search for: 128g

.../html/xen-devel/2009-11/msg01277.html 32 bit domains eventually fail to boot with the following Xen complaint: xm create: Error: (4, ''Out of memory'', "panic: xc_dom_boot.c:159: xc_dom_boot_mem_init: can''t allocate low memory for domain") Booting with dom0_mem=128G, with enable-dom0-ballooning=yes and total_available_memory=128 set in xend''s configuration works as expected. 128GB of RAM is avalable 32bit guests and 128GB for 64 bit guests. I''m able to account for the RAM in the box by totaling 32bit domains + 64bit domains + free_memory as...

A few years ago, I vaguely recall some issue with RHEL needing a special license or something like that, if you had more than a certain amount of CPU's or a certain amount of RAM. Does Centos work fine for 2 CPU's, 16 cores, 32 threads, and 256 G of ram? Centos6 specifically.

...I noticed that one of my HVs started swapping aggressively and noticed that the two guests running on it use quite a bit more ram than I assigned to them. They respectively were assigned 124G and 60G with the idea that the 192G system then has 8G for other purposes. In top I see the VMs using about 128G and 64G which means there is nothing left for the system. This is on a CentOS 7 system. Any ideas what causes this or how I can calculate the actual maximum amount of RAM I can assign to the guests on a HV without overcommitting RAM? Regards, Dennis

Hi: I use libvirt manage virtual guest, When I start many virtual domain(my host 128G physical memory）, example, I start 100 guest, 1G per guest。sometime I will encounter "cannot allocate memory", "cannot set up guest memory \'pc.ram\'： cannot allocate memory". sometime encounter qemu process killed by system(oom), I want to know what minimal memory nee...

Hi: My libvirt is 3.4.0 and qemu is 2.9.0, My host has a big memory(128G), I run many guest on my host(80 guests), when I batch stop and start guests, some guest will crash, the qemu log is "qemu: qemu_thread_create: Resource temporarily unavailable". I search qemu code, I find qemu_thread_create just like pthread_create function. I search on internet, someon...

...low Execution halted or Error: C stack usage is too close to the limit Execution halted I tried to increase the stack size by changing: extern uintptr_t R_CStackLimit but my systems manager said that R by default uses all the memory available to it from the operating system. Our machine has 128G. I also use options(expressions = 100000) but I still get the above errors. Can anyone help? Im I trying to change the wrong thing or is there anything else I can do? Many thanks, Michy -- Michelle Simon Bioinformatics, MRC Mammalian Genetics Unit, Harwell, Oxon, ox11 0rd, U.K. E-mail: m....

Hi, Here is an interesting one - what can we do about this ? Great problem to have though, I just want a dom0 > 128G to start with :) - KB -- Karanbir Singh +44-207-0999389 | http://www.karan.org/ | twitter.com/kbsingh GnuPG Key : http://www.karan.org/publickey.asc

Hi all, I have a customer server with 32 cores, 128G ram i7960X. So nice box... Why is it that "all" I am really doing at the moment is copying things to an external SSD disk USB3 connected and the machine "freezes"... Why is that? clearly plenty of CPU RAM everything... I can see "blocking" to write data to the extern...

Dear all Recently, i did some work to test small files performance for gnfsv3 transport. Following is my scenario. #####environment##### ==2 cluster nodes(nodeA/nodeB)== each is equipped with E5-2650*2, 128G memory and 10GB*2 netcard nodeA: 10.254.3.77 10.128.3.77 nodeB: 10.254.3.78 10.128.3.78 ==2 stress nodes(clientA/clientB)== each is equipped with E5-2650*2, 128G memory and 10GB*2 netcard clientA: 10.254.3.75 clientB: 10.254.3.76 1) 10.254.3.* is for test segment, 10.128.3.* is for cluster inte...

...swapping aggressively and >> noticed that the two guests running on it use quite a bit more ram than >> I assigned to them. They respectively were assigned 124G and 60G with >> the idea that the 192G system then has 8G for other purposes. In top I >> see the VMs using about 128G and 64G which means there is nothing left >> for the system. This is on a CentOS 7 system. >> Any ideas what causes this or how I can calculate the actual maximum >> amount of RAM I can assign to the guests on a HV without overcommitting RAM? > > Well, this is an undecidabl...

