6 System Requirements For InfoSphere CDC For InfoSphere DataStage . - IBM

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InfoSphere CDC for InfoSphere DataStage (Version 10.2)3About InfoSphere CDC and InfoSphere CDC Management Console6System requirements for InfoSphere CDC for InfoSphere DataStage9Hardware and software requirements10Running in a virtualization environment11Disk space requirements12RAM requirements13Port requirements14Before you install InfoSphere CDC for InfoSphere DataStage15Required user accounts16Using the auto-start option with the Direct Connect connection method17Assessing disk space and memory requirements18Understanding the importance of an appropriately configured disk subsystem19Understanding the InfoSphere CDC memory footprint20Creating queues in JMS providers21Using the Hadoop Distributed File System (HDFS) with InfoSphere CDC for InfoSphere DataStage22Installing or upgrading InfoSphere CDC for InfoSphere DataStageInstalling InfoSphere CDC for InfoSphere DataStage using an interactive installationTo install InfoSphere CDC for InfoSphere DataStage (Windows)To install InfoSphere CDC for InfoSphere DataStage (UNIX and Linux)To override the locale for the installation (UNIX and Linux)Installing InfoSphere CDC for InfoSphere DataStage using a silent installationTo perform a silent installation of InfoSphere CDC for InfoSphere DataStage (UNIX and Linux)Upgrading InfoSphere CDC for InfoSphere DataStageTo upgrade InfoSphere CDC for InfoSphere DataStage (Windows)To upgrade InfoSphere CDC for InfoSphere DataStage (UNIX and Linux)Configuring InfoSphere CDC for InfoSphere DataStage (Windows)Configuring InfoSphere CDC for InfoSphere DataStage instances (Windows)To add a new instance of InfoSphere CDC for InfoSphere DataStage (Windows)To edit an instance of InfoSphere CDC for InfoSphere DataStage (Windows)To delete an instance of InfoSphere CDC for InfoSphere DataStage (Windows)Configuring InfoSphere CDC (UNIX and Linux)Configuring InfoSphere CDC instances (UNIX and Linux)To add a new instance of InfoSphere CDC for InfoSphere DataStage (UNIX and Linux)To edit an instance of InfoSphere CDC for InfoSphere DataStage (UNIX and Linux)To delete an instance of InfoSphere CDC for InfoSphere DataStage (UNIX and Linux)After you install and configure InfoSphere CDC for InfoSphere DataStageUsing InfoSphere CDC with IBM InfoSphere DataStageStarting InfoSphere CDC for InfoSphere DataStageTo start InfoSphere CDC for InfoSphere DataStage (Windows)To start InfoSphere CDC for InfoSphere DataStage (UNIX and Linux)Stopping InfoSphere CDC for InfoSphere DataStageTo stop InfoSphere CDC for InfoSphere DataStage (Windows)To stop InfoSphere CDC for InfoSphere DataStage (UNIX and Linux)Specifying the InfoSphere DataStage record format in Management ConsoleMaintaining active TCP connections in a network 051525657585960616263

To maintain active TCP connectionsData types supported by InfoSphere CDC for InfoSphere DataStageSystem parameters for InfoSphere CDC for InfoSphere DataStageCommands for InfoSphere CDC for InfoSphere DataStageUsing the InfoSphere CDC for InfoSphere DataStage commandsSetting the TSINSTANCE environment variableDatabase transaction log commandsdmshowbookmark - Display bookmark informationExporting and importing configuration commandsdmexportconfiguration - Export InfoSphere CDC Configurationdmimportconfiguration - Import InfoSphere CDC ConfigurationMonitoring replication commandsdmclearevents - Clear eventsdmshowevents - Display InfoSphere CDC eventsOther commandsdmbackupmd - Back up metadatadmconfigurets - Configure InfoSphere CDCdmset - Set InfoSphere CDC system parameterdmshowversion - Show InfoSphere CDC versiondmshutdown - Shut down InfoSphere CDCdmsupportinfo - Collect IBM Support informationdmterminate - Terminate InfoSphere CDC processesdmts32 - Start InfoSphere CDCdmts64 - Start InfoSphere CDCdmmdconsoledmmdcommanderCustom data formats for InfoSphere CDC for InfoSphere DataStageSample custom data formatsTo compile the sample custom data formats (Windows)To compile the sample Java class user exits (UNIX and Linux)InfoSphere CDC API reference - JavadocsUninstalling InfoSphere CDC for InfoSphere DataStageTo uninstall InfoSphere CDC for InfoSphere DataStage (Windows)To uninstall InfoSphere CDC for InfoSphere DataStage (UNIX and Linux)TroubleshootingUsing the IBM Support Assistant (ISA DC)To use ISA DC to collect data for a product problem (command line)To use ISA DC to collect data for a product problem (GUI)To use ISA DC to collect data for a question or an enhancement request (command line)To use ISA DC to collect data for a question or an enhancement request (GUI)Locating log filesTroubleshooting and contacting IBM 3

