![]() The percentage shown to the right of the indicator bar and the length of the bar represents the percentage. Then pick again the same fields for LogicalDisk. Indicates the percentage of network engine RAM usage. ![]() Use the perfmon tool supplied with Windows to gather memory usage information on a Java or Node.js process. Its a tool to collect information about server memory usage, plugins hook time and other things that affects server performance. So, when it comes to which performance counters to set for storage monitoring you should use: systems to native out-of-memory conditions. Check out PerfMon available via JMeter Plugins, it is free and open source. So a high Disk Queue Length leads to high Disk sec/Read and Disk sec/Write times, and consequently to a higher Disk sec/Transfer which is the actual measure of disk response time/latency. While there are no hard values when it comes to transfer speed for storage or latency, we want to minimize I/O request queues as this leads to high disk latency.
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