cern it department ch-1211 geneva 23 switzerland t lorena lobato pardavila t1s coordination meeting...
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CERN IT Department
CH-1211 Geneva 23
Switzerlandwww.cern.ch/
it
Lorena Lobato Pardavila
T1s Coordination Meeting
Introduction to GoldenGateadministration
CERN IT Department
CH-1211 Geneva 23
Switzerlandwww.cern.ch/
it
Outline
• GoldenGate overview• GoldenGate Architecture• Parameter Files
• Manager• Extract• Data Pump• Replicat
• Setting up GoldenGate processes• Steps to set up GoldenGate replication• Questions
CERN IT Department
CH-1211 Geneva 23
Switzerlandwww.cern.ch/
it
GoldenGate Overview
Introduction to GoldenGate administration3
• Installation
GG home to be installed + additional steps for deployment under RAC
• Configuration
Configuration of each component though parameter files and GG Command Line Interface (GGSCI)
CERN IT Department
CH-1211 Geneva 23
Switzerlandwww.cern.ch/
it
GoldenGate Architecture
Introduction to GoldenGate administration4
Commited changes are captured as they occur by reading the transaction logs
Trail files: Stages and queues data for routing
Applies data with transaction integrity, transforming the data as required
Distribute data for routing to multiple targets
CERN IT Department
CH-1211 Geneva 23
Switzerlandwww.cern.ch/
it
Parameter File: Manager
Introduction to GoldenGate administration 5
• PORT: Port for communication between itself and other local Oracle GoldenGate process
• LAGREPORTMINUTES: To specify the interval at which manager checks for extract and replicat lag
• PURGEOLDEXTRACTS: To control the purging of files from the local trail
• USECHECKPOINTS: Triggers a purge when all processes are finished with a file as indicated by their checkpoints
• MINKEEPDAYS: To set a minimum amount of time to keep data. With USECHECKPOINTS, if checkpoints indicate that a file has been processed completely, it will be purged unless doing so would violate the MINKEEP rules
CERN IT Department
CH-1211 Geneva 23
Switzerlandwww.cern.ch/
it
Parameter File: EXTRACT
Introduction to GoldenGate administration 6
• EXTTRAIL: To specify the path name of the trails• LOGALLSUPCOLS: To control the writing of supplementally logged
columns • TRANLOGOPTIONS: To control the way that Extract interacts with the
transaction log or with the API that passes transaction data• max_sga_size: Controls the amount of shared memory used by the
logmining server• parallelism: Controls the number of processes used by the logmining
server• DDLOPTIONS: To configure aspects of DDL processing• TABLE: It is limited to table-to-table mapping
CERN IT Department
CH-1211 Geneva 23
Switzerlandwww.cern.ch/
it
Parameter File: Data Pump
Introduction to GoldenGate administration 7
• INCLUDE: For using a macro library• RMTHOST: Identify a remote system to which the local Extract process
connects• RMTTRAIL: To specify the location of the remote trail• DISCARDFILE: To specify the discardfile where are rejected records
will be dumped• PASSTHRU: Mode being used for the DP where the name of source and
target objects are identical and no column mapping or filtering is being performed
• TABLE: It is limited to table-to-table mapping
CERN IT Department
CH-1211 Geneva 23
Switzerlandwww.cern.ch/
it
Parameter File: Replicat
Introduction to GoldenGate administration 8
• ASSUMETARGETDEFS: To indicate that the source and target tables are identical, including semantics.
• DISCARDFILE: To specify the discardfile where are rejected records will be dumped
• DBOPTIONS INTEGRATEDPARAMS: To specify database options passing settings for parameters that control the database inbound server within the target
• DDL INCLUDE ALL: Required if replicating DDL operations• MAP: To specify the mapping to be replicated between source and target
database
CERN IT Department
CH-1211 Geneva 23
Switzerlandwww.cern.ch/
it
Setting up GoldenGate processes
Introduction to GoldenGate administration 9
SOURCESOURCE
MANAGERstart mgr
EXTRACTdblogin userid <username>, password <password >
register extract <extract _name> with databaseadd extract <extract _name> , integrated tranlog, begin nowadd exttrail <trail_path>, extract <extract _name> , megabytes <n>start extract <extract _name>
DATA PUMPdblogin userid <username>, password <password >
add extract <extract _name> , exttrailsource <trail_path>add rmttrail <remote_trail_path> , extract <extract _name> , megabytes <n>start extract <extract _name>
CERN IT Department
CH-1211 Geneva 23
Switzerlandwww.cern.ch/
it
Setting up GoldenGate processes
Introduction to GoldenGate administration 10
TARGETTARGET
MANAGER start mgr
REPLICAT
dblogin userid <username>, password <password>
register replicat <replicat_name> databaseadd replicat <replicat_name> integrated, exttrail <remote_trail_path>start replicat <replicat_name>
EDIT PARAMATER FILESEDIT PARAMATER FILES
edit params <process_name>send <extract/replicat> <process_name> , <parameter>
CERN IT Department
CH-1211 Geneva 23
Switzerlandwww.cern.ch/
it
Setting up GoldenGate processes
Introduction to GoldenGate administration 11
OVERVIEWOVERVIEW
info all
CERN IT Department
CH-1211 Geneva 23
Switzerlandwww.cern.ch/
it
Steps to set up GoldenGate replication
Introduction to GoldenGate administration 12
1. Start manager on both systems
2. Create extract process
3. Start extract process
4. Create Data Pump process
5. Create Replicat process
6. Start Data Pump process
7. Copy over replicated schemas to target database (using expdp/impdp)
8. Start Replicat with HANDLECOLLISIONS
9. Remove HANDLECOLLISIONS parameter when replication lag is 0
CERN IT Department
CH-1211 Geneva 23
Switzerlandwww.cern.ch/
it
Questions?
THANKS YOU!
QUESTIONS?