This a tangential question but I cannot get the PNG device to work. I get
the error:
priv/summary.r -i tests/current
[1] "plyr"
Loading required package: plyr
[1] "grid"
Loading required package: grid
[1] "getopt"
Loading required package: getopt
[1] "proto"
Loading required package: proto
[1] "ggplot2"
Loading required package: ggplot2
Loading required package: methods
[1] 0
[1] 301.168
Error in X11(paste("png::", filename, sep = ""), g$width, g$height,
pointsize, :
unable to start device PNG
Calls: png
In addition: Warning message:
In png(file = opt$outfile, width = opt$width, height = opt$height) :
unable to open connection to X11 display ''
Execution halted
make: *** [results] Error 1
Ideas?
From: riak-users [mailto:[email protected]] On Behalf Of
Christian Steinmann
Sent: Thursday, April 11, 2013 5:42 AM
To: [email protected]
Subject: Basho Bench summary png, what is the meaning of Latency Percentile
Hello,
at the moment i evaluate a graphics (summary.png) generated with Basho Bench
and R.
I wonder what the meaning of this 99th, 99.9th and 95th Percentile curves
are.
My guess is that for e.g. 99th curve means: 99% of all measured latencies
(one measured value for each node at a definite time) have been lower than
the shown value at one point in time.
I only have three nodes in this cluster, so i guess the 99.9th, 99th and
95th curves are showing the latency for one of the nodes in this particular
case.
Can someone explain it to me please.
I added one summary picture.
greetings christian
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