search for: donxe5p

Displaying 2 results from an estimated 2 matches for "donxe5p".

2020 Jun 15
1
very low performance of Xen guests
...fy, PVHVM is indeed enabled and active > I could not find a H21XM but found an HS21XM on the iBM My bad. The blades are indeed HS21 (Type 8853) and HS21 XM (Type 7995). The XM blades have 2*Xeon E5450 at 3GHz / 12GB L1 cache processors. The options I can fiddle with are https://imgur.com/a/DonXe5P AFAICS the setttings are reasonable but please do let me know if there is anything there that should not be as it is > site and that seemed to be a 4 core 8 thread cpu which looks 'old' > enough that the Spectre/etc fixes to improve performance after the > initial hit were no...
2020 Jun 14
4
very low performance of Xen guests
Hello ??? For the past months I've been testing upgrading my Xen hosts to CentOS 7 and I face an issue for which I need your help to solve. ??? The testing machines are IBM blades, model H21 and H21XM. Initial tests were performed on the H21 with 16 GB RAM; during the last 6=7 weeks I've been using the H21XM with 64 GB. In all cases the guests were fully updated CentOS 7 --