Hi @Harsh J ,  I just deleted around 80% of my data with "DELETE from table_name where register <= '2018-12-31'" My disks are pretty full (around 90%). After the deletion nothing happened (about freeing space). I restart Cloudera (Kudu, Impala, HDFS, etc.) and nothing. I add this two lines to Kudu configuration (in "Master Advanced Configuration Snippet (Safety Valve) for gflagfile" and "Tablet Server Advanced Configuration Snippet (Safety Valve) for gflagfile"): ``` unlock_experimental_flags=true flush_threshold_secs=120 ``` After restart Kudu, wait for the 120 secs.. nothing. ... View more