Re: HDFS out of space

2009-06-22 Thread Alex Loddengaard
Are you seeing any exceptions because of the disk being at 99% capacity? Hadoop should do something sane here and write new data to the disk with more capacity. That said, it is ideal to be balanced. As far as I know, there is no way to balance an individual DataNode's hard drives (Hadoop does

Re: HDFS out of space

2009-06-22 Thread Pankil Doshi
Hey Alex, Will Hadoop balancer utility work in this case? Pankil On Mon, Jun 22, 2009 at 4:30 PM, Alex Loddengaard a...@cloudera.com wrote: Are you seeing any exceptions because of the disk being at 99% capacity? Hadoop should do something sane here and write new data to the disk with more

Re: HDFS out of space

2009-06-22 Thread Matt Massie
Pankil- I'd be interested to know the size of the /mnt and /mnt2 partitions. Are they the same? Can you run the following and report the output... % df -h /mnt /mnt2 Thanks. -Matt On Jun 22, 2009, at 1:32 PM, Pankil Doshi wrote: Hey Alex, Will Hadoop balancer utility work in this

Re: HDFS out of space

2009-06-22 Thread Allen Wittenauer
On 6/22/09 10:12 AM, Kris Jirapinyo kjirapi...@biz360.com wrote: Hi all, How does one handle a mount running out of space for HDFS? We have two disks mounted on /mnt and /mnt2 respectively on one of the machines that are used for HDFS, and /mnt is at 99% while /mnt2 is at 30%. Is

Re: HDFS out of space

2009-06-22 Thread Usman Waheed
I have used the balancer to balance the data in the cluster with the -threshold option. The bandwidth transfer was set to 1MB/sec ( I think thats the default setting) in one of the config files and had to move 500GB of data around. It did take sometime but eventually the data got spread

Re: HDFS out of space

2009-06-22 Thread Pankil Doshi
Matt. Kris can give that info.. I am one of the users from mailing list. PAnkil On Mon, Jun 22, 2009 at 4:37 PM, Matt Massie m...@cloudera.com wrote: Pankil- I'd be interested to know the size of the /mnt and /mnt2 partitions. Are they the same? Can you run the following and report the

Re: HDFS out of space

2009-06-22 Thread Kris Jirapinyo
It's a typical Amazon EC2 Large instance, so 414G each. -- Kris. On Mon, Jun 22, 2009 at 1:37 PM, Matt Massie m...@cloudera.com wrote: Pankil- I'd be interested to know the size of the /mnt and /mnt2 partitions. Are they the same? Can you run the following and report the output... % df