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    CPU Spikes in a Hyper-V VM

    Scheduled Pinned Locked Moved IT Discussion
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    • scottalanmillerS
      scottalanmiller
      last edited by

      Is that a Sybase DB running? That is a lot of CPU there.

      garak0410G 1 Reply Last reply Reply Quote 0
      • scottalanmillerS
        scottalanmiller
        last edited by

        How many vCPU do you have assigned?

        1 Reply Last reply Reply Quote 0
        • Bill KindleB
          Bill Kindle
          last edited by

          Are you doing full scans or targeted scans? Do you have any files/folders in the exclusion list?

          garak0410G 1 Reply Last reply Reply Quote 0
          • garak0410G
            garak0410 @scottalanmiller
            last edited by

            @scottalanmiller said:

            Is that a Sybase DB running? That is a lot of CPU there.

            That is the DB for Symantec SEP...again, currently not running...

            It just happened again now:

            cpu03.jpg

            We are running 2 virtual processors.

            1 Reply Last reply Reply Quote 0
            • garak0410G
              garak0410 @Bill Kindle
              last edited by

              @Bill-Kindle said:

              Are you doing full scans or targeted scans? Do you have any files/folders in the exclusion list?

              Currently, Anti-Virus services are off. Going to check the settings again tonight when I turn it back on after hours...

              1 Reply Last reply Reply Quote 0
              • garak0410G
                garak0410
                last edited by

                Should I give it 4 CPU's? Is that not excessive for just a file server, albeit heavily used one?

                scottalanmillerS 1 Reply Last reply Reply Quote 0
                • PSX_DefectorP
                  PSX_Defector
                  last edited by

                  You should be giving less vCPUs, not more.

                  garak0410G 1 Reply Last reply Reply Quote 0
                  • garak0410G
                    garak0410 @PSX_Defector
                    last edited by

                    @PSX_Defector said:

                    You should be giving less vCPUs, not more.

                    So perhaps try one tonight?

                    scottalanmillerS 1 Reply Last reply Reply Quote 0
                    • scottalanmillerS
                      scottalanmiller @garak0410
                      last edited by

                      @garak0410 said:

                      Should I give it 4 CPU's? Is that not excessive for just a file server, albeit heavily used one?

                      Not likely. But it depends on many factors.

                      1 Reply Last reply Reply Quote 0
                      • scottalanmillerS
                        scottalanmiller @garak0410
                        last edited by

                        @garak0410 said:

                        @PSX_Defector said:

                        You should be giving less vCPUs, not more.

                        So perhaps try one tonight?

                        Very un

                        @garak0410 said:

                        @PSX_Defector said:

                        You should be giving less vCPUs, not more.

                        So perhaps try one tonight?

                        very unlikely to be the culprit but doesn't hurt to try.

                        garak0410G 1 Reply Last reply Reply Quote 0
                        • scottalanmillerS
                          scottalanmiller
                          last edited by

                          Weird posting thing there.

                          1 Reply Last reply Reply Quote 0
                          • garak0410G
                            garak0410 @scottalanmiller
                            last edited by

                            @scottalanmiller said:

                            @garak0410 said:

                            @PSX_Defector said:

                            You should be giving less vCPUs, not more.

                            So perhaps try one tonight?

                            @garak0410 said:

                            @PSX_Defector said:

                            You should be giving less vCPUs, not more.

                            So perhaps try one tonight?

                            very unlikely to be the culprit but doesn't hurt to try.

                            Got to try something...because I am taking 1/2 day off tomorrow...LOL. Will try tonight...

                            1 Reply Last reply Reply Quote 0
                            • scottalanmillerS
                              scottalanmiller
                              last edited by

                              Important to consider that malware is a possibility. Do a scan with some third party scanners to improve confidence. Such a new system, unlikely to be infected but you never know.

                              1 Reply Last reply Reply Quote 0
                              • NaraN
                                Nara
                                last edited by

                                If you bring up performance monitor, what files are being written/read? Even if the disk activity is relatively low, it gives you an idea of what the process is doing by the files it's interacting with.

                                garak0410G 1 Reply Last reply Reply Quote 1
                                • garak0410G
                                  garak0410
                                  last edited by

                                  It had no malware.

                                  So, powered it off and took away a virtual CPU.

                                  It took forever and a day to boot up and even when I finally got a login screen, it takes forever to get its services started (Welcome, Policy Registration, Local Session Manager takes forever to come up). Then a black screen for a good while and finally the desktop. And waiting and waitng for it to let me input. Server Manager creeps to a start. The right click I did on the task bar so I could get the task manager took over a minute to give me the context menu...finally got task manger up and for sure, back to 99% CPU with Symantec and Service Host taking most of it.

                                  This is terrible It has to be some kind of VM setting wrong. But it wasn't this bad yesterday.

                                  I am about to bring up resource monitor but it is taking forever as well...

                                  1 Reply Last reply Reply Quote 0
                                  • garak0410G
                                    garak0410 @Nara
                                    last edited by

                                    @Nara said:

                                    If you bring up performance monitor, what files are being written/read? Even if the disk activity is relatively low, it gives you an idea of what the process is doing by the files it's interacting with.

                                    resourceMonitor01.jpg

                                    1 Reply Last reply Reply Quote 0
                                    • NaraN
                                      Nara
                                      last edited by

                                      Expand the middle row and sort by total.

                                      1 Reply Last reply Reply Quote 0
                                      • scottalanmillerS
                                        scottalanmiller
                                        last edited by

                                        THis is at night with no one using it?

                                        garak0410G 1 Reply Last reply Reply Quote 0
                                        • NaraN
                                          Nara
                                          last edited by

                                          And what is SDtray?

                                          1 Reply Last reply Reply Quote 0
                                          • garak0410G
                                            garak0410 @scottalanmiller
                                            last edited by

                                            @scottalanmiller said:

                                            THis is at night with no one using it?

                                            Yes... Right now, I am attempting to reboot the host...but the file server VM is not shutting down well. 😞

                                            1 Reply Last reply Reply Quote 0
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