Re: [CentOS-virt] Nested KVM issue

2016-08-17 Thread Laurentiu Soica
Enabled the logging on both compute and baremetal. Nothing strange in logs: on baremetal : Wed Aug 17 11:51:01 EEST 2016: committed 62310764 free 58501808 Wed Aug 17 11:51:01 EEST 2016: 87025667 < 123574516 and free > 24714903, stop ksm on compute: Wed Aug 17 08:52:52 UTC 2016: committed 24547132

Re: [CentOS-virt] Nested KVM issue

2016-08-17 Thread Boris Derzhavets
It sounds weird, but attempt to disable KSM and see would it help or no ? From: centos-virt-boun...@centos.org on behalf of Laurentiu Soica Sent: Wednesday, August 17, 2016 4:56 AM To: Discussion about the virtualization on CentOS Subject: Re: [CentOS-virt] Nes

Re: [CentOS-virt] Nested KVM issue

2016-08-17 Thread Laurentiu Soica
Both baremetal and compute ? Are there any other metrics do you consider useful to collect for troubleshooting purposes ? În mie., 17 aug. 2016 la 13:04, Boris Derzhavets a scris: > It sounds weird, but attempt to disable KSM and see would it help or no ? > > > -- > *F

Re: [CentOS-virt] Nested KVM issue

2016-08-17 Thread Boris Derzhavets
For myself KSM is unpredictable feature. The problem is Compute, just this node does "copy on write" , so only Compute. My concern exactly is where would it lead to worse or better Guest behavior ? I am not expecting complete fix. I would track via top/htop and dmesg via Cron on 1-2 hr perio