LOGTIME là một tham số mới của expdp/impdp được giới thiệu trong Oracle 12c. Tham số này in ra dấu thời gian cho mỗi thao tác xuất dữ liệu trong quá trình sao lưu expdp. Điều này giúp chẩn đoán các vấn đề về hiệu suất hoặc thời gian trôi qua giữa mỗi thao tác xuất dữ liệu. Bạn có thể dễ dàng theo dõi hoặc xác định thời gian cần thiết để xuất một đối tượng cụ thể.
Bạn cần thêm tham số <LOGTIME=> vào lệnh expdp. Nếu bạn không chỉ định tùy chọn LOGTIME , thì mặc định là <LOGTIME=NONE> .
Dưới đây là các giá trị cho tham số LOGTIME trong expdp.
LOGTIME=NONE ---> Đây là giá trị mặc định, nghĩa là dấu thời gian sẽ không được hiển thị trong cả cửa sổ lệnh và tệp nhật ký xuất.
LOGTIME=ALL ---> Lệnh này sẽ hiển thị dấu thời gian cả trong cửa sổ lệnh và tệp nhật ký xuất.
LOGTIME= LOGFILE ---> Lệnh này sẽ chỉ hiển thị dấu thời gian trong tệp nhật ký xuất, chứ không phải trong cửa sổ lệnh.
LOGTIME=STATUS ---> Lệnh này sẽ chỉ hiển thị dấu thời gian trong cửa sổ lệnh, chứ không hiển thị trong tệp nhật ký xuất.
#Execute below command with <LOGTIME=ALL> option. You can see the timestamp is displayed in both command window as well as in log file. C:\Windows\System32>expdp directory=DIR_TEST schemas=test dumpfile=schema.dmp logfile=schema.log LOGTIME=ALL Export: Release 19.0.0.0.0 - Production on Sat Mar 16 00:11:12 2024 Version 19.16.0.0.0 Copyright (c) 1982, 2022, Oracle and/or its affiliates. All rights reserved. Username: test Password: Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production 16-MAR-24 00:11:18.807: Starting "TEST"."SYS_EXPORT_SCHEMA_01": test/******** directory=DIR_TEST schemas=test dumpfile=schema.dmp logfile=schema.log LOGTIME=ALL 16-MAR-24 00:11:21.247: Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA 16-MAR-24 00:11:21.608: Processing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS 16-MAR-24 00:11:22.171: Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS 16-MAR-24 00:11:22.515: Processing object type SCHEMA_EXPORT/STATISTICS/MARKER 16-MAR-24 00:11:22.797: Processing object type SCHEMA_EXPORT/USER 16-MAR-24 00:11:22.922: Processing object type SCHEMA_EXPORT/SYSTEM_GRANT 16-MAR-24 00:11:23.016: Processing object type SCHEMA_EXPORT/ROLE_GRANT 16-MAR-24 00:11:23.109: Processing object type SCHEMA_EXPORT/DEFAULT_ROLE 16-MAR-24 00:11:23.281: Processing object type SCHEMA_EXPORT/TABLESPACE_QUOTA 16-MAR-24 00:11:23.484: Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA 16-MAR-24 00:11:26.299: Processing object type SCHEMA_EXPORT/TABLE/TABLE 16-MAR-24 00:11:27.205: Processing object type SCHEMA_EXPORT/TABLE/COMMENT 16-MAR-24 00:11:30.285: Processing object type SCHEMA_EXPORT/VIEW/VIEW 16-MAR-24 00:11:33.396: Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX 16-MAR-24 00:11:33.615: Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT 16-MAR-24 00:11:40.852: . . exported "TEST"."DEPT" 6.531 KB 5 rows 16-MAR-24 00:11:40.899: . . exported "TEST"."EMP" 6.531 KB 5 rows 16-MAR-24 00:11:42.244: Master table "TEST"."SYS_EXPORT_SCHEMA_01" successfully loaded/unloaded 16-MAR-24 00:11:42.338: ****************************************************************************** 16-MAR-24 00:11:42.338: Dump file set for TEST.SYS_EXPORT_SCHEMA_01 is: 16-MAR-24 00:11:42.338: C:\BACKUP\SCHEMA.DMP 16-MAR-24 00:11:42.385: Job "TEST"."SYS_EXPORT_SCHEMA_01" successfully completed at Sat Mar 16 00:11:42 2024 elapsed 0 00:00:25 In the above command, you can see the timestamp for each export task/activity. #Execute below command with <LOGTIME=LOGFILE> option. You can see the timestamp is not displayed in command window, but it is there in logfile. C:\Windows\System32>expdp directory=DIR_TEST schemas=test dumpfile=schema.dmp logfile=schema.log LOGTIME=LOGFILE Export: Release 19.0.0.0.0 - Production on Sat Mar 16 00:33:05 2024 Version 19.16.0.0.0 Copyright (c) 1982, 2022, Oracle and/or its affiliates. All rights reserved. Username: test Password: Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Starting "TEST"."SYS_EXPORT_SCHEMA_01": test/******** directory=DIR_TEST schemas=test dumpfile=schema.dmp logfile=schema.log LOGTIME=LOGFILE Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA Processing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS Processing object type SCHEMA_EXPORT/STATISTICS/MARKER Processing object type SCHEMA_EXPORT/USER Processing object type SCHEMA_EXPORT/SYSTEM_GRANT Processing object type SCHEMA_EXPORT/ROLE_GRANT Processing object type SCHEMA_EXPORT/DEFAULT_ROLE Processing object type SCHEMA_EXPORT/TABLESPACE_QUOTA Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA Processing object type SCHEMA_EXPORT/TABLE/TABLE Processing object type SCHEMA_EXPORT/TABLE/COMMENT Processing