[Haskell] School of Expression pages missing from haskell.org

2011-01-10 Thread Julian Gilbey
Does anyone know what has happened to the Haskell School of Expression (SOE) webpages? The link from books for learning Haskell now gives a 404 Not Found error. Thanks! Julian ___ Haskell mailing list Haskell@haskell.org http://www.haskell.org/mail

Re: [Haskell] filesystem verification utility

2011-01-10 Thread Anand Mitra
Based on feedback I inferred that the huge memory usage was mostly because of the String handling in the patern generation. To make it more efficient I have used Data.ByteString.Lazy.Char8 but now I get the following error when I execute stress: tmp/asdf-1: hPutBuf: illegal operation (handle is

[Haskell] filesystem verification utility

2011-01-10 Thread Anand Mitra
Hi, I had a requirement to generate various kinds of I/O patterns on a filesystem and subsequently verify this. The initial version of the program below implements a random I/O pattern with multiple threads. Even when the number of I/O is as small as 200 and 10 concurrent theads, the amount of mem