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Time : Ô´Êý¾Ý¿â·¢Éú¸ÃʼþµÄʱ¼ä£¬¼´CommitµÄʱ¼ä¡£

Latency : Ô´Êý¾Ý¿â±ä¸üµ½Ìá½»ÈëKafkaµÄʱ¼äÑÓ³Ù¡£

Seqno : ϵͳ¶ÔÔ´Êý¾Ý¿âÊÂÎñµÄ˳Ðò±àºÅ¡£

EventID : ϵͳ¶ÔÔ´Êý¾Ý¿âÊÂÎñµÄʼþÆðʼλ±àºÅ

Row : ijÊÂÎñÄÚÓ°ÏìµÄÐеÄ˳Ðò±àºÅ£¬ÈçSeqnoΪ1µÄÊÂÎñÖÐÓÐÒ»±ÊInsert²åÈë1ÌõÊý¾Ý£¬Ò»±ÊUpdate¸üе½2ÌõÊý¾Ý£¬×îºóÒ»±ÊDeleteɾ³ýµ½3ÌõÊý¾Ý£¬ÔòRow´Ó1µ½6·Ö±ð´ú±íÕâ6Ðеıä¸üÐòºÅ¡£

Action : INSERT¡¢UPDATE¡¢DELETE¡¢CREATE_TABLE¡¢DROP_TABLEµÈ£¬ÆäÖÐINSERT¡¢UPDATEºÍDELETEËùÓÐÊý¾Ý¿â¾ùÊÊÓã¬ÆäËüÀàActionÔòÓëÏà¹ØÊý¾Ý¿âÓйأ¬OracleÔÝʱûÓÐÆäËüÀàAction¡£

BeforeºÍAfter : ¶ÔÓÚDELETEʼþ£¬Before¿éÌî³äÊý¾Ý£¬ÎÞAfter¿é¡£¶ÔÓÚINSERTʼþ£¬ÎÞBefore¿é£¬After¿éÌî³äÊý¾Ý¡£¶ÔÓÚUPDATEʼþ£¬Before¿éÌî³ä¸üÐÂǰµÄÖµ£¬After¿éÌî³ä¸üкóµÄÖµ¡£

INSERT¿é

{
"Time": "2014-10-10 13:50:52.0",
"Latency": 0,
"Seqno": 1,
"EventID": "my:46460573",
"Row": 1,
"Schema": "CRM",
"Table": "USER",
"Action": "INSERT",
"After": {
"ID": "1",
"Name": "Jim",
"Birthday": "1988-10-09 19:48:10.656",
"Company": "Baifendian",
"Money": "8000"
}
}

UPDATE¿é

{
"Time": "2015-10-10 13:50:52.0",
"Latency": 0,
"Seqno": 2,
"EventID": "my:56460573",
"Row": 1,
"Schema": "CRM",
"Table": "USER",
"Action": "UPDATE",
"Before": {
"ID": "1",
"Name": "Jim",
"Birthday": "1988-10-09 19:48:10.656",
"Company": "Baifendian",
"Money": "8000"
},
"After": {
"ID": "1",
"Name": "Jim",
"Birthday": "2015-10-09 19:48:10.656",
"Company": "Baifendian",
"Money": "10000"
}
}

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Kafka ApplierÅäÖãº

# Kafka applier configuration.
replicator.applier.dbms=com.continuent.tungsten.replicator.applier.KafkaApplier
replicator.applier.dbms.dataSource=global
replicator.applier.dbms.zkConnect=172.24.4.18:2171/kafka
replicator.applier.dbms.kafkaBroker=192.24.4.10:9092,192.24.4.11:9092,192.24.4.12:9092
replicator.applier.dbms.kafkaSerializer=kafka.serializer.StringEncoder
# kafkaTopicPrefix value can be Baifendian.Input. which is categoried by organization unit or system or both.
replicator.applier.dbms.kafkaTopicPrefix=cdc.
# kafkaTopicRotationInterval value can be 1d(Rotate every day), 6h(Rotate every 6 hours),10m(Rotate every 10 minutes) or empty(Never rotate)
replicator.applier.dbms.kafkaTopicRotationInterval=1d

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HDFS ApplierÅäÖãº

# HDFS applier configuration.
replicator.applier.dbms=com.continuent.tungsten.replicator.applier.HdfsApplier
replicator.applier.dbms.dataSource=global
replicator.applier.dbms.hdfsConfURI=
replicator.applier.dbms.hdfsURI=hdfs://hostname:8020
replicator.applier.dbms.hdfsPrefix=/user/hive/warehouse
replicator.applier.dbms.hdfsUser=hdfs
replicator.applier.dbms.hdfsSyncInterval=10
replicator.applier.dbms.hdfsRotationInterval=1d
replicator.applier.dbms.hdfsRotationTimezone=8
replicator.applier.dbms.maxFDs=20
replicator.applier.dbms.hdfsSchemaPrefix=
replicator.applier.dbms.hdfsTablePrefix=chg_
replicator.applier.dbms.fieldDelimiter=\\001
replicator.applier.dbms.lineDelimiter=

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select * from (
select row_number() over(partition by userid order by seqno desc, row desc) as R,*
from USER where time <= '2016-01-01 00:00:00') snapshot
where R= 1 and action <> 'D';

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