rajarshisarkar commented on a change in pull request #4216: URL: https://github.com/apache/iceberg/pull/4216#discussion_r816677175
########## File path: docs/versioned/integrations/aws.md ########## @@ -293,12 +286,26 @@ Read [this AWS documentation](https://docs.aws.amazon.com/AmazonRDS/latest/UserG With all the available options, we offer the following guidance when choosing the right catalog to use for your application: 1. if your organization has an existing Glue metastore or plans to use the AWS analytics ecosystem including Glue, [Athena](https://aws.amazon.com/athena), [EMR](https://aws.amazon.com/emr), [Redshift](https://aws.amazon.com/redshift) and [LakeFormation](https://aws.amazon.com/lake-formation), Glue catalog provides the easiest integration. -2. if your application requires frequent updates to table or high read and write throughput (e.g. streaming write), DynamoDB catalog provides the best performance through optimistic locking. +2. if your application requires frequent updates to table or high read and write throughput (e.g. streaming write), Glue and DynamoDB catalog provides the best performance through optimistic locking. 3. if you would like to enforce access control for tables in a catalog, Glue tables can be managed as an [IAM resource](https://docs.aws.amazon.com/service-authorization/latest/reference/list_awsglue.html), whereas DynamoDB catalog tables can only be managed through [item-level permission](https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/specifying-conditions.html) which is much more complicated. 4. if you would like to query tables based on table property information without the need to scan the entire catalog, DynamoDB catalog allows you to build secondary indexes for any arbitrary property field and provide efficient query performance. 5. if you would like to have the benefit of DynamoDB catalog while also connect to Glue, you can enable [DynamoDB stream with Lambda trigger](https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Streams.Lambda.Tutorial.html) to asynchronously update your Glue metastore with table information in the DynamoDB catalog. 6. if your organization already maintains an existing relational database in RDS or uses [serverless Aurora](https://aws.amazon.com/rds/aurora/serverless/) to manage tables, JDBC catalog provides the easiest integration. +## DynamoDb Lock Manager + +[DynamoDB](https://aws.amazon.com/dynamodb) can be used by HadoopCatalog or HadoopTables, so that for every commit, +the catalog first obtains a lock using a helper DynamoDB table and then try to safely modify the Iceberg table. + Review comment: Thanks, I have made the changes. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
