tieke1121 commented on issue #1568:
URL: https://github.com/apache/incubator-hudi/issues/1568#issuecomment-620330335


   ```
   1 there is no 'default'  directory after i set the 
DataSourceWriteOptions.KEYGENERATOR_CLASS_OPT_KEY
   
   2 
   hadoop fs -ls /wap-olap/data/device/status/data_1/.hoodie
   Found 138 items
   drwxr-xr-x   - root supergroup          0 2020-04-28 01:11 
/wap-olap/data/device/status/data_1/.hoodie/.aux
   drwxr-xr-x   - root supergroup          0 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/.temp
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:48 
/wap-olap/data/device/status/data_1/.hoodie/20200428014848.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:48 
/wap-olap/data/device/status/data_1/.hoodie/20200428014848.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:48 
/wap-olap/data/device/status/data_1/.hoodie/20200428014848.clean.requested
   -rw-r--r--   3 root supergroup       5464 2020-04-28 01:48 
/wap-olap/data/device/status/data_1/.hoodie/20200428014848.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:48 
/wap-olap/data/device/status/data_1/.hoodie/20200428014848.commit.requested
   -rw-r--r--   3 root supergroup       1054 2020-04-28 01:48 
/wap-olap/data/device/status/data_1/.hoodie/20200428014848.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014858.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014858.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014858.clean.requested
   -rw-r--r--   3 root supergroup       5464 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014858.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:48 
/wap-olap/data/device/status/data_1/.hoodie/20200428014858.commit.requested
   -rw-r--r--   3 root supergroup       1054 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014858.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014909.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014909.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014909.clean.requested
   -rw-r--r--   3 root supergroup       5463 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014909.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014909.commit.requested
   -rw-r--r--   3 root supergroup       1054 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014909.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014919.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014919.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014919.clean.requested
   -rw-r--r--   3 root supergroup       5464 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014919.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014919.commit.requested
   -rw-r--r--   3 root supergroup       1055 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014919.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014930.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014930.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014930.clean.requested
   -rw-r--r--   3 root supergroup       5464 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014930.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014930.commit.requested
   -rw-r--r--   3 root supergroup       1054 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014930.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014940.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014940.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014940.clean.requested
   -rw-r--r--   3 root supergroup       5463 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014940.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014940.commit.requested
   -rw-r--r--   3 root supergroup       1054 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014940.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428014950.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428014950.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428014950.clean.requested
   -rw-r--r--   3 root supergroup       5463 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014950.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014950.commit.requested
   -rw-r--r--   3 root supergroup       1054 2020-04-28 01:49 
/wap-olap/data/device/status/data_1/.hoodie/20200428014950.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015001.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015001.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015001.clean.requested
   -rw-r--r--   3 root supergroup       5463 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015001.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015001.commit.requested
   -rw-r--r--   3 root supergroup       1054 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015001.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015011.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015011.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015011.clean.requested
   -rw-r--r--   3 root supergroup       5463 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015011.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015011.commit.requested
   -rw-r--r--   3 root supergroup       1054 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015011.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015022.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015022.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015022.clean.requested
   -rw-r--r--   3 root supergroup       5464 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015022.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015022.commit.requested
   -rw-r--r--   3 root supergroup       1054 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015022.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015033.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015033.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015033.clean.requested
   -rw-r--r--   3 root supergroup       5463 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015033.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015033.commit.requested
   -rw-r--r--   3 root supergroup       1054 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015033.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015044.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015044.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015044.clean.requested
   -rw-r--r--   3 root supergroup       5463 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015044.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015044.commit.requested
   -rw-r--r--   3 root supergroup       1054 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015044.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015054.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015054.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015054.clean.requested
   -rw-r--r--   3 root supergroup       5464 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015054.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015054.commit.requested
   -rw-r--r--   3 root supergroup       1055 2020-04-28 01:50 
/wap-olap/data/device/status/data_1/.hoodie/20200428015054.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015105.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015105.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015105.clean.requested
