Goldengate单向数据复制，为了图省事没有配pump，只配了source的extract和target的replicat；实际操作发现gg对大事务的支持还是比streams好一些，streams碰上大事务就只看到SPILL MESSAGES了:
/*源端配置信息*/
GGSCI (rh2.oracle.com) 1> view params mgr
PORT 7809
GGSCI (rh2.oracle.com) 2> view params load1
--extract group--
extract load1
--connection to database--
userid ggate, password ggate
--hostname and port for trail--
rmthost rh3.oracle.com, mgrport 7809
--path and name for trail--
rmttrail /s01/gg
ddl include mapped objname sender.*
table sender.*;
GGSCI (rh2.oracle.com) 4> stats extract load1
Sending STATS request to EXTRACT LOAD1 ...
Start of Statistics at 2010-11-29 17:44:41.
DDL replication statistics (for all trails):
*** Total statistics since extract started ***
Operations 1.00
Mapped operations 1.00
Unmapped operations 0.00
Other operations 0.00
Excluded operations 0.00
Output to /s01/gg:
Extracting from GGATE.GGS_MARKER to GGATE.GGS_MARKER:
*** Total statistics since 2010-11-29 16:22:25 ***
No database operations have been performed.
*** Daily statistics since 2010-11-29 16:22:25 ***
No database operations have been performed.
*** Hourly statistics since 2010-11-29 17:00:00 ***
No database operations have been performed.
*** Latest statistics since 2010-11-29 16:22:25 ***
No database operations have been performed.
Extracting from SENDER.ABC to SENDER.ABC:
*** Total statistics since 2010-11-29 16:22:25 ***
Total inserts 2621440.00
Total updates 0.00
Total deletes 0.00
Total discards 0.00
Total operations 2621440.00
*** Daily statistics since 2010-11-29 16:22:25 ***
Total inserts 2621440.00
Total updates 0.00
Total deletes 0.00
Total discards 0.00
Total operations 2621440.00
*** Hourly statistics since 2010-11-29 17:00:00 ***
No database operations have been performed.
*** Latest statistics since 2010-11-29 16:22:25 ***
Total inserts 2621440.00
Total updates 0.00
Total deletes 0.00
Total discards 0.00
Total operations 2621440.00
End of Statistics.
GGSCI (rh2.oracle.com) 5> info all
Program Status Group Lag Time Since Chkpt
MANAGER RUNNING
EXTRACT RUNNING LOAD1 00:00:00 00:00:08
/*目标端配置信息*/
GSCI (rh3.oracle.com) 1> view params mgr
PORT 7809
USERID ggate, PASSWORD ggate
PURGEOLDEXTRACTS /s01/gg
GGSCI (rh3.oracle.com) 2> view params rep1
--Replicat group --
replicat rep1
--source and target definitions
ASSUMETARGETDEFS
--target database login --
userid ggate, password ggate
--file for dicarded transaction --
discardfile /s01/discard.txt, append, megabytes 10
--ddl support
DDL
--Specify table mapping ---
map sender.*, target receiver.*;
GGSCI (rh3.oracle.com) 3> stats replicat rep1
Sending STATS request to REPLICAT REP1 ...
Start of Statistics at 2010-11-30 02:44:16.
DDL replication statistics:
*** Total statistics since replicat started ***
Operations 1.00
Mapped operations 1.00
Unmapped operations 0.00
Other operations 0.00
Excluded operations 0.00
Errors 0.00
Retried errors 0.00
Discarded errors 0.00
Ignored errors 0.00
Replicating from SENDER.ABC to RECEIVER.ABC:
*** Total statistics since 2010-11-30 01:21:09 ***
Total inserts 2621440.00
Total updates 0.00
Total deletes 0.00
Total discards 0.00
Total operations 2621440.00
*** Daily statistics since 2010-11-30 01:21:09 ***
Total inserts 2621440.00
Total updates 0.00
Total deletes 0.00
Total discards 0.00
Total operations 2621440.00
*** Hourly statistics since 2010-11-30 02:00:00 ***
No database operations have been performed.
*** Latest statistics since 2010-11-30 01:21:09 ***
Total inserts 2621440.00
Total updates 0.00
Total deletes 0.00
Total discards 0.00
Total operations 2621440.00
End of Statistics.
GGSCI (rh3.oracle.com) 4> info all
Program Status Group Lag Time Since Chkpt
MANAGER RUNNING
REPLICAT RUNNING REP1 00:00:00 00:00:01
接着尝试在源库端sender模式下产生一个大事务操作，观察目标段数据同步情况*/
SQL> delete sender.abc;
2621440 rows deleted.
SQL> commit;
Commit complete.
/* commit操作完成前，EXTRACT进程并不会抽取日志 */
Goldengate日志ggserror.log的相关记录:
010-11-29 17:49:49 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000029.
2010-11-29 17:49:50 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000030.
2010-11-29 17:49:51 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000031.
2010-11-29 17:49:53 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000032.
2010-11-29 17:49:54 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000033.
2010-11-29 17:49:55 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000034.
2010-11-29 17:49:56 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000035.
2010-11-29 17:49:57 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000036.
2010-11-29 17:49:58 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000037.
2010-11-29 17:49:59 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000038.
2010-11-29 17:50:00 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000039.
2010-11-29 17:50:01 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000040.
2010-11-29 17:50:03 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000041.
2010-11-29 17:50:04 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000042.
2010-11-29 17:50:05 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000043.
2010-11-29 17:50:06 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000044.
2010-11-29 17:50:07 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000045.