IBM InfoSphere Change Data Capture, Version 10.2About InfoSphere CDC and InfoSphere CDCManagement ConsoleIBM InfoSphere Change Data Capture (InfoSphere CDC) is a replication solutionthat captures database changes as they happen and delivers them to targetdatabases, message queues, or an ETL solution such as InfoSphere DataStage based on table mappings configured in the InfoSphere CDCManagement ConsoleGUI application.InfoSphere CDC provides low impact capture and fast delivery of data changes forkey information management initiatives including dynamic data warehousing, masterdata management, application consolidations or migrations, operational BI, andenabling SOA projects. InfoSphere CDC also helps reduce processing overheadsand network traffic by only sending the data that has changed. Replication can becarried out continuously or periodically. When data is transferred from a sourceserver, it can be remapped or transformed in the target environment.The following diagram illustrates the key components of InfoSphere CDC.The key components of the InfoSphere CDC architecture are described below:- Access Server—Controls all of the non-command line access to the replicationenvironment. When you log in to Management Console, you are connecting toAccess Server. Access Server can be closed on the client workstation withoutaffecting active data replication activities between source and target servers.- Admin API—Operates as an optional Java -based programming interface thatyou can use to script operational configurations or interactions.- Apply agent—Acts as the agent on the target that processes changes as sent bythe source.- Command line interface—Allows you to administer datastores and useraccounts, as well as to perform administration scripting, independent ofManagement Console.- Communication Layer (TCP/IP)—Acts as the dedicated network connectionbetween the Source and the Target.3

- Source and Target Datastore—Represents the data files and InfoSphere CDCinstances required for data replication. Each datastore represents a database towhich you want to connect and acts as a container for your tables. Tables madeavailable for replication are contained in a datastore.- Management Console—Allows you to configure, monitor and manage replicationon various servers, specify replication parameters, and initiate refresh andmirroring operations from a client workstation. Management Console also allowsyou to monitor replication operations, latency, event messages, and other statisticssupported by the source or target datastore. The monitor in Management Consoleis intended for time-critical working environments that require continuous analysisof data movement. After you have set up replication, Management Console can beclosed on the client workstation without affecting active data replication activitiesbetween source and target servers.- Metadata—Represents the information about the relevant tables, mappings,subscriptions, notifications, events, and other particulars of a data replicationinstance that you set up.- Mirror—Performs the replication of changes to the target table or accumulation ofsource table changes used to replicate changes to the target table at a later time. Ifyou have implemented bidirectional replication in your environment, mirroring canoccur to and from both the source and target tables.- Refresh—Performs the initial synchronization of the tables from the sourcedatabase to the target. This is read by the Refresh reader.- Replication Engine—Serves to send and receive data. The process that sendsreplicated data is the Source Capture Engine and the process that receivesreplicated data is the Target Engine. An InfoSphere CDC instance can operate asa source capture engine and a target engine simultaneously.- Single Scrape—Acts as a source-only log reader and a log parser component. Itchecks and analyzes the source database logs for all of the subscriptions on theselected datastore. Not all InfoSphere CDC engines use Single Scrape. ForInfoSphere CDC for DB2 for i, there is a Scraper job (that acts as a log reader)and a Mirror job that performs the function of mirroring (see Mirror above).- Source transformation engine—Processes row filtering, critical columns, columnfiltering, encoding conversions, and other data to propagate to the target datastoreengine.- Source database logs—Maintained by the source database for its own recoverypurposes. The InfoSphere CDC log reader inspects these in the mirroring process,but filters out the tables that are not in scope for replication.- Target transformation engine—Processes data and value translations, encodingconversions, user exits, conflict detections, and other data on the target datastoreengine.There are two types of target-only destinations for replication that are notdatabases:- JMS Messages—Acts as a JMS message destination (queue or topic) for rowlevel operations that are created as XML documents.- InfoSphere DataStage—Processes changes delivered from InfoSphere CDC thatcan be used by InfoSphere DataStage jobs.4

