12-09 11:19:57 -08:00
jiangyaoguo
f4c5d00b0c Implement a cachedNodeInfo in predicates 2015-11-27 21:49:14 +08:00
Ravi Gadde
cadc24e9fd Scheduler extension 2015-11-25 08:19:27 -08:00
Aaron Crickenberger
fad1968023 Adjust V level for scheduler messages 
The "Combined requested resources" message becomes excessive as
the cluster fills up, drop it down to V(2)

Put an explicit V(2) on the only other scheduler Infof call that didn't
have V specified already.
 2015-11-19 15:12:13 -05:00
k8s-merge-robot
986dd3ea49 Merge pull request #15956 from rootfs/no-disk-conflict 
Auto commit by PR queue bot
 2015-11-12 01:27:39 -08:00
Huamin Chen
bcbdd44267 rbd NoDiskConflict predicate: review feedback 
Signed-off-by: Huamin Chen <hchen@redhat.com>
 2015-11-02 10:18:39 -05:00
Huamin Chen
1ec9829ddf replace variable manifest to podSpec to make names unconfusing; update NoDiskConflicts comments 
Signed-off-by: Huamin Chen <hchen@redhat.com>
 2015-10-22 15:39:40 -04:00
Huamin Chen
bd10664851 rbd: support NoDiskConflicts scheduler predicates 
Signed-off-by: Huamin Chen <hchen@redhat.com>
 2015-10-20 14:33:45 -04:00
Daniel Smith
7372e18e02 NO BIG MESSAGES IN N^2 LOGGING 2015-10-19 15:00:41 -07:00
David Oppenheimer
b9cfab87e3 Merge pull request #14724 from HaiyangDING/PodFitsHostPorts 
Replace PodFitsPorts with PodFitsHostPorts
 2015-10-03 12:45:35 -07:00
HaiyangDING
6e11cd6028 Replace PodFitsPorts with PodFitsHostPorts 2015-09-30 15:14:59 +08:00
Piotr Szczesniak
659de4d7d0 Improved logging in scheduler 2015-09-29 15:46:22 +02:00