April 2018
Intermediate to advanced
508 pages
15h 22m
English
Content preview from PostgreSQL 10 High Performance - Third Edition
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Windows system monitor
Windows also has a set of tools that provide similar capabilities to the Unix vmstat and iostat utilities, through the Windows system monitor, originally called the Performance Monitor, and the command line to run it is still named perfmon. This utility lets you see live views of system activity that includes functional replacements for all of the OS-level monitoring tools described previously.
It's possible to disable the performance counters that track disk activity on a Windows server, and they were defaulted to off in the earlier versions than is common now. To check that they're turned on, run the diskperf command. You can enable them by running diskperf -y.
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