   -rw-r--r--   3 root supergroup       5465 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015105.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015105.commit.requested
   -rw-r--r--   3 root supergroup       1055 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015105.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015116.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015116.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015116.clean.requested
   -rw-r--r--   3 root supergroup       5464 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015116.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015116.commit.requested
   -rw-r--r--   3 root supergroup       1055 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015116.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015127.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015127.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015127.clean.requested
   -rw-r--r--   3 root supergroup       5464 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015127.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015127.commit.requested
   -rw-r--r--   3 root supergroup       1055 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015127.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015138.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015138.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015138.clean.requested
   -rw-r--r--   3 root supergroup       5464 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015138.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015138.commit.requested
   -rw-r--r--   3 root supergroup       1055 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015138.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015149.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015149.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015149.clean.requested
   -rw-r--r--   3 root supergroup       5465 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015149.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015149.commit.requested
   -rw-r--r--   3 root supergroup       1055 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015149.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015159.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015159.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015159.clean.requested
   -rw-r--r--   3 root supergroup       5464 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015159.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:51 
/wap-olap/data/device/status/data_1/.hoodie/20200428015159.commit.requested
   -rw-r--r--   3 root supergroup       1055 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015159.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015210.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015210.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015210.clean.requested
   -rw-r--r--   3 root supergroup       5465 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015210.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015210.commit.requested
   -rw-r--r--   3 root supergroup       1055 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015210.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015221.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015221.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015221.clean.requested
   -rw-r--r--   3 root supergroup       5464 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015221.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015221.commit.requested
   -rw-r--r--   3 root supergroup       1054 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015221.inflight
   -rw-r--r--   3 root supergroup       1305 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015233.clean
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015233.clean.inflight
   -rw-r--r--   3 root supergroup        948 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015233.clean.requested
   -rw-r--r--   3 root supergroup       5465 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015233.commit
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015233.commit.requested
   -rw-r--r--   3 root supergroup       1055 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015233.inflight
   -rw-r--r--   3 root supergroup          0 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015243.commit.requested
   -rw-r--r--   3 root supergroup       1055 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/.hoodie/20200428015243.inflight
   drwxr-xr-x   - root supergroup          0 2020-04-28 01:17 
/wap-olap/data/device/status/data_1/.hoodie/archived
   -rw-r--r--   3 root supergroup        218 2020-04-28 01:11 
/wap-olap/data/device/status/data_1/.hoodie/hoodie.properties
   
   3  [root@sap-datanode3 device]# hadoop fs -ls 
/wap-olap/data/device/status/data_1/
   Found 13 items
   drwxr-xr-x   - root supergroup          0 2020-04-28 01:53 
/wap-olap/data/device/status/data_1/.hoodie
   -rw-r--r--   3 root supergroup         93 2020-04-28 01:12 
/wap-olap/data/device/status/data_1/.hoodie_partition_metadata
   -rw-r--r--   3 root supergroup    1596884 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/b33868cc-6609-47a3-8e93-bdd248deb21e-0_0-11621-3090139_20200428015159.parquet
   -rw-r--r--   3 root supergroup    1599758 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/b33868cc-6609-47a3-8e93-bdd248deb21e-0_0-11674-3103702_20200428015210.parquet
   -rw-r--r--   3 root supergroup    1602477 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/b33868cc-6609-47a3-8e93-bdd248deb21e-0_0-11726-3117264_20200428015221.parquet
   -rw-r--r--   3 root supergroup    1604964 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/b33868cc-6609-47a3-8e93-bdd248deb21e-0_0-11780-3130832_20200428015233.parquet
   -rw-r--r--   3 root supergroup    1606335 2020-04-28 01:52 
/wap-olap/data/device/status/data_1/b33868cc-6609-47a3-8e93-bdd248deb21e-0_0-11831-3144395_20200428015243.parquet
   -rw-r--r--   3 root supergroup    1609249 2020-04-28 01:53 
/wap-olap/data/device/status/data_1/b33868cc-6609-47a3-8e93-bdd248deb21e-0_0-11880-3157966_20200428015254.parquet
   -rw-r--r--   3 root supergroup    1611447 2020-04-28 01:53 
/wap-olap/data/device/status/data_1/b33868cc-6609-47a3-8e93-bdd248deb21e-0_0-11931-3171531_20200428015305.parquet
   -rw-r--r--   3 root supergroup    1620704 2020-04-28 01:53 
/wap-olap/data/device/status/data_1/b33868cc-6609-47a3-8e93-bdd248deb21e-0_0-11979-3185103_20200428015315.parquet
   -rw-r--r--   3 root supergroup    1628150 2020-04-28 01:53 
/wap-olap/data/device/status/data_1/b33868cc-6609-47a3-8e93-bdd248deb21e-0_0-12029-3198670_20200428015324.parquet
   -rw-r--r--   3 root supergroup    1631618 2020-04-28 01:53 
/wap-olap/data/device/status/data_1/b33868cc-6609-47a3-8e93-bdd248deb21e-0_0-12083-3212239_20200428015336.parquet
   -rw-r--r--   3 root supergroup    1632733 2020-04-28 01:53 
/wap-olap/data/device/status/data_1/b33868cc-6609-47a3-8e93-bdd248deb21e-0_0-12134-3225805_20200428015346.parquet
   
   error :
   
org.apache.hadoop.hive.shims.HadoopShimsSecure$CombineFileRecordReader.initNextRecordReader(HadoopShimsSecure.java:257)
 ... 11 more Caused by: java.io.FileNotFoundException: File does not exist: 
hdfs://sap-namenode1:8020/wap-olap/data/device/status/data_1/b33868cc-6609-47a3-8e93-bdd248deb21e-0_0-11469-3049440_20200428015127.parquet
 at
   
   ```


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