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List:       hadoop-user
Subject:    Underlying file system Block size
From:       "Naama Kraus" <naamakraus () gmail ! com>
Date:       2008-06-30 19:10:08
Message-ID: 643aa4870806301210tbd9a947x737c8e1da3624a5a () mail ! gmail ! com
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Hi All,

To my knowledge, HDFS block size is 64MB - fairly large. Is this a
requirement from a file system, if one wishes to implement Hadoop on top of
it ? Or is there a way to get along with a file system supporting a smaller
block size such as 1M or even less ? What is the case for existing, non
HDFS, implementations of Hadoop (such as S3, KFS) ?

Thanks for any input,
Naama

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