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Recent questions tagged scheduler

0 votes
21 responses 206 views

Hello everyone, We're experiencing issues with running large instances (~60GB RAM) on fairly large NUMA nodes (4 CPUs, 256GB RAM) while using cpu pinning. The problem is that it seems that in some extreme cases qemu/KVM can have significant ...

asked Sep 28, 2017 in openstack-dev by Jakub_Jursa (280 points)   1 1
0 votes
13 responses 18 views

Hi folks, First of all, thanks for the audiences for Mogan project update in the TC room during Denver PTG. Here we would like to get more suggestions before we apply for inclusion. Speaking only for myself, I find the current direction of ...

asked Sep 28, 2017 in openstack-dev by Zhenguo_Niu (2,400 points)   1 4
2 x  
0 votes
6 responses 23 views

There is a desire to expose the vGPUs resources on top of Resource Provider which is probably the path we should be going in the long term. I was not there for the last PTG and you probably already made a decision about moving in that ...

asked Sep 27, 2017 in openstack-dev by Sahid_Orentino_Ferdj (1,020 points)   1
0 votes
0 responses 36 views

Any request to the nova.api service at 8774 results in a error in "/var/log/nova/nova-api.log". A simple get request, GET /v2.1/os-hypervisors/detail HTTP/1.1 Host: User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; ...

asked Sep 26, 2017 in openstack-community by Avery_Rozar (200 points)  
0 votes
16 responses 12 views

The gate-tempest-dsvm-neutron-full-ubuntu-xenial job is 20..30 min slower than it supposed to be/used to be. The extra time has multiple reasons and it is not because we test more :( . Usually we are just less smart than before. Huge time ...

asked Sep 26, 2017 in openstack-dev by Attila_Fazekas (2,680 points)   4 6
3 x  
0 votes
11 responses 39 views

Hello all, We have a number of old stable/* branches hanging around and I'd like to mark anything <= stable/mitaka as EOL. I've highlighted a few projects on the subject line: QA: Are the older branches of grenade safe to go? IIUC we don't ...

asked Sep 24, 2017 in openstack-dev by Tony_Breeds (19,660 points)   3 6 10
6 x  
0 votes
20 responses 7 views

Hi all, I'm from Mogan team, we copied some codes/frameworks from Nova since we want to be a Nova with a bare metal specific API. About why reinventing the wheel, you can find more informations here [1]. I would like to know what's the ...

asked Sep 22, 2017 in openstack-dev by Zhenguo_Niu (2,400 points)   1 4
4 x  
0 votes
0 responses 12 views

Update 35, after a hiatus for travel and the PTG, is playing catchup. # Most Important There was a great deal of discussion about many placement things at the PTG, some near term, some very long term. The most important stuff was that we ...

asked Sep 22, 2017 in openstack-dev by cdent_plus_os_at_ant (12,800 points)   2 2 4
0 votes
3 responses 688 views

I had HA setup for placement api to work on high availability enviornment by using HAproxy on three controller nodes vim /etc/haproxy/haproxy.cfg listen nova_placement_cluster bind http-request del-header X-Forwarded-Proto ...

asked Sep 22, 2017 in openstack by 谭_明宵 (200 points)   1 1 1
0 votes
17 responses 25 views

Hi all, The below was suggested for a Forum session but we don't yet have a submission or name to chair/moderate. I, for one, would certainly be interested in providing input. Do we have any owners out there? Resource reservation ...

asked Sep 21, 2017 in openstack-operators by blair.bethwaite_at_m (460 points)   1
0 votes
5 responses 8 views

It's a weird question, so I'll explain. An issue came up in IRC today where someone was trying to live migrate an instance to a specified host, and the RetryFilter in the scheduler was kicking out the specified host, even though other ...

asked Sep 20, 2017 in openstack-dev by mriedemos_at_gmail.c (15,720 points)   2 4 7
0 votes
9 responses 153 views

Hello everyone and thanks in advance. I have Openstack Pike (KVM,FC-SAN/Cinder) installed in our lab for testing before upgrade and am seeing a possible issue with disabling a host and live migrating the instances off via the horizon ...

asked Sep 20, 2017 in openstack by Steve_Searles (480 points)   3 3
0 votes
2 responses 19 views

There was a whole lot of other stuff discussed at the PTG. The details are in [1]. I won't go into everything here, so I'm just highlighting some of the more concrete items that had owners or TODOs. Ironic ------ The Ironic team came over ...

asked Sep 18, 2017 in openstack-dev by mriedemos_at_gmail.c (15,720 points)   2 4 7
0 votes
0 responses 15 views

Placement related items came up a lot at the Queens PTG. Some on Tuesday [1], some on Wednesday [2], some on Thursday [3] and some on Friday [4]. Priorities for Queens --------------------- The priorities for placement/scheduler related ...

asked Sep 18, 2017 in openstack-dev by mriedemos_at_gmail.c (15,720 points)   2 4 7
0 votes
0 responses 15 views

The full etherpad for cells discussions at the PTG is here [1]. We mostly talked about the limitations with multiple cells identified in Pike [2] and priorities. Top priorities for cells in Queens ---------------------------------- * ...

asked Sep 16, 2017 in openstack-dev by mriedemos_at_gmail.c (15,720 points)   2 4 7
0 votes
6 responses 12 views

Forgot to copy the ops list on my reply. -------- Forwarded Message -------- Subject: Re: [openstack-dev] [nova][ironic] Concerns over rigid resource class-only ironic scheduling Date: Thu, 7 Sep 2017 14:57:24 -0500 From: Matt Riedemann To: ...

asked Sep 14, 2017 in openstack-operators by mriedemos_at_gmail.c (15,720 points)   2 4 7
0 votes
5 responses 51 views

For example, I have SR-IOV PF with four ports (P_i), two of them are connected to one switch (SW_1) and other two to another (SW_2). I would like to get VFs from distinct ports connected to distinct switches (more details can be found in ...

asked Sep 13, 2017 in openstack-dev by Andrey_Volkov (540 points)   1
0 votes
8 responses 8 views

Hi everyone, I'm interested in set up a white boarding session at the ptg to discuss How to model network backend in placement and use that info as part of scheduling This work would also intersect on the nova neutron port binding ...

asked Sep 12, 2017 in openstack-dev by Mooney,_Sean_K (3,580 points)   3 9
0 votes
9 responses 73 views

Dear all, I have a compute node with 64GB ram. And I set 50 hugepages wiht 1GB hugepage size. I used command "free", it shows free memory is about 12GB. And free hugepages is 50. Then I launch an instance with 16GB memory, set flavor tag : ...

asked Sep 8, 2017 in openstack by Weichih_Lu (160 points)   1
0 votes
4 responses 19 views

Will it be possible to include network bandwidth as a resource in Nova scheduling, for VM placement decision? Context: in telecommunication applications, the network traffic is an important dimension of resource usage. For example, it is ...

asked Sep 5, 2017 in openstack-dev by Rua,_Philippe_(Nokia (120 points)