The folder "/mnt/hadoop-fs/dfs/data/current/" is the main folder of datanode in hadoop.
You can use *hadoop dfs -rmr {nouserdir} *to get more free space in HDFS. *Don't delete file directly in OS file system.* Zhiwen Sun On Mon, Mar 18, 2013 at 6:48 PM, Manish Bhoge <manishbh...@rocketmail.com>wrote: > I think these directories belong to task tracker temporary storage. I am > not very confident to conclude that go ahead with your clean up. So, wait > for similar or an expert's response > > Sent from HTC via Rocket! excuse typo. > > ------------------------------ > * From: * Chunky Gupta <chunky.gu...@vizury.com>; > * To: * <user@hive.apache.org>; > * Subject: * dfs storage full on all slave machines of 6 machine hive > cluster > * Sent: * Mon, Mar 18, 2013 10:37:39 AM > > Hi, > > We have a 6 machine hive cluster. We are getting errors while a query is > running and it fails. I found that on all 5 slaves storage is nearly full ( > 96%, 98%, 100%, 97%, 98% storage used) . > > On my slaves machines, this folder "/mnt/hadoop-fs/dfs/data/current/" is > contributing 95% storage used. It contains folders with names "subdir0", > "subdir1", etc and under them there are many files with name like > "blk_-4071357924681234567" and blk_-4071357924681234567_246813.meta:, etc. > > I want to delete these subdir folders but I am not sure if it will not > affects the tables which I have created. > > Can anyone help me and tell me what are these folders used for ?. > > Thanks, > Chunky. >