From: "Massimo S." 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__TO_NAME 0.000000, __TO_NAME_DIFF_FROM_ACC 0.000000, __TO_REAL_NAMES 0.000000, __URI_ENDS_IN_SLASH 0.000000, __URI_HAS_HYPHEN_USC 0.000000, __URI_IN_BODY 0.000000, __URI_MAILTO 0.000000, __URI_NOT_IMG 0.000000, __URI_NS 0.000000, __URI_WITH_PATH 0.000000, __USER_AGENT 0.000000 X-SASI-Probability: 10% X-SASI-RCODE: 200 X-SASI-Version: Antispam-Engine: 5.1.4, AntispamData: 2024.11.7.75416 Received: from [192.168.10.199] (dtp [192.168.10.199]) by srv2 (Weasel v2.9-0001 ) for ; Thu, 07 Nov 2024 09:32:38 -0000 Reply-To: ml@ecomstation.it Subject: Re: [eCS-ISP] ClamAV (0.103.10) perfomances To: eCS ISP Mailing List References: Organization: Massimo S. Message-ID: Date: Thu, 7 Nov 2024 09:34:06 +0100 User-Agent: Mozilla/5.0 (OS/2; U; Warp 4.5; it-IT; rv:1.7.13) Gecko/20060424 Thunderbird/1.0.8 Mnenhy/0.7.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=iso-8859-15; format=flowed Content-Language: it-IT Content-Transfer-Encoding: 7bit Il 07/11/2024 01:24, Steven Levine ha scritto: > In , on 11/06/24 > at 11:44 AM, "Massimo S." said: > > Hi Massimo, > > > In addition to the link Doug posted, you need to review > > https://www.arcanoae.com/wiki/arcaos/installation-planning/virtual-machine-configuration/oracle-vm-virtualbox/ > >> BASEDEV=DANIS506.ADD /!BIOS >> BASEDEV=OS2AHCI.ADD > > As the link notes, you want to configure the VM for an IDE controller and > use DANIS506 only. > > While AHCI and NVME are faster on real hardware, this is not the case in a > VM. > >> do clamscan benefit of multi-core environment (6 cores)? > > Probably not in a VM. You need to test this on your setup. > >> storage setup on the vbox is IDE IHC6 > > You probably should to REM out the > > BASEDEV=OS2AHCI.ADD > > since it's not getting loaded. > > Steven that doc is strange, i use my VMs (except one) with more than one CPU and they work correctly i've never seen guest OS lockup, never had data loss, etc. running with just one core maybe is useful only for TEST VMs or something very small, eg. like my secondary mta+dns or for a small webserver (eg 10 or 15 html/js websites, no more) with more core there are speed improvements the guests OS eCS2.2b and one AOS see multiple CPU cores correctly maybe this issues are due to linux as host here i use Windows Server 2022 and 2019 as host OSs HW are Supermicro Intel Xeon motherboards one with 10 phisical cores and the other with 4 cores i've also seen that putting VM containers on 4th generation NVME storage improves perfomances *a lot* i use a single NVME for every VM, so I/O are at the best instead the "base" storage is done with Samsung SSDs (in RAID1) with Virtual Box the only virtualization issue i had in the past was the guru meditation of the webserver VM, but that was due to an high load (apache+php+mysql with a number of websites, even WordPress sh$t) now websites are less and mysql is on another VM and guru meditations have completely disappeared about tcp/ip performances my VMs are faster than when i had the first server on bare metal (until april 2024), anwyay the /2 ip stack, we know, is not the best in performances.. massimo