8 окт. 2022 г. · Spectrum is a (often large) set of compute elements embedded in S3 that can do some aspect of the query plan.

27 сент. 2022 г. · RS Spectrum (RSS) allows you to interact directly with data in S3 (no need to COPY it to RS). But to interact with that data you need to define its schema.

9 мая 2018 г. · I am kind of evaluating Athena & Redshift Spectrum. Both serve the same purpose, Spectrum needs a Redshift cluster in place whereas Athena is pure serverless.

6 июл. 2017 г. · Redshift Spectrum's queries employ massive parallelism to execute very fast against large datasets. Much of the processing occurs in the ...

27 нояб. 2019 г. · Using Redshift Spectrum this report takes forever(more than 15 minutes) to run and using Athena it only takes 10 seconds to run. The query that ...

13 дек. 2022 г. · Redshift Spectrum is a querying engine service offered by AWS allowing customers to use only the computing capability of Redshift clusters ...

11 апр. 2023 г. · When I run queries in Redshift I get insanely longer query times compared to Athena, even for the most simple queries.

8 дек. 2022 г. · Redshift takes table you are trying to join and sends it to every spectrum worker node resulting in a very fast join. Each worker performs ...

13 сент. 2018 г. · Redshift Spectrum is primarily used to produce reports and analysis against data stored in S3, usually combined with data stored on Redshift.

20 июн. 2017 г. · Redshift Spectrum requires an external data catalog that contains the definition of the table. It is this data catalog that contains the reference to the files ...