Re: how to locate the replicas of a file in HDFS?

2013-06-04 Thread Mahmood Naderan
hadoop fsck mytext.txt -files -locations -blocks I expect something like a tag which is attached to each block (say block X) that shows the position of the replicated block of X. The method you mentioned is a user level task. Am I right?   Regards, Mahmood

Re: how to locate the replicas of a file in HDFS?

2013-06-04 Thread Azuryy Yu
ClientProtocol namenode = DFSClient.createNamenode(conf); HdfsFileStatus hfs = namenode.getFileInfo(your_hdfs_file_name); LocatedBlocks lbs = namenode.getBlockLocations(your_hdfs_file_name, 0, hfs.getLen()); for (LocatedBlock lb : lbs.getLocatedBlocks()) { DatanodeInfo[] info =

RE: how to locate the replicas of a file in HDFS?

2013-06-04 Thread zangxiangyu
hadoop fsck path -files -blocks -locations –racks replace path with real path J From: 一凡 李 [mailto:zhuazhua_...@yahoo.com.cn] Sent: Tuesday, June 04, 2013 12:49 PM To: user@hadoop.apache.org Subject: how to locate the replicas of a file in HDFS? Hi, Could you tell me how to

Re: how to locate the replicas of a file in HDFS?

2013-06-04 Thread Sandeep Nemuri
Try this command hadoop fsck file path -files -blocks On Tue, Jun 4, 2013 at 3:41 PM, zangxiangyu zangxian...@qiyi.com wrote: hadoop fsck * path* -files -blocks -locations –racks ** ** replace path with real path J ** ** *From:* 一凡 李 [mailto:zhuazhua_...@yahoo.com.cn]

how to locate the replicas of a file in HDFS?

2013-06-03 Thread 一凡 李
Hi, Could you tell me how to locate where store each replica of a file in HDFS? Correctly speaking, if I create a file in HDFS(replicate factor:3),how to find the DataNodes which store its each block and replicas?    Best Wishes, Yifan

Re: how to locate the replicas of a file in HDFS?

2013-06-03 Thread Rahul Bhattacharjee
hadoop fsck mytext.txt -files -locations -blocks Thanks, Rahul On Tue, Jun 4, 2013 at 10:19 AM, 一凡 李 zhuazhua_...@yahoo.com.cn wrote: Hi, Could you tell me how to locate where store each replica of a file in HDFS? Correctly speaking, if I create a file in HDFS(replicate factor:3),how to