[IMPALA-10230] column stats num_nulls less than -1

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Duplicate
• Affects Version/s: Impala 3.4.0
• Fix Version/s: Impala 4.0.0
• Component/s: Catalog
• Labels: newbie ramp-up
• Target Version: Impala 4.0.0
• Epic Color: ghx-label-13
• Assignee: Unassigned
• Reporter: logan zheng
• Created: 09/Oct/20 16:32
• Updated: 23/Dec/20 07:54
• Resolved: 23/Dec/20 07:54

Description

when update impala 3.2.0(CDH6.3.2 ) to asf3.4.0 ,after when "increment stats default.test partition(xx=yyyy)":

ERROR: TableLoadingException: Failed to load metadata for table: default.test
CAUSED BY: IllegalStateException: ColumnStats{avgSize_=13.0, avgSerializedSize_=25.0, maxSize_=19, numDistinct_=12, numNulls_=-2}

The table default.test already exists in impala 3.2.0, and has been running for a long time, and has also been added stats. 

 

 
 

Issue Links

• duplicates: IMPALA-9699 Skip '-1' values when aggregating num_null incremental statistics