[IMPALA-10776] Hold write lock for less time in ALTER TABLE RECOVER PARTITIONS

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: Frontend
• Epic Color: ghx-label-1
• Assignee: Vihang Karajgaonkar
• Reporter: Csaba Ringhofer
• Created: 02/Jul/21 07:22
• Updated: 07/Sep/21 18:53

Description

ALTER TABLE RECOVER PARTITIONS holds a write lock on the table for the whole time while it lists the HDFS directories and creates the new partitions in HMS. This can potentially take a long time and block catalog updates.