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Questions tagged [aws-dms]

AWS Database Migration Service (AWS DMS) can migrate your data to and from most widely used commercial and open-source databases such as Oracle, PostgreSQL, Microsoft SQL Server, Amazon Redshift, Amazon Aurora, MariaDB, and MySQL. The service supports homogeneous migrations such as Oracle to Oracle, and also heterogeneous migrations between different database platforms, such as Oracle to MySQL. The source or target database must be on an AWS service.

http://docs.aws.amazon.com/dms/latest/userguide/Welcome.html

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Using aws dms to sync 2 s3 buckets cross account

I want to use AWS DMS to sync an S3 bucket in one account to another S3 bucket that belongs to another account. Can I do set it up to do it automatically? I tried to look in the documentation but didn't find any explanation about syncing real-time…
poopy butthole
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DMS is failing sometimes and its not read the data in the next cyle

some time CDC DMS is failing with error 'Failure in resolving stream position by timestamp' I have a DMS CDC task and it will be run every 4 hours. DMS is able to read transaction log and it place the file in s3 for some runs its failing with error…
Naveen Rajan
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How to set the CDC Path of a dms-endpoint of type S3

It appears there is a new property on a source dms endpoint when it is of type s3 bucket. In the image below, there is a CDC Path property, apparently on the endpoint itself. This does not appear to come from --s3-settings CdcPath or the…
Ross Bush
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DB Migration from Azure SQL VM to AWS RDS Postgres with Babelfish enabled

We are migrating an Application from Azure to AWS. We have requirement to migrate a sql server database which exists Azure VM to AWS RDS postgres with Babelfish enabled, we need this to be done near real time or with very limited downtime. We were…
Manjunath
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AWS DMS Mongodb to S3 Getting in Loop Error

I have an AWS migration task that extracts data from mongodb and send to s3 in csv file. After running the tasks for some days, I noticed that DMS was running without errors in the interface but the data was not being updated anymore. Taking a look…
Renan Nogueira
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Migrating date fields (from Oracle) using AWS DMS brings wrong data

I am trying to migrate data from Oracle source to AWS S3 using AWS DMS service and I observed a discrepancy in the data being fetched for DATE datatype fields. Example: `Data at source looks like '0015-08-15T00:00:00.000+0000' and for the same key…
Yogesh Sharma
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AWS DMS migration Task incorrectly showing total rows in source

Im looking at migrating a on-prem mysql database to aurora via DMS. When i run DMS it brings up warnings about several LOB columns in tables. But i thought it would still import all rows if i set it to Full LOB. The task has completed successfully…
Staggerlee011
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Query Setup Error when Testing Endpoint in AWS DMS

I'm getting the following error when trying to test a target connection to a Redshift db using AWS DMS tool: Test Endpoint failed: Application-Status: 1020912, Application-Message: Query setup error The redshift cluster is in the same VPC, subnet…
Paul Bendevis
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sql server retain data from fn_dblog function

I am using AWS DMS to replicate data from MSSQL to Aurora Postgres. After some research, I found out that we need to enable CDC in the SQL server using this documentation. Also, I came to know that DMS queries fn_dblog() to read the logs. As…
Ranjith kumar
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AWS DMS ExpiredToken

I am using DMS migration tasks to push data from my postgres to redshift. The problem I have is that migration goes well up to some point, but then it fails. The only thing I see in the logs is: ExpiredToken: Unable to parse ExceptionName:…
Dariusz Dudziński
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Split one table into multiple tables using AWS DMS or any other way?

Giving an example to explain my scenario - FileA has 100 attributes. FileB has 300 attributes. The attributes in Files A and B can be from multiple tables. These files are present in S3. We are going to import Files A and B into RDS Postgres. Now…
Mayura
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AWS DMS Source Mongo DB target PostgreSQL change data type in transformation rule

I am running a DMS migration task, Source - MongoDB Target - Postgresql One of the integer fields in mongo has 5% values in the string and the rest values in integer data type. After migration to Postgres, the String values are as it is and all…
Aim_headshot
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AWS DMS replication issue on database migration between on-premise to AWS RDS service for SQL Server

Between On-premise SQL server database and the AWS RDS service for SQL Server, I have set up the AWS DMS sync. Having the following problem right now. Kindly help to troubleshoot this issue. What does the error code mean in the below…
satheesh kumar
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AWS DMS add-column transformation

I have the below rule for aws dms replication task. It copies rateattribute table from Test schema to target db sync-test schema. But it doesn't add a new column. { "rules": [ { "rule-type": "transformation", "rule-id":…
Payal
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RDS postgresql older version to Aurora postgresql latest version using DMS?

can we use aws Data Migration Service to migrate RDS postgresql database (older version) to Aurora postgresql latest version?
what's wrong CSE
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