Remove Broadcasting Remove Metrics Remove Testing
article thumbnail

Simplify your query performance diagnostics in Amazon Redshift with Query profiler

AWS Big Data

Amazon Redshift provides performance metrics and data so you can track the health and performance of your provisioned clusters, serverless workgroups, and databases. To test Query profiler against the sample data, load the tpcds sample data and run queries. For more information, refer to Amazon Redshift clusters.

article thumbnail

Smarter Career Choices #3: Solve for the Global Maxima!

Occam's Razor

If the Surface Marketing team is like every other team at every other company engaged in sponsorships and television advertising, it’ll measure the same collection of smart metrics like everyone else. Better than Reach and Brand Lift metrics? As the season went on, we could look for test and control opportunities.

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

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

AWS Big Data

We’ve already discussed how checkpoints, when triggered by the job manager, signal all source operators to snapshot their state, which is then broadcasted as a special record called a checkpoint barrier. Then it broadcasts the barrier downstream. For more details, refer to Limitations.

article thumbnail

Amazon EMR 7.1 runtime for Apache Spark and Iceberg can run Spark workloads 2.7 times faster than Apache Spark 3.5.1 and Iceberg 1.5.2

AWS Big Data

To assess the Spark engine’s performance with the Iceberg table format, we performed benchmark tests using the 3 TB TPC-DS dataset, version 2.13 (our results derived from the TPC-DS dataset are not directly comparable to the official TPC-DS results due to setup differences). The following table summarizes the metrics. and Iceberg 1.4.3-amzn-0

article thumbnail

Rebranding IT for the modernized IT mission

CIO Business Intelligence

It broadcasts to the rest of the company that there’s a new sheriff in town and that we are all about the business and not just focused on technology for the sake of technology.” Bigger steps include defining digital KPIs markedly different from IT system uptime and ticket-based metrics.

IT 136
article thumbnail

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

AWS Big Data

On receiving the signal, each source sub-task independently snapshots its state (for example, the offsets of the Kafka topic it is consuming) to a persistent storage, and then broadcasts a special record called checkpoint barrier (“CB” in the following diagrams) to all outgoing streams. It is then asynchronously sent to the backend.

article thumbnail

Asset lifecycle management strategy: What’s the best approach for your business?

IBM Big Data Hub

Digital twins allow companies to run tests and predict performance based on simulations. Preventive maintenance Preventive maintenance helps prevent the unexpected failure of an asset by recommending maintenance activities according to a historical record and current performance metrics.