-
Type:
Improvement
-
Status: Resolved
-
Priority:
Major
-
Resolution: Fixed
-
Affects Version/s: Impala 3.1.0
-
Fix Version/s: Impala 3.2.0
-
Component/s: None
-
Labels:None
-
Epic Color:ghx-label-2
Using jxray shows that there are many common duplicate strings in the catalog. For example, each table repeats the database name, and metadata like the HMS parameter maps reuse a lot of common strings like "EXTERNAL" or "transient_lastDdlTime". We should intern these to save memory.