Questions tagged [amazon-dms]

AWS Database Migration Service (AWS DMS)

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Postgresql v10.1 - How to fix ERROR: duplicate key value violates unique constraint

I'm not sure how this happened to this table but have an issue with ERROR: duplicate key value violates unique constraint trying to use AWS's DMS service to move a postgres v10.1 DB to RDS v10 The ...
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1answer
44 views

AWS DMS: 2 million CDCIncomingChanges resolved without target throughput

We're attempting to use AWS DMS to replicate MS-SQL to a customer's on-prem DB, and running into a confusing situation. At 13:00 UTC there are over 2 million CDCIncomingChanges, with CDCTargetLatency ...
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1answer
120 views

Do not replicate Delete operations AWS DMS

I am using AWS DMS to replicate ongoing changes with SQL Server as a source and target endpoint. The tasks are running and replicating data with low latency. However, I need the tasks configured not ...
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1answer
12 views

Redshift is missing in target database list of AWS SCT Schema Convertion Tool

I want to convert schema of SQL Server database to Amazon Redshift using AWS SCT tool But as target database, Redshift is not listed When I use PostgreSQL compatible with IP address of the cluster, ...
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830 views

AWS DMS Fails with “Command failed to load data with exit error code 1”

I am trying to Migrate my Postgresql RDS to Aurora Postgresql using DMS. All my tasks are failing, and I am unable to understand what can be done to help the tasks progress. The error from cloud ...
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1answer
30 views

AWS DMS - How to select different databases for source and target points for a task

Does aws DMS(Data Migration service) allow to select different databases for source and target points for a task in a replication instance? My source engine is MySQL. example: I want to move table A ...
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178 views

AWS DMS attribute-type list into DynamoDB?

I'm trying to use AWS DMS (Database Migration Service) to load data from a .csv file stored into S3 to AWS DynamoDB. One of the columns (the last one) in the csv file is a list. Sample data: ...
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1answer
240 views

Replication from Amazon's RDS to Postgres via DMS errors out

I have a transactional replication from SQL Server 2008 to RDS SQL Server 2016 in 2014 compatibility mode. This works okay. I now want to replicate this RDS database via DMS to Postgresql. This errors ...
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2answers
1k views

Failure with ongoing replication from SQL Server RDS using AWS DMS

I'm trying to replicate from an SQL Server RDS database using DMS, and running into problems. I am able to load all data from one table into the destination (~1M rows) as a single 'Migrate existing ...
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1answer
3k views

AWS DMS endpoint test connection error

I am trying to migrate Microsoft SQL Server databases from on-premise to an RDS instance. I have created a SQL Server 2014 Express Edition instance in RDS and I have SQL Server 2014 Express Edition on ...
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1answer
593 views

Spike in AWS RDS Oldest Replication Slot lag

Does anyone know about this "Oldest Replication Slot Lag" in AWS RDS? What does it represent? I have a PostgreSQL instance on RDS (with Logical Replication switched on) for transferring data from ...
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1answer
404 views

Create event trigger as non-superuser in Postgres

Is it possible to give a role or a set of attributes to a non-superuser in postgres that would allow the user to create an EVENT TRIGGER? Simple example of what (obviously) doesn't work in psql: =&...
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227 views

Why did the data type of my DB change?

I had PostgreSQL installation in an EC2 instance. I wanted to migrate to RDS and thus used the DMS service. However, I later came to realize that the data type of the columns have been changed. The ...
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2answers
3k views

AWS DMS creates tables with no auto_increment

I am migrating my databases to Amazon's RDS using their DMS tool. Pretty much everything looks great except that columns that were marked as auto_increment on the source database did not get marked ...