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h743107
2012 Jun 20
1
Question on EBImage package
I am having trouble using the "resize" function (in the package EBImage) with matrices containing double values. Let's say I have a matrix 'b' with these values:
> a = c(1.25,1.555,1.245,1.265,1.656,1.235,1.848,1.959,1.548,1.245454,1.989,1.24)
> b = matrix(a,4,3)
> b
[,1] [,2] [,3]
[1,] 1.250 1.656 1.548000
[2,] 1.555 1.235 1.245454
[3,] 1.245 1.848
2013 Feb 27
1
Slow read performance
Help please-
I am running 3.3.1 on Centos using a 10GB network. I get reasonable write speeds, although I think they could be faster. But my read speeds are REALLY slow.
Executive summary:
On gluster client-
Writes average about 700-800MB/s
Reads average about 70-80MB/s
On server-
Writes average about 1-1.5GB/s
Reads average about 2-3GB/s
Any thoughts?
Here are some additional details: