[Haskell-cafe] performance of map reduce

Bulat Ziganshin bulat.ziganshin at gmail.com
Fri Sep 19 15:17:14 EDT 2008

Hello Don,

Friday, September 19, 2008, 9:12:43 PM, you wrote:

>> It is possible to implement a map reduce version that can handle gzipped
>> log files?

> Using the zlib binding on hackage.haskell.org, you can stream multiple
> zlib decompression threads with lazy bytestrings, and combine the
> results.

for gzip decompression you need to decompress all the previous data,
so decompression of single file cannot be multithreaded

Best regards,
 Bulat                            mailto:Bulat.Ziganshin at gmail.com

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