object type SCHEMA_EXPORT/VIEW/VIEW Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT . . exported "TEST"."DEPT" 6.531 KB 5 rows . . exported "TEST"."EMP" 6.531 KB 5 rows Master table "TEST"."SYS_EXPORT_SCHEMA_01" successfully loaded/unloaded ****************************************************************************** Dump file set for TEST.SYS_EXPORT_SCHEMA_01 is: C:\BACKUP\SCHEMA.DMP Job "TEST"."SYS_EXPORT_SCHEMA_01" successfully completed at Sat Mar 16 00:33:36 2024 elapsed 0 00:00:27  #Execute below command with <LOGTIME=STATUS> option. You can see the timestamp is displayed in command window, but it is not there in logfile. C:\Windows\System32>expdp directory=DIR_TEST schemas=test dumpfile=schema.dmp logfile=schema.log LOGTIME=STATUS Export: Release 19.0.0.0.0 - Production on Sat Mar 16 00:37:38 2024 Version 19.16.0.0.0 Copyright (c) 1982, 2022, Oracle and/or its affiliates. All rights reserved. Username: test Password: Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production 16-MAR-24 00:37:43.381: Starting "TEST"."SYS_EXPORT_SCHEMA_01": test/******** directory=DIR_TEST schemas=test dumpfile=schema.dmp logfile=schema.log LOGTIME=STATUS 16-MAR-24 00:37:45.644: Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA 16-MAR-24 00:37:46.022: Processing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS 16-MAR-24 00:37:46.558: Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS 16-MAR-24 00:37:46.905: Processing object type SCHEMA_EXPORT/STATISTICS/MARKER 16-MAR-24 00:37:47.190: Processing object type SCHEMA_EXPORT/USER 16-MAR-24 00:37:47.317: Processing object type SCHEMA_EXPORT/SYSTEM_GRANT 16-MAR-24 00:37:47.411: Processing object type SCHEMA_EXPORT/ROLE_GRANT 16-MAR-24 00:37:47.521: Processing object type SCHEMA_EXPORT/DEFAULT_ROLE 16-MAR-24 00:37:47.710: Processing object type SCHEMA_EXPORT/TABLESPACE_QUOTA 16-MAR-24 00:37:47.913: Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA 16-MAR-24 00:37:50.543: Processing object type SCHEMA_EXPORT/TABLE/TABLE 16-MAR-24 00:37:51.081: Processing object type SCHEMA_EXPORT/TABLE/COMMENT 16-MAR-24 00:37:53.980: Processing object type SCHEMA_EXPORT/VIEW/VIEW 16-MAR-24 00:37:57.118: Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX 16-MAR-24 00:37:57.323: Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT 16-MAR-24 00:38:04.080: . . exported "TEST"."DEPT" 6.531 KB 5 rows 16-MAR-24 00:38:04.133: . . exported "TEST"."EMP" 6.531 KB 5 rows 16-MAR-24 00:38:05.379: Master table "TEST"."SYS_EXPORT_SCHEMA_01" successfully loaded/unloaded 16-MAR-24 00:38:05.448: ****************************************************************************** 16-MAR-24 00:38:05.448: Dump file set for TEST.SYS_EXPORT_SCHEMA_01 is: 16-MAR-24 00:38:05.448: C:\BACKUP\SCHEMA.DMP 16-MAR-24 00:38:05.512: Job "TEST"."SYS_EXPORT_SCHEMA_01" successfully completed at Sat Mar 16 00:38:05 2024 elapsed 0 00:00:23  #Execute below command with <LOGTIME=NONE> option. This is the default option. The timestamp will not be displayed in both command window as well as in log file. C:\Windows\System32>expdp directory=DIR_TEST schemas=test dumpfile=schema.dmp logfile=schema.log LOGTIME=NONE Export: Release 19.0.0.0.0 - Production on Sat Mar 16 00:55:03 2024 Version 19.16.0.0.0 Copyright (c) 1982, 2022, Oracle and/or its affiliates. All rights reserved. Username: test Password: Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Starting "TEST"."SYS_EXPORT_SCHEMA_01": test/******** directory=DIR_TEST schemas=test dumpfile=schema.dmp logfile=schema.log LOGTIME=NONE Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA Processing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS Processing object type SCHEMA_EXPORT/STATISTICS/MARKER Processing object type SCHEMA_EXPORT/USER Processing object type SCHEMA_EXPORT/SYSTEM_GRANT Processing object type SCHEMA_EXPORT/ROLE_GRANT Processing object type SCHEMA_EXPORT/DEFAULT_ROLE Processing object type SCHEMA_EXPORT/TABLESPACE_QUOTA Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA Processing object type SCHEMA_EXPORT/TABLE/TABLE Processing object type SCHEMA_EXPORT/TABLE/COMMENT Processing object type SCHEMA_EXPORT/VIEW/VIEW Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT . . exported "TEST"."DEPT" 6.531 KB 5 rows . . exported "TEST"."EMP" 6.531 KB 5 rows Master table "TEST"."SYS_EXPORT_SCHEMA_01" successfully loaded/unloaded ****************************************************************************** Dump file set for TEST.SYS_EXPORT_SCHEMA_01 is: C:\BACKUP\SCHEMA.DMP Job "TEST"."SYS_EXPORT_SCHEMA_01" successfully completed at Sat Mar 16 00:55:31 2024 elapsed 0 00:00:24  |
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