High CPU Process Troubleshooting
Introduction High CPU usage by the "System" process can often be caused by a hardware driver issue (bug, old version, incompatility etc). The System process loads (or hosts)…
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#Performance
Slow Performance VMware Workstation 17.0.x – Windows 10 / Windows 11
Noticed horrible performance using VMware Workstation 17 on my system. I was running Hyper-V side-by-side, so I decided to nuke Hyper-V and the subsystems from that. Removed the…
Website Performance Analysis and Graphing – Debian NodeJS + Puppeteer + Cacti
Looking to capture some performance metrics for website from the Linux command line and eventually get it into Cacti (RRD). Here are my scattered notes on this process.…
Improving Performance and Reliability of Windows Search
I usually hit Winkey and start typing whatever it is I’m looking to start; be it a command prompt, Outlook, explorer, or other installed applications and I rarely…
RDSH Fair Share (CPU, Disk, Network)
As IT professionals, we know that managing resources in multi-user environments is essential for ensuring a consistent and high-quality experience for all users. In Windows Server Remote Desktop…
Performance tuning iSCSI Round Robin policies in ESXi for Nimble storage
Here's an ESXi console script to loop through each Nimble eui.* adapter and set IOPS=0 and BYTES=0 (per Nimble recommendations). for x in `esxcli storage nmp device list…
IBM System X3850 Disable Processor Power Management
In order to work around the issue processor power management has to be disabled in system UEFI and vSphere Client. To change power policies using server UEFI settings:…
CPU-miner Installed via Windows OS Vulnerability
I have triaged a handful of Windows servers this week that started out being ticketed as high CPU / performance issues. Upon investigation, I have found XMR cryptocurrency…
VMware vSphere 6.5 Test Drive
This will be an evolving post as I document/note the installation process and some configuration and testing. I'm installing VMware vSphere 6.5 under my current virtualization platform to…
Remote WMI on Windows Server 2008 R2
Configure DCOM On the server to be managed click Start, click Run, type DCOMCNFG, and then click OK. In the Component Services dialog box, expand Component Services, expand…
Monitoring CPU Ready VMware Guest
CPU Ready value is cumulative between the number of vCPUs the VM is assigned. For example, a one vCPU VM has the measurement of 1000ms. For a VM…
Speed up Send/Receive in Outlook 2013 Synchronized Folders
Ran into a performance issue for an end-user today where the Send/Receive process was hanging on synchronizing subscribed folders. One method to help speed up this process was…
System and Compressed Memory
I was looking at my system’s performance (Windows 10 Build 10565) and noticed something I hadn’t seen before “System and compressed memory” utilizing about 500MB. Looking into this…
DNS Caching for Spamassassin RBLs
So I'm tweaking the mail filter server which is a Debian Linux server running Postfix, MailScanner and SpamAssassin. I just wanted to share some of the performance improvements…
Monitor System Performance in AIX
An easy way to get a quick overview of system performance on an AIX server is to use the topas command.