Hello @MG-1    The Symptoms appears to match HBASE-20616.   In your Case, You should follow the below Steps: (I) Confirm the only RUNNABLE Procedures are TruncateTableProcedure (II) Stop the HMaster Services (Active & Standby).  (III) Sideline the Contents of MasterProcWALs Directory (/hbase/MasterProcWALs). (IV) Sideline the Table Region Directories from "/hbase/.tmp/" Directory.  (V) Start the HMaster Services.    The above Process ensures the Master doesn't attempt the Truncate Table Procedures by sidelining the MasterProcWALs Directory Contents & Sideline the Table Region Directories from "/hbase/.tmp/" Directory, else the Table won't be allowed to be Created again.    - Smarak ... View more