-
Type:
Task
-
Status: Resolved
-
Priority:
Minor
-
Resolution: Cannot Reproduce
-
Affects Version/s: Impala 2.2.4
-
Fix Version/s: None
-
Component/s: Perf Investigation
-
Labels:None
It has been observed that the "planning timeline" in FE is only ~500ms, but the "Finished Planning" time in the query profile timeline is ~2sec. Such a big discrepancy could be due to the plan serialization time. Investigate potential issues in plan serialization.