2010-11-29 17:50:08 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000046.
2010-11-29 17:50:09 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000047.
2010-11-29 17:50:10 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000048.
2010-11-29 17:50:11 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000049.
2010-11-29 17:50:13 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000050.
2010-11-29 17:50:14 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000051.
2010-11-29 17:50:15 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000052.
2010-11-29 17:50:16 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000053.
2010-11-29 17:50:17 INFO OGG-01026 Oracle GoldenGate Capture for Oracle, load1.prm: Rolling over remote file /s01/gg000054.
/*产生了26个trail文件*/
/*同时备库端开始陆续应用日志*/
REP1.rpt是rep1 replicat复制进程的文本报告，出现相关内容:
Switching to next trail file /s01/gg000029 at 2010-11-30 02:47:54 due to EOF, with current RBA 9999949
Opened trail file /s01/gg000029 at 2010-11-30 02:47:54
Switching to next trail file /s01/gg000030 at 2010-11-30 02:49:53 due to EOF, with current RBA 9999925
Opened trail file /s01/gg000030 at 2010-11-30 02:49:53
GGSCI (rh3.oracle.com) 6> stats replicat rep1
Sending STATS request to REPLICAT REP1 ...
Start of Statistics at 2010-11-30 02:52:20.
DDL replication statistics:
*** Total statistics since replicat started ***
Operations 1.00
Mapped operations 1.00
Unmapped operations 0.00
Other operations 0.00
Excluded operations 0.00
Errors 0.00
Retried errors 0.00
Discarded errors 0.00
Ignored errors 0.00
Replicating from SENDER.ABC to RECEIVER.ABC:
*** Total statistics since 2010-11-30 01:21:09 ***
Total inserts 2621440.00
Total updates 0.00
Total deletes 208150.00
Total discards 0.00
Total operations 2829590.00
*** Daily statistics since 2010-11-30 01:21:09 ***
Total inserts 2621440.00
Total updates 0.00
Total deletes 208150.00
Total discards 0.00
Total operations 2829590.00
*** Hourly statistics since 2010-11-30 02:00:00 ***
Total inserts 0.00
Total updates 0.00
Total deletes 208150.00
Total discards 0.00
Total operations 208150.00
*** Latest statistics since 2010-11-30 01:21:09 ***
Total inserts 2621440.00
Total updates 0.00
Total deletes 208150.00
Total discards 0.00
Total operations 2829590.00
End of Statistics.
GGSCI (rh3.oracle.com) 7> !
stats replicat rep1
Sending STATS request to REPLICAT REP1 ...
Start of Statistics at 2010-11-30 02:52:26.
DDL replication statistics:
*** Total statistics since replicat started ***
Operations 1.00
Mapped operations 1.00
Unmapped operations 0.00
Other operations 0.00
Excluded operations 0.00
Errors 0.00
Retried errors 0.00
Discarded errors 0.00
Ignored errors 0.00
Replicating from SENDER.ABC to RECEIVER.ABC:
*** Total statistics since 2010-11-30 01:21:09 ***
Total inserts 2621440.00
Total updates 0.00
Total deletes 210767.00
Total discards 0.00
Total operations 2832207.00
*** Daily statistics since 2010-11-30 01:21:09 ***
Total inserts 2621440.00
Total updates 0.00
Total deletes 210767.00
Total discards 0.00
Total operations 2832207.00
*** Hourly statistics since 2010-11-30 02:00:00 ***
Total inserts 0.00
Total updates 0.00
Total deletes 210767.00
Total discards 0.00
Total operations 210767.00
*** Latest statistics since 2010-11-30 01:21:09 ***
Total inserts 2621440.00
Total updates 0.00
Total deletes 210767.00
Total discards 0.00
Total operations 2832207.00
End of Statistics.
/*由以上对replicat进程的统计信息可知其正在应用delete操作*/
Switching to next trail file /s01/gg000031 at 2010-11-30 02:53:26 due to EOF, with current RBA 9999925
Opened trail file /s01/gg000031 at 2010-11-30 02:53:26
Switching to next trail file /s01/gg000032 at 2010-11-30 02:58:28 due to EOF, with current RBA 9999925
Opened trail file /s01/gg000032 at 2010-11-30 02:58:28
[maclean@rh3 s01]$ ls -lh gg00003[1-2]
-rw-rw-rw- 1 maclean oinstall 9.6M Nov 30 02:47 gg000031
-rw-rw-rw- 1 maclean oinstall 9.6M Nov 30 02:47 gg000032
/*由上列trace信息推断，以这样一台双核cpu主频为2.2GHZ的pc机为例，gg应用一个大小为9.6M的trail文件耗时也要将近5分钟(当然这并不准确)。
/*从进程argument可以看到replicate和extract进程的本质是调用了多个配置文件的$GGATE/extract和$GGATE/replicat*/
[maclean@rh3 ~]$ ps -ef|grep repl
maclean 7817 7476 3 01:18 ? 00:03:29
/home/maclean/gg/replicat PARAMFILE /home/maclean/gg/dirprm/rep1.prm
REPORTFILE /home/maclean/gg/dirrpt/REP1.rpt
PROCESSID REP1 USESUBDIRS
[maclean@rh2 dirrpt]$ ps -ef|grep ex
maclean 544 32432 1 16:21 ? 00:01:12
/home/maclean/gg/extract PARAMFILE /home/maclean/gg/dirprm/load1.prm
REPORTFILE /home/maclean/gg/dirrpt/LOAD1.rpt
PROCESSID LOAD1 USESUBDIRS