Related information:Supported sources and targets5

IBM InfoSphere Change Data Capture, Version 10.2About InfoSphere CDC and InfoSphere CDCManagement ConsoleIBM InfoSphere Change Data Capture (InfoSphere CDC) is a replication solutionthat captures database changes as they happen and delivers them to targetdatabases, message queues, or an ETL solution such as InfoSphere DataStage based on table mappings configured in the InfoSphere CDCManagement ConsoleGUI application.InfoSphere CDC provides low impact capture and fast delivery of data changes forkey information management initiatives including dynamic data warehousing, masterdata management, application consolidations or migrations, operational BI, andenabling SOA projects. InfoSphere CDC also helps reduce processing overheadsand network traffic by only sending the data that has changed. Replication can becarried out continuously or periodically. When data is transferred from a sourceserver, it can be remapped or transformed in the target environment.The following diagram illustrates the key components of InfoSphere CDC.The key components of the InfoSphere CDC architecture are described below:- Access Server—Controls all of the non-command line access to the replicationenvironment. When you log in to Management Console, you are connecting toAccess Server. Access Server can be closed on the client workstation withoutaffecting active data replication activities between source and target servers.- Admin API—Operates as an optional Java -based programming interface thatyou can use to script operational configurations or interactions.- Apply agent—Acts as the agent on the target that processes changes as sent bythe source.- Command line interface—Allows you to administer datastores and useraccounts, as well as to perform administration scripting, independent ofManagement Console.- Communication Layer (TCP/IP)—Acts as the dedicated network connectionbetween the Source and the Target.6

- Source and Target Datastore—Represents the data files and InfoSphere CDCinstances required for data replication. Each datastore represents a database towhich you want to connect and acts as a container for your tables. Tables madeavailable for replication are contained in a datastore.- Management Console—Allows you to configure, monitor and manage replicationon various servers, specify replication parameters, and initiate refresh andmirroring operations from a client workstation. Management Console also allowsyou to monitor replication operations, latency, event messages, and other statisticssupported by the source or target datastore. The monitor in Management Consoleis intended for time-critical working environments that require continuous analysisof data movement. After you have set up replication, Management Console can beclosed on the client workstation without affecting active data replication activitiesbetween source and target servers.- Metadata—Represents the information about the relevant tables, mappings,subscriptions, notifications, events, and other particulars of a data replicationinstance that you set up.- Mirror—Performs the replication of changes to the target table or accumulation ofsource table changes used to replicate changes to the target table at a later time. Ifyou have implemented bidirectional replication in your environment, mirroring canoccur to and from both the source and target tables.- Refresh—Performs the initial synchronization of the tables from the sourcedatabase to the target. This is read by the Refresh reader.- Replication Engine—Serves to send and receive data. The process that sendsreplicated data is the Source Capture Engine and the process that receivesreplicated data is the Target Engine. An InfoSphere CDC instance can operate asa source capture engine and a target engine simultaneously.- Single Scrape—Acts as a source-only log reader and a log parser component. Itchecks and analyzes the source database logs for all of the subscriptions on theselected datastore. Not all InfoSphere CDC engines use Single Scrape. ForInfoSphere CDC for DB2 for i, there is a Scraper job (that acts as a log reader)and a Mirror job that performs the function of mirroring (see Mirror above).- Source transformation engine—Processes row filtering, critical columns, columnfiltering, encoding conversions, and other data to propagate to the target datastoreengine.- Source database logs—Maintained by the source database for its own recoverypurposes. The InfoSphere CDC log reader inspects these in the mirroring process,but filters out the tables that are not in scope for replication.- Target transformation engine—Processes data and value translations, encodingconversions, user exits, conflict detections, and other data on the target datastoreengine.There are two types of target-only destinations for replication that are notdatabases:- JMS Messages—Acts as a JMS message destination (queue or topic) for rowlevel operations that are created as XML documents.- InfoSphere DataStage—Processes changes delivered from InfoSphere CDC thatcan be used by InfoSphere DataStage jobs.7

