Re: HDFS Snapshots

2014-10-21 Thread Pushparaj Motamari
Hi, Actually, how does namenode handle when block report is sent from datanodes? After removing snapshot the file size = 0.5*BLOCK_SIZE. but the block report says it is 0.6*BLOCK_SIZE,(if we do not shrink the block) there is a mismatch. On Tue, Oct 21, 2014 at 8:34 PM, Pushparaj Motamari

Re: HDFS Snapshots

2014-10-21 Thread Pushparaj Motamari
drew > > On Tue, Oct 21, 2014 at 7:20 AM, Pushparaj Motamari > > wrote: > > > Hi, > > > > Consider the scenario below. > > > > /A/file.txt in HDFS > > > > 1. file.txt size = 0.5*(Size of Block). > > > > 2. Take Snapshot on directo

HDFS Snapshots

2014-10-21 Thread Pushparaj Motamari
Hi, Consider the scenario below. /A/file.txt in HDFS 1. file.txt size = 0.5*(Size of Block). 2. Take Snapshot on directory A 3. Append to the file.txt, making its size as 0.6*(Size of Block) 4. Remove/delete the snapshot on folder taken in step2. My Question