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...__ end example 1 __________ Stepping into details I found the following (comment shows RAM usage after this line was executed): load(myFile) # 40MB (19MB for R itself) ds.tmp <- ds # 40MB; => only a pointer seems to be copied x<-rbind(ds.tmp, ds) # 198MB x<-rbind(ds.tmp, ds) # 233MB; the same instruction a second time leads to # 35MB more RAM usage - why? Now I played around, but I couldn't find a solution. For example I bound each dataframe step by step and removed the variables and cleared memory, but I still need 1140MB(!) RAM: ________ start example 2 ______...

I can't seem to get the read and write performance better than approximately 40MB/s on an ext2 file system. IMO, this is horrible performance for a 6-drive, hardware RAID 5 array. Please have a look at what I'm doing and let me know if anybody has any suggestions on how to improve the performance... System specs: ----------------- 2 x 2.8GHz Xeons 6GB RAM 1 3ware 9500S-12 2 x 6-drive,

Hello, I''ve recently installed a hvm domU opensuse 11 guest and I cannot set the screen resolution higher then 640x480. This seems very strange to me, because I don''t have any problem to set higher resolution on a windows 7 domU, using the following parameters in the configuration file: stdvga=1 videoram=16 What could the problem be? Is some video driver missing? -- Flavio

Hello, I''ve recently installed a hvm domU opensuse 11 guest and I cannot set the screen resolution higher then 640x480. This seems very strange to me, because I don''t have any problem to set higher resolution on a windows 7 domU, using the following parameters in the configuration file: stdvga=1 videoram=16 What could the problem be? Is some video driver missing? -- Flavio