Related information:Supported sources and targets8

IBM InfoSphere Change Data Capture, Version 10.2System requirements for InfoSphere CDC forInfoSphere DataStage Before you install InfoSphere CDC, ensure that the system you choose meets thenecessary operating system, hardware, software, communications, disk, andmemory requirements.In this section, you will learn:- Hardware and software requirements- Running in a virtualization environment- Disk space requirements- RAM requirements- Port requirements9

IBM InfoSphere Change Data Capture, Version 10.2Hardware and software requirementsClick the following links to view hardware and software requirements forInfoSphere CDC, Management Console, and Access Server:Linux, UNIX, Windows and System i replication engines: https://ibm.biz/BdxyzEMainframe replication engine: https://ibm.biz/Bdxyd510

IBM InfoSphere Change Data Capture, Version 10.2Running in a virtualization environmentThe InfoSphere CDC products adhere to the Virtualization Policy for IBM Software and can be run in any virtualization environment for only the supportedoperating systems and versions listed specifically within IBMInfoSphere DataReplication System Requirements.For more information on the policy, see on policy.html11

IBM InfoSphere Change Data Capture, Version 10.2Disk space requirementsDisk spaceInfoSphere CDC target system:5 GB—For installation files, dataqueues, and log files.Global disk quota—Disk space is requiredon your target system for this quota which is used to store LOBdata received from your InfoSphere CDC source system. Theamount of disk space required is determined by your replicationenvironment and the amount of LOB data you are replicating. Toimprove performance, InfoSphere CDC will only persist LOB datato disk if RAM is not available on your target system. Use themirror global disk quota gb system parameter to configure theamount of disk space used by this quota.12

IBM InfoSphere Change Data Capture, Version 10.2RAM requirementsRAMEach instance of InfoSphere CDC requires memory for theJava Virtual Machine (JVM). The following default values formemory are assigned:1024 MB of RAM —Default value for each 64-bit instance ofInfoSphere CDC. 512 MB of RAM—Default value for each 32-bitinstance of InfoSphere CDC.Use the InfoSphere CDCconfiguration tool to configure the memory for each instance ofInfoSphere CDC.Although InfoSphere CDC memory requirements will fluctuate, you must work withyour system administrator to ensure the allocated memory for each instance of theproduct is available at all times. This may involve deployment planning since otherapplications with memory requirements may be installed on the same server withInfoSphere CDC. Using values other than the defaults or allocating more RAM thanis physically available on your server should only be undertaken after consideringthe impacts on product performance.13

IBM InfoSphere Change Data Capture, Version 10.2Port requirementsInfoSphere CDC requires that you allocate a port for communication with clientworkstations running Management Console and other servers. The port must beaccessible through a firewall, although you do not require access to the Internet.ProtocolTCPDefault port10401PurposeAccepts s ofInfoSphere CDC as asource ofreplicationCommandline utilitiesRelated concepts:Maintaining active TCP connections in a network environment14

IBM InfoSphere Change Data Capture, Version 10.2Before you install InfoSphere CDC for InfoSphereDataStage This section contains information on the tasks that you must complete beforeinstalling InfoSphere CDC. This section assumes that you have met all of thehardware, software, database, and port requirements. You must complete all of thetasks below before installing InfoSphere CDC.In this section, you will learn:- Required user accounts- Using the auto-start option with the Direct Connect connection method- Assessing disk space and memory requirements- Understanding the importance of an appropriately configured disk subsystem- Understanding the InfoSphere CDC memory footprint- Creating queues in JMS providers- Using the Hadoop Distributed File System (HDFS) with InfoSphere CDC forInfoSphere DataStage15

IBM InfoSphere Change Data Capture, Version 10.2Required user accountsSetting up a Windows user accountIf you are installing InfoSphere CDC on a Windows system, you must set up anew, or decide on an existing Windows account that you will use to install, configure,or upgrade InfoSphere CDC.Setting up a UNIX user accountWhen you are installing InfoSphere CDC on a UNIX machine, you must set up anew, or decide on an existing UNIX account that you will use to install, configure, orupgrade InfoSphere CDC. You can install InfoSphere CDC in the directory of yourchoice, however, it must be owned by the UNIX account.16

