I will try it tomorrow when I goto class. Thanks for the quick response! :-)
On Sun, Feb 6, 2011 at 5:31 PM, Ayon Sinha <ayonsi...@yahoo.com> wrote: > do this test. do a copyFromLocal to create a new file in hdfs . check the > block size of this new file. it should be 128mb if ur changes took effect. > > Sent from my iPhone > > On Feb 6, 2011, at 2:24 PM, Rita <rmorgan...@gmail.com> wrote: > > Bharath, > So, I have to restart the entire cluster? So, I need to stop the namenode > and then run start-dfs.sh ? > > Ayon, > So, what I did was decommission a node, remove all of its data (rm -rf > data.dir) and stopped the hdfs process on it. Then I made the change to > conf/hdfs-site.xml on the data node and then I restarted the datanode. I > then ran a balancer to take effect and I am still getting 64MB files instead > of 128MB. :-/ > > > > > > On Sun, Feb 6, 2011 at 2:25 PM, Bharath Mundlapudi <<bharathw...@yahoo.com> > bharathw...@yahoo.com> wrote: > >> Can you tell us, how are you verifying if its not working? >> >> Edit >> conf/hdfs-site.xml dfs.block.size >> >> >> And restart the cluster. >> >> -Bharath >> >> >> *From:* Rita < <rmorgan...@gmail.com>rmorgan...@gmail.com> >> *To:* <hdfs-user@hadoop.apache.org>hdfs-user@hadoop.apache.org >> *Cc:* >> *Sent:* Sunday, February 6, 2011 8:50 AM >> >> *Subject:* Re: changing the block size >> >> Neither one was working. >> >> Is there anything I can do? I always have problems like this in hdfs. It >> seems even experts are guessing at the answers :-/ >> >> >> On Thu, Feb 3, 2011 at 11:45 AM, Ayon Sinha < <ayonsi...@yahoo.com> >> ayonsi...@yahoo.com> wrote: >> >> conf/hdfs-site.*xml* >> >> restart dfs. I believe it should be sufficient to restart the namenode >> only, but others can confirm. >> >> -Ayon >> >> *From:* Rita < <rmorgan...@gmail.com>rmorgan...@gmail.com> >> *To:* <hdfs-user@hadoop.apache.org>hdfs-user@hadoop.apache.org >> *Sent:* Thu, February 3, 2011 4:35:09 AM >> *Subject:* changing the block size >> >> Currently I am using the default block size of 64MB. I would like to >> change it for my cluster to 256 megabytes since I deal with large files >> (over 2GB). What is the best way to do this? >> >> What file do I have to make the change on? Does it have to be applied on >> the namenode or each individual data nodes? What has to get restarted, >> namenode, datanode, or both? >> >> >> >> -- >> --- Get your facts first, then you can distort them as you please.-- >> >> >> >> >> -- >> --- Get your facts first, then you can distort them as you please.-- >> >> >> >> > > > -- > --- Get your facts first, then you can distort them as you please.-- > > -- --- Get your facts first, then you can distort them as you please.--
