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Amazon OpenSearch Service Under the Hood : OpenSearch Optimized Instances(OR1)

AWS Big Data

Amazon OpenSearch Service recently introduced the OpenSearch Optimized Instance family (OR1), which delivers up to 30% price-performance improvement over existing memory optimized instances in internal benchmarks, and uses Amazon Simple Storage Service (Amazon S3) to provide 11 9s of durability.

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In-place version upgrades for applications on Amazon Managed Service for Apache Flink now supported

AWS Big Data

For existing users of Amazon Managed Service for Apache Flink who are excited about the recent announcement of support for Apache Flink runtime version 1.18, you can now statefully migrate your existing applications that use older versions of Apache Flink to a more recent version, including Apache Flink version 1.18.

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Optimize checkpointing in your Amazon Managed Service for Apache Flink applications with buffer debloating and unaligned checkpoints – Part 1

AWS Big Data

Amazon Managed Service for Apache Flink , formerly known as Amazon Kinesis Data Analytics, is the AWS service offering fully managed Apache Flink. Internally, Apache Flink uses clever mechanisms to maintain exactly-once state consistency, while also optimizing for throughput and reduced latency. This is a two-phase operation.

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Optimize checkpointing in your Amazon Managed Service for Apache Flink applications with buffer debloating and unaligned checkpoints – Part 2

AWS Big Data

Unaligned checkpoints help, under specific conditions, to reduce checkpointing time for applications suffering temporary backpressure, and can be now enabled in Amazon Managed Service for Apache Flink applications running Apache Flink 1.15.2 When barriers from all upstream partitions have arrived, the sub-task takes a snapshot of its state.

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Apache Iceberg optimization: Solving the small files problem in Amazon EMR

AWS Big Data

Systems of this nature generate a huge number of small objects and need attention to compact them to a more optimal size for faster reading, such as 128 MB, 256 MB, or 512 MB. As of this writing, only the optimize-data optimization is supported. and above (available from Amazon EMR 6.11.0).

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Real-time cost savings for Amazon Managed Service for Apache Flink

AWS Big Data

When running Apache Flink applications on Amazon Managed Service for Apache Flink , you have the unique benefit of taking advantage of its serverless nature. This means that cost-optimization exercises can happen at any time—they no longer need to happen in the planning phase. per hour, and attached application storage costs $0.10

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Amazon Managed Service for Apache Flink now supports Apache Flink version 1.18

AWS Big Data

Amazon Managed Service for Apache Flink , which offers a fully managed, serverless experience in running Apache Flink applications, now supports Apache Flink 1.18.1 , the latest version of Apache Flink at the time of writing. By default, the sink writes in batches to optimize throughput. The dependency for Apache Flink 1.18