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Windows Performance and Windows Problem Troubleshooting Problem                  ·                  ·                     ...
Resources Microsoft PFE PerfGuide – Start Here http://social.technet.microsoft.com/wiki/contents/articles/the-microsoft-pf...
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Quick flowchart for diagnosing windows performance issues with perfmon

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  1. 1. Windows Performance and Windows Problem Troubleshooting Problem · · …made easy Operating System & Service Pack level Physical or Virtual · Processor type / no. / speedGather Details · NIC configuration details · Data storage details: Local, SAN, RAID details <10ms = Good Performance · Total RAM installed, Pagefile configuration · x86 or x64 - PAE / 3GB / BIOS settings 10-15ms = Average Performance 15-25ms = Warning Level Avg. Disk sec /Read >25ms = Critical Level Avg. Disk sec /Write Logical/Physical Disk Counters Current Disk No more than 2 per spindle Queue Length Storage I/O Data Operations /sec High operations per second show Process Counters IO Other Operations /sec heaviest disk consumers > 10% Normal Available Mbytes 5-10% Warning > 10,000 Normal < 5% Critical Free System PTE’s Memory < 8,000 Critical > 2,500 requires investigation Pages /Sec Compare with Free Mbytes and check pagefile size Pool Paged Bytes Refer to Windows Memory Charts PP with /3GB: 206MB Pool NonPaged Bytes Ex: 2003 x86 with 4GB RAM, 80% max. PP without: 288MB NPP with /3GB: 104MB NPP without: 209MB %Privileged Time Physical < 80% sustained %User Time Compare to workload Processor Hyper-V Logical Host based CPU Util Virtualised Hyper-V Virtual Guest based CPU Util Handle Count 32bit <500 Delta 64bit <1,000 Delta Thread Count Process Private Bytes 32bit <250MB Delta 64bit <500MB Delta Working Set > 1 Queuing, Network Output Queue Length check network utilisation Should be static, check Current Bandwidth Auto and Duplex settings Richard Diver < 65% of bandwidth20th April 2011 Bytes Total /Sec x8 to convert Bits to Bytes
  2. 2. Resources Microsoft PFE PerfGuide – Start Here http://social.technet.microsoft.com/wiki/contents/articles/the-microsoft-pfe- performance-guide-perfguide-start-here.aspx Disk In Depth http://social.technet.microsoft.com/wiki/contents/articles/disk-in-depth-pfe- performance-guide.aspx#comment-4135 Clint Huffman: System Committed Memory http://social.technet.microsoft.com/wiki/contents/articles/perfguide-out-of- system-committed-memory.aspx MS Perf team http://blogs.technet.com/b/askperf/ AD Perf http://technet.microsoft.com/en-us/library/cc961949.aspx SQL Perf http://www.sql-server-performance.com/tips/ sql_server_performance_monitor_coutners_p1.aspx

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