...own in the v37 cover > letter. > Could you have a look at https://lkml.org/lkml/2018/8/27/29 . Thanks. OK, that's much better. The ~50% reducton with a 8G VM and a real workload is great, and it does what you expect when you put a lot more RAM in and see the 84% reduction on a guest with 128G RAM - 54s vs ~9s is a big win! (The migrate_set_speed is a bit high, since that's in bytes/s - but it's not important). That looks good, Thanks! Dave > Best, > Wei > -- Dr. David Alan Gilbert / dgilbert at redhat.com / Manchester, UK

...on Time: > Optimization v.s. Legacy = 2273ms v.s. 4502ms > --> ~50% reduction > 2) Linux Compilation Time: > Optimization v.s. Legacy = 8min42s v.s. 8min43s > --> no obvious difference > > 2.2 Guest setup: 128G RAM, 4 vCPU > 2.2.1 Idle guest live migration time > Optimization v.s. Legacy = 5294ms vs 41651ms > --> ~87% reduction > 2.2.2 Guest live migration with Linux compilation workload > 1) Live Migration Time: > Optimiza...

...on Time: > Optimization v.s. Legacy = 2273ms v.s. 4502ms > --> ~50% reduction > 2) Linux Compilation Time: > Optimization v.s. Legacy = 8min42s v.s. 8min43s > --> no obvious difference > > 2.2 Guest setup: 128G RAM, 4 vCPU > 2.2.1 Idle guest live migration time > Optimization v.s. Legacy = 5294ms vs 41651ms > --> ~87% reduction > 2.2.2 Guest live migration with Linux compilation workload > 1) Live Migration Time: > Optimiza...

....) Only starting to get into this one, so apologies if I''m light on detail, but... I have a shiny SSD I''m using to help make some VirtualBox stuff I''m doing go fast. I have a 240GB Intel 520 series jobbie. Nice. I chopped into a few slices - p0 (partition table), p1 128GB, p2 60gb. As part of my work, I have used it both as a RAW device (cxtxdxp1) and wrapped partition 1 with a virtualbox created VMDK linkage, and it works like a champ. :) Very happy with that. I then tried creating a new zpool using partition 2 of the disk (zpool create c2d0p2) and then carve...

hello list I have a network mounted home directory shared between all hosts on my network: [bluethundr at LCENT03:~]#df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 140G 4.4G 128G 4% / /dev/sda1 99M 35M 60M 37% /boot tmpfs 1.6G 0 1.6G 0% /dev/shm nas.summitnjhome.com:/mnt/nas 903G 265G 566G 32% /mnt/nas nas2.summitnjhome.com:/mnt/store 1.4T 187G 1.1T 15% /mnt/store nas2.summitnjhome....

...controllers, and 4 file servers. All are 4.2.10-Debian. Our file servers have been working fine until recently (on the 26th), when suddenly access to the \\users.store.example.com\user share (hostname p-cats) became extremely slow. Access to other shares on other machines is fine, and users is 128G total (smaller than other shares). The machine isn't under CPU/memory/IO/network strain, and accessing the file share via SCP/shell is fine. Most clients are Windows 7, and are using offline files. Eventually we gave up debugging, rsynced the share, pointed the DNS alias at p-bats (the mac...

On 04/09/2018 09:00 AM, llilulu wrote: > Hi: > I use libvirt manage virtual guest, When I start many virtual domain(my host 128G physical memory）, example, I start 100 guest, 1G per guest。sometime I will encounter "cannot allocate memory", "cannot set up guest memory \'pc.ram\'： cannot allocate memory". sometime encounter qemu process killed by system(oom), > I want to know what minimal memor...

Hi My qemu is 2.9.0, libvirt is 3.4.0. I start many guest in short time(128G pyhsical memory ,1G per guest, 90 guest), and then run memtest on guest system.memtest just occupy guest memory，so when run memtest, host will allocate memory for guest. I run memtest on all my guest, and some guest will encounter crash. qemu log has qemu_thread_create: Resource temporarily unavail...

...than a certain amount of > CPU's or a certain amount of RAM. > > Does Centos work fine for 2 CPU's, 16 cores, 32 threads, and 256 G of ram? > > Centos6 specifically. According to these, centos 6 and rhel 6 are limited to 16G of ram. But I currently have a rhel6 system with 128G, so ... Don't know what to think about that... https://wiki.centos.org/About/Product and https://access.redhat.com/articles/rhel-limits

On Mon, 5 Aug 2019 at 13:17, Jerry Geis <jerry.geis at gmail.com> wrote: > Hi all, > > I have a customer server with 32 cores, 128G ram i7960X. So nice box... > > Why is it that "all" I am really doing at the moment is copying things to > an external SSD disk USB3 connected and the machine "freezes"... Why is > that? > > You may have a motherboard which is routing a lot through a single USB...