IBM InfoSphere Change Data Capture, Version 10.2Using the auto-start option with the Direct Connectconnection methodInfoSphere CDC for InfoSphere DataStage offers two connections methods forsubscriptions in Management Console: Flat File and Direct Connect.The Direct Connect method has an auto-start option that allows you to start theInfoSphere DataStage job from InfoSphere CDC. If you will be using this option, youwill need to ensure the followingThe dsenv script must be executed before creating and starting theInfoSphere CDC for InfoSphere DataStage instance.The user account to start the InfoSphere CDC for InfoSphereDataStage instance must belong to the datastage group.The user account to start the InfoSphere CDC for InfoSphereDataStage instance must be a system account.17

IBM InfoSphere Change Data Capture, Version 10.2Assessing disk space and memory requirementsInfoSphere CDC requires disk space and memory when it processes change datafrom your source database. In order to process change data efficiently and replicatethese changes to your target system, it is very important that InfoSphere CDC hasadequate disk space and memory for each of the components described in thissection.Memory requirements for the JVM (Java Virtual Machine)As a Java-based product, InfoSphere CDC requires you to allocate the maximumamount of memory (RAM) to be used by the Java Virtual Machine (JVM). Thisprevents InfoSphere CDC from using all of the available memory on the systemwhere it is installed.The Maximum Memory Allowed value is set on a per-instance basis for eachinstance you create for your target database. In most cases the default values areappropriate for 32-bit and 64-bit instances. However, if your database is processingan extremely heavy workload, you may have to adjust the default values. The RAMallocated must be physically available on your system.Disk space requirements for the global disk quotaDisk space is required on your target system for this quota which is used to store inscope change data that has not been committed in your database. The amount ofdisk space required is determined by your replication environment and the workloadof your source database.You can configure the amount disk space that is allocated to this quota with themirror global disk quota gb system parameter. The default setting of this systemparameter is such that InfoSphere CDC will only stop replicating after this disk quotaexhausts all available disk space on your system. If you would prefer InfoSphereCDC to stop replicating after it uses a specific amount of disk space, you can specifythe value with this system parameter in Management Console.18

IBM InfoSphere Change Data Capture, Version 10.2Understanding the importance of an appropriatelyconfigured disk subsystemThere are many types of disk subsystems in use to meet either business orperformance needs. Not all of these disk subsystems are suitable for use bydatabases or InfoSphere Data Replication out of the box. Some may need to betuned to ensure that appropriate input/output semantics are in place for reliablecontinuous operation.Symptoms of an unreliable disk subsystemWithout appropriate disk subsystem configuration, both the database itself orInfoSphere Data Replication may exhibit any of a wide variety of input/output relatederrors, usually random in nature. Any one of them can stop replication. If thedatabase transaction logs themselves become corrupted due to this kind ofmisconfiguration, then the database itself may become unrecoverable, putting theentire business at risk. Having an appropriately configured disk subsystem istherefore essential to the operation of both database and InfoSphere DataReplication.What makes a disk subsystem unreliable?Typically, disk mounting options that interfere with or modify the read visibility ofwrite operations are the ones which will cause data to be read inaccurately, therebycausing applications such as databases and InfoSphere Data Replication to reporterrors and fail. The expectations of these semantics between the database andInfoSphere Data Replication must be compatible with those provided by the optionsused to mount the disk subsystem in order to avoid corruption issues. Somedatabases exhibit specific behaviors only with certain disk subsystem types, soproper care and attention is needed to properly configure the disk subsystem.Special notes regarding specific configurationsDirect I/O on Linux—Due to the nature of the implementation of direct I/O (directio)on Linux, applications that read from files being written using direct I/O must employexactly the same direct I/O options as the writing application. If this is not done, thereading application may not ever see the data written by the writing application andthe reading application can therefore exhibit a stall. Linux versions of InfoSphereCDC prior to version 6.5.1 Interim Fix 17 for Oracle, version 6.5.2 Interim Fix 20 forOracle, and InfoSphere Data Replication versions prior to 10.2 for Oracle andSybase can exhibit this behaviour under certain conditions. The best resolution is toupgrade to the latest Interim Fix level for InfoSphere CDC or to version 10.2 or laterfor InfoSphere Data Replication.19

