Much awaited Oracle GoldenGate for Big Data 12.2 is released
today and it is available for download at OTN.
Let me give you a quick recap on Oracle GoldenGate for Big
Data. Oracle GoldenGate for Big Data streams transactional data into big data
systems in real-time, raising the quality and timeliness of business insights. Oracle
GoldenGate for Big Data offers also provides a flexible and extensible solution
to support all major big data systems.
for Big Data
Architecture – GoldenGate for
Big Data 12.2 versus 12.1
New Features in 18.104.22.168:
New Java based Replicat Process
The advantages of using Java based Replicat process are the following:
You no longer require to define SOURCEDEFS. DDL changes are
automatically replicated to target. For example, if a new column named
“mycolumn“ is added on the source database, it will be automatically replicated
to the target without stopping and reconfiguring Oracle GoldenGate.
Oracle GoldenGate for Big Data can write into any Big Data
targets in various data formats such as delimited text or XML or JSON or Avro
or custom format. This can save users cost and time for staging data in
values supported are “delimitedtext”, “xml”, “json”, “avro” or “avro_row”, “avro_op”
or Custom Format. Extended class
path needs to be included in the config file. <com.yourcompany.YourFormatter
Native Kerberos support is available in the 22.214.171.124
Oracle GoldenGate for Big Data is
able to provide mapping functionally between source table to target table and source
field to target field for HDFS/Hive, HBase, Flume and Kafka. The metadata is
also validated at Hive or using an Avro schema to ensure data correctness.
MAP GG.TCUSTOMER, TARGET GG.TCUSTMER2,
COLMAP (USEDEFAULTS, "cust_code2"=cust_code,"city2"=city);
Kafka as target
Oracle GoldenGate for Big Data can write Logical change
records data to a Kafka topic. Operations such as Insert, Update, Delete and
Primary Key Update can be handled. It can handles native compression such as GZIP
and Snappy in Kafka.
Example of defining Kafka Handler
For more details about new product features, you may refer to Oracle GoldenGate for Big
Data 126.96.36.199 Release Notes and User Documentation.
For more information about Oracle GoldenGate for Big Data.
Feel free to reach out to me for your queries by posting in this blog or tweeting @thomasvengal
Happy Holidays !