I want to now scale our warehouse back to 2 nodes as we no longer need this much compute power. Concurrency Scaling adds to Amazon Redshift’s scalability and flexibility by transparently adding and removing capacity … AWS Redshift recently launched concurrency scaling, a new feature built to tackle the challenge of uneven cluster use. Concurrency Scaling. Redshift – Redshift’s infrastructure is more complicated, meaning there’ll be more downtime and complexity involved in scaling. Scaling in the case of newer generation instances can happen in a matter of minutes using the elastic resize feature. Consequently, this will help AWS gain further traction among customers, which is likely to drive its … ... Redshiftの並列実行数は15以下が推奨となっているので、同じタイミングで大量のクエリが発行されると、キューにたまり、AWS Consoleのクエリ実行状況がレインボー状態になる経験をした方多いと思います。 ... Elastic Resize. At the extreme end of things, however, Redshift is probably the better choice, since its Concurrency Scaling feature – which costs extra – allows it to take on a virtually limitless amount of queries. This, in effect, Redshift requires non trivial amount of effort to keep running. Elastic resize allows you to scale a cluster up or down within minutes. I used the Elastic resize option to scale up our Redshift Data Warehouse from 2 to 4 (ds2.xlarge) nodes, the resize took only a few minutes. Redshift allows the customers to choose from different types of instances optimized for performance or storage. ... Another interesting feature that impacts Redshift performance is the Concurrency Scaling, which is enabled at the workload management (WLM) queue level. We believe Concurrency Scaling and the two above-mentioned features are expected to strengthen the number of data warehousing deployments done by Amazon Redshift in real-time and predictive analyses. In addition, Amazon Redshift supports concurrency-based scaling, which is a feature that adds transient capacity to your cluster during concurrency spikes. This feedback has led to the more than 200 features and capabilities added to the service during the past two years, including Elastic Resize, Short Query Acceleration, and now Concurrency Scaling. The perfect solution to that is elastic resize. We believe Concurrency Scaling and the two above-mentioned features are expected to strengthen the number of data warehousing deployments done by Amazon Redshift in real-time and predictive analyses. Although Redshift has improved quite a lot in this area (with concurrency scaling, elastic resize etc. When you use elastic resize to change node type, Amazon Redshift automatically creates a snapshot, creates a new cluster, deletes the old cluster, and renames the new cluster. • Elastic resize – Your existing Redshift cluster is modified to add or remove nodes, either manually or with an API call. While for older generation instances that do not support elastic resize, scaling can only happen … The elastic resize operation can be run on-demand or can be scheduled to run at a future time. We believe Concurrency Scaling and the two above-mentioned features are expected to strengthen the number of data warehousing deployments done by Amazon Redshift in real-time and predictive analyses. 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