Tool to plot HDR histogram data and histostats data generated by NoSQLBench
Project description
NB HDR plotter
A tool to plot
HDR histogram
data (and histostats
output) from
NoSQLBench.
Setup
Pre-requisites
Python 3.8+ is required.
Installation
Install with
pip install nb-hdr-plotter
Quickstart
Assuming you have an HDR
histogram file to plot:
nb_hdr_plotter \
hdr_data.log \
-b -c -s \
-p SampleData \
-d SampleDump \
-m cqlkeyvalue_default_main.result
Assuming you have a histostats
output file to plot:
histostats_plotter \
histostats.log \
-p HistostatsSample \
-m cqlkeyvalue_default_main.result
The Github repository contains sample plots obtained with these tools.
More options
nb_hdr_plotter
can dump to atxt
table file (as opposed to a PNG image);- it can selectively plot histogram, percentiles, stability plot;
- it can interactively help you select the metric to plot;
- it can optionally refrain from time unit conversion and overwrite files.
Check out the online help:
$> nb_hdr_plotter -h
usage: nb_hdr_plotter [-h] [-i] [-m METRICTAG] [-b] [-c] [-s] [-p PLOTFILEROOT] [-d DUMPFILEROOT] [-f] [-r] filename
Manipulate HDR data generated in NoSQLBench.
positional arguments:
filename HDR input data
optional arguments:
-h, --help show this help message and exit
-i, --inspect Detailed input breakdown
Analysis tasks:
-m METRICTAG, --metric METRICTAG
Work on the specified metric tag (interactive choice if not provided)
-b, --baseplot Create standard distribution plot
-c, --percentiles Create percentile analysis
-s, --stability Perform stability analysis (per-slice plots)
Output control:
-p PLOTFILEROOT, --plot PLOTFILEROOT
Create plot images (with given file root)
-d DUMPFILEROOT, --dump DUMPFILEROOT
Dump to data files (with given file root)
-f, --force Overwrite existing file(s) if necessary
-r, --raw Keep raw values found in histograms (no unit conversions)
histostats_plotter
can include/exclude plotting the "max" alongside the other percentiles;- it offers interactive selection of the metric to plot;
- it optionally overwrites existing files:
$> histostats_plotter -h
usage: histostats_plotter [-h] [-m METRICTAG] [-p PLOTFILEROOT] [--include-max] [-f] filename
Quickly plot "--log-histostats" output from NoSQLBench to an image.
positional arguments:
filename Histostats input file
optional arguments:
-h, --help show this help message and exit
-m METRICTAG, --metric METRICTAG
Work on the specified metric tag (interactive choice if not provided)
-p PLOTFILEROOT, --plot PLOTFILEROOT
Create plot image (with given file root), automatic if not provided
--include-max Include "max" to plotting
-f, --force Overwrite existing file if necessary
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