"sqlio -k" - Kind of I/O
What is the Kind of I/O option, "sqlio -k"?
The Kind of I/O option, "sqlio -k", specifies what kind of I/O to test, reading or writing.
The default value is "-kR", reading I/O test.
Example 1 - Run SQLIO for reading I/O testing:
C:\fyicenter\SQLIO>sqlio -kR 1 thread reading for 30 secs from file testfile.dat using 2KB IOs over 128KB stripes with 64 IOs per run initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 3080.69 MBs/sec: 6.01
Example 1 - Run SQLIO for writing I/O testing:
C:\fyicenter\SQLIO>sqlio -kW 1 thread writing for 30 secs to file testfile.dat using 2KB IOs over 128KB stripes with 64 IOs per run initialization done CUMULATIVE DATA: throughput metrics: IOs/sec: 1277.07 MBs/sec: 2.49
As you can see, reading is faster than writing as we expected, so reading has a higher throughput.
2019-05-14, 104👍, 0💬
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