View IOPS from FOB to Steady State with WSAT Plots. RND 4KiB W IOPS by Time or Capacity Fills in Total GB Written (“TGBW”).
Steady State IOPS – 56 Element Matrix of 8 BS by 7 R/W mixes. BS 0.5KiB to 1024KiB at R/W Mix from 100%W to 100%R.
IOPS 3D BAR
View discrete Block Size / R/W mixes via 3D Bar Plot – IOPS Y axis, Block Size X axis and R/W mix on Z axis.
IOPS 2D Plot
View discrete Block Size / R/W mixes via 2D Plot – IOPS Y axis, Block Size X axis, R/W mixes as series. Log or Linear Scale.
Throughput (in MB/s ) for SEQ 1024KiB at 100% R/W. 1024KiB Steady State Convergence and SS Window shown.
Latency Pre Conditioning
View Pre Conditioning Rounds for AVE Latency. Block Sizes 0.5KiB, 4KiB and 8 KiB for 100%W, 65:35 R/W and 100%R R/W mixes.
Resp Time Histograms
Frequency and Distribution of Response Times show Quality of Service. Number of IOPs counted per bin by Time in msec.
Response to Increase in Driving Load in Outstanding IOs (OIOs). IOPS X axis, Ave Resp Time Y axis. Data series in OIOs.
Choose Optimal TC/QD for a given Access Pattern. IOPS Y axis, OIO/Thread (QD) X axis. Thread Counts as Data Series.
Host Idle Recovery
Performance Response to varying periods of Host Idles. Relationship of varying Idle Times to Performance Recovery.
Cross Stimulus Recovery
See Transition Responses after periods of sustained Stimuli. Helpful for understanding VM and Multi-User workloads.