How to start DMS CDC for DB2 to Oracle database using LRI ?

 

We can fix the CDC issue by settings in AWS DMS attribute  

Query to get boundary values - DB2

 

SELECT '["' || Max(LONGDESCRIPTIONID) || '"],' /*, COUNT(*)*/

FROM ( SELECT LONGDESCRIPTIONID, NTILE(30) OVER (ORDER BY LONGDESCRIPTIONID) AS nt FROM MAXIMO.LONGDESCRIPTION ) AS subquery

GROUP BY nt

ORDER BY nt;

How to modify JSON DMS task for load data using limited LOB - AWS

 JSON DMS task for load data using limited LOB - AWS  

{

    "Logging": {

        "EnableLogging": true,

        "EnableLogContext": true,

        "LogComponents": [

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "TRANSFORMATION"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "SOURCE_UNLOAD"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "IO"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "TARGET_LOAD"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "PERFORMANCE"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "SOURCE_CAPTURE"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "SORTER"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "REST_SERVER"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "VALIDATOR_EXT"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "TARGET_APPLY"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "TASK_MANAGER"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "TABLES_MANAGER"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "METADATA_MANAGER"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "FILE_FACTORY"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "COMMON"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "ADDONS"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "DATA_STRUCTURE"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "COMMUNICATION"

            },

            {

                "Severity": "LOGGER_SEVERITY_DEFAULT",

                "Id": "FILE_TRANSFER"

            }

        ],

        "LogConfiguration": {

            "TraceOnErrorMb": 10,

            "EnableTraceOnError": false

        },

        "CloudWatchLogGroup": "dms-tasks-fenv2-ibm-maximo-windows-dms-ri-lg2x",

        "CloudWatchLogStream": "dms-task-SELZLHKDZ5CIDLRD7XZKV3FU4A"

    },

    "StreamBufferSettings": {

        "StreamBufferCount": 12,

        "CtrlStreamBufferSizeInMB": 8,

        "StreamBufferSizeInMB": 16

    },

    "ErrorBehavior": {

        "FailOnNoTablesCaptured": true,

        "ApplyErrorUpdatePolicy": "LOG_ERROR",

        "FailOnTransactionConsistencyBreached": false,

        "RecoverableErrorThrottlingMax": 1800,

        "DataErrorEscalationPolicy": "SUSPEND_TABLE",

        "ApplyErrorEscalationCount": 0,

        "RecoverableErrorStopRetryAfterThrottlingMax": true,

        "RecoverableErrorThrottling": true,

        "ApplyErrorFailOnTruncationDdl": false,

        "DataTruncationErrorPolicy": "LOG_ERROR",

        "ApplyErrorInsertPolicy": "LOG_ERROR",

        "EventErrorPolicy": "IGNORE",

        "ApplyErrorEscalationPolicy": "LOG_ERROR",

        "RecoverableErrorCount": -1,

        "DataErrorEscalationCount": 0,

        "TableErrorEscalationPolicy": "STOP_TASK",

        "RecoverableErrorInterval": 5,

        "ApplyErrorDeletePolicy": "IGNORE_RECORD",

        "TableErrorEscalationCount": 0,

        "FullLoadIgnoreConflicts": true,

        "DataErrorPolicy": "LOG_ERROR",

        "TableErrorPolicy": "SUSPEND_TABLE"

    },

    "TTSettings": {

        "TTS3Settings": null,

        "TTRecordSettings": null,

        "EnableTT": false

    },

    "FullLoadSettings": {

        "CommitRate": 50000,

        "StopTaskCachedChangesApplied": false,

        "StopTaskCachedChangesNotApplied": false,

        "MaxFullLoadSubTasks": 45,

        "TransactionConsistencyTimeout": 600,

        "CreatePkAfterFullLoad": false,

        "TargetTablePrepMode": "TRUNCATE_BEFORE_LOAD"

    },

    "TargetMetadata": {

        "ParallelApplyBufferSize": 0,

        "ParallelApplyQueuesPerThread": 0,

        "ParallelApplyThreads": 0,

        "TargetSchema": "maximo",

        "InlineLobMaxSize": 0,

        "ParallelLoadQueuesPerThread": 0,

        "SupportLobs": true,

        "LobChunkSize": 0,

        "TaskRecoveryTableEnabled": false,

        "ParallelLoadThreads": 0,

        "LobMaxSize": 32,

        "BatchApplyEnabled": false,

        "FullLobMode": false,

        "LimitedSizeLobMode": true,

        "LoadMaxFileSize": 0,

        "ParallelLoadBufferSize": 0

    },

    "BeforeImageSettings": null,

    "ControlTablesSettings": {

        "historyTimeslotInMinutes": 5,

        "HistoryTimeslotInMinutes": 5,

        "StatusTableEnabled": false,

        "SuspendedTablesTableEnabled": false,

        "HistoryTableEnabled": false,

        "ControlSchema": "",

        "FullLoadExceptionTableEnabled": false

    },

    "LoopbackPreventionSettings": null,

    "CharacterSetSettings": null,

    "FailTaskWhenCleanTaskResourceFailed": false,

    "ChangeProcessingTuning": {

        "StatementCacheSize": 100,

        "CommitTimeout": 1,

        "RecoveryTimeout": -1,

        "BatchApplyPreserveTransaction": true,

        "BatchApplyTimeoutMin": 1,

        "BatchSplitSize": 0,

        "BatchApplyTimeoutMax": 30,

        "MinTransactionSize": 1000,

        "MemoryKeepTime": 1000,

        "BatchApplyMemoryLimit": 500,

        "MemoryLimitTotal": 32768

    },

    "ChangeProcessingDdlHandlingPolicy": {

        "HandleSourceTableDropped": true,

        "HandleSourceTableTruncated": true,

        "HandleSourceTableAltered": true

    },

    "PostProcessingRules": null

}

How to get max LOB size in column - DB2 database

 

SELECT MAX(LENGTHB(LOB_COLUMN)) FROM TABLE;