The maximum number of files in HDFS depends on the amount of memory available for the namenode. Each file object and each block object takes about 150 bytes of the memory. Thus, if you have 1million files and each file has 1 one block each, then you would need about 3GB of memory for the namenode.
thanks dhruba On Fri, Jun 6, 2008 at 11:51 PM, karthik raman <[EMAIL PROTECTED]> wrote: > Hi, > What is the maximum number of files that can be stored on HDFS? Is it > dependent on namenode memory configuration? Also does this impact on the > performance of namenode anyway? > thanks in advance > Karthik > > > From Chandigarh to Chennai - find friends all over India. Go to > http://in.promos.yahoo.com/groups/citygroups/