Blocks are not deleting in datanodes /dfs/dn dir when files deleted from HDFS

[#1]

Hi,

When i delete files from hdfs and even  .Trash , In datanodes /dfs/dn directory not cleaning up blocks and resulting disk full in OS level storage. When i restart HDFS, some blocks/recent data blocks are missing frequently

dfs direcory usage in datanodes

# du -sh *
705G dfs
16K lost+found

hdfs usage 

# sudo -u hdfs hdfs dfs -du -s -h /
270.3 G 812.7 G /

Please help me out....

Thanks in advance

[#2]

@RakeshE

This is not an actual answer.... but try rebalance before you get block usage once again, it may help you

[#3]

I've already tried, but no use

[#4]

Hey @Harsh J, Please have a look at this topic