DML Metastore 작업이 느린 이슈

CREATE EXTERNAL TABLE hanjig.text (
...
)

Query submitted: 39.97us (39.97us)
Planning finished: 304ms (304ms)
Submit for admission: 3.55s (3.24s)
Completed admission: 3.60s (54ms)
Ready to start on 25 backends: 3.60s (640.89us)
All 25 execution backends (24 fragment instances) started: 3.62s (18ms)
Last row fetched: 5.92s (2.29s)
Released admission control resources: 5.92s (145.07us)
DML data written: 5.92s (2ms)
DML Metastore update finished: 15.08s (9.96s)
Rows available: 15.88s (4ms)
Unregister query: 15.88s (968.77us)