IBM InfoSphere Change Data Capture, Version 10.2Understanding the InfoSphere CDC memoryfootprintCurrent versions of InfoSphere CDC on Linux, UNIX, and Windows platforms arewritten in the Java programming language. The memory specified in theInfoSphere CDC configuration tool refers to the amount of memory that the JavaVirtual Machine (JVM) will allocate to InfoSphere CDC to run. This memory is strictlyenforced by the JVM itself and the JVM will ensure that it is not exceeded.The JVM itself also consumes some memory. The amount of this other memoryvaries considerably by Java version, bit length, and operating system. A simple Javaprogram consumes 13212 KB of overhead when run in a 32-bit Java 1.5 JVM onAIX , but 173509 KB of overhead when run in a 32-bit Java 1.5 JVM on Linux. Inother words, the overhead on Linux is 13 times larger than the overhead on AIX,when controlling for the other variables.The amount of memory overhead consumed by the JVM itself can also change overtime. This is especially true for Linux and UNIX systems. For those systems, oncethe operating system allocates memory to a process, it is not reclaimed until theprocess ends. Thus, the total amount of memory for any given process never goesdown.Given these factors, you should expect that more memory is used by InfoSphereCDC than is allocated in the configuration tool. InfoSphere CDC has no control overthis memory usage and cannot track or otherwise manage it.20

IBM InfoSphere Change Data Capture, Version 10.2Creating queues in JMS providersIf you choose to use a JMS provider as the communications protocol forInfoSphere CDC, you will need to define the queues to be used by InfoSphereCDC before you attempt to configure an instance.The queues will need to be named in the format CDC port , where port is thefive digit TCP listening port number of the instance. You can left pad the numberwith zeroes if necessary to ensure five digits (example, CDC 00123).Each InfoSphere CDC instance will require its own queue. Instances cannot share aqueue.When you create the queue, you must ensure that they are defined to holdmessages of the type BytesMessage.21

IBM InfoSphere Change Data Capture, Version 10.2Using the Hadoop Distributed File System (HDFS)with InfoSphere CDC for InfoSphere DataStageInfoSphere CDC for InfoSphere DataStage version 10.2 Interim Fix 2 and latersupports specifying a Hadoop Distributed File System (HDFS) directory as theoutput directory for flat files.All paths starting with "hdfs://" will be treated as HDFS paths.When an HDFS path has been specified the following configuration options musthave been set:- The path for the Hadoop JAR file is specified in the CLASSPATH environmentvariable- The environment parameter HADOOP CONF DIR must be set to point to adirectory containing the target Hadoop cluster configuration files.InfoSphere CDC supplies a user exit to customize the data that is being generatedby InfoSphere CDC and sent to InfoSphere DataStage. You should employ thisoption when replicating to HDFS.Related concepts:Custom data formats for InfoSphere CDC for InfoSphere DataStage22

IBM InfoSphere Change Data Capture, Version 10.2Installing or upgrading InfoSphere CDC forInfoSphere DataStage Before attempting to install or upgrade InfoSphere CDC, consult the database,operating system and hardware requirements for the specific version of the softwarethat you want to install, to ensure that it is compatible with your system.If you are upgrading to a later version or installing a fix pack, an installation ofInfoSphere CDC must already be present in order to successfully complete theprocess.In this section, you will learn:- Installing InfoSphere CDC for InfoSphere DataStage using an interactiveinstallation- Installing InfoSphere CDC for InfoSphere DataStage using a silent installation- Upgrading InfoSphere CDC for InfoSphere DataStageYou can upgrade InfoSphere CDC by installing a later version of the software overtop of an existing installation.Related concepts:Before you install InfoSphere CDC for InfoSphere DataStage23

IBM InfoSphere Change Data Capture, Version 10.2Installing InfoSphere CDC for InfoSphereDataStage using an interactive installationNote the following before you install or upgrade InfoSphere CDC on Linux or UNIX:- Do not install or upgrade InfoSphere CDC as a root user.- The installation directory requires file system permissions of 700 if you plan to usethe same user account to install the product, create and configure instances, orupgrade the product.- The installation directory requires file system permissions of 770 if you plan to usedifferent user accounts to install the product, create and configure instances, orupgrade the product.Note: Ensure that the installed version of the Management Console and AccessServer applications are eith

InfoSphere DataStage—Processes changes delivered from InfoSphere CDC that can be used by InfoSphere DataStage jobs. 4. Related information: Supported sources and targets 5-----IBM InfoSphere Change Data Capture, Version 10.2 About InfoSphere CDC and InfoSphere CDC Management Console

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