Questions tagged with Amazon Redshift
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To connect to Redshift from our app, we would like to replace existing JDBC driver (Java) with the python sql connector if possible. For that purpose, we measured the performance to fetch a few large...
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245
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asked 4 months agolg...
We're seeing queries running much slower (taking 2-3x the time), and cluster load jumped up to double what it was before this release. We had no changes on or around this date as all the staff who...
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174
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asked 4 months agolg...
I have pause and restart the cluster, now waiting for 6 hours the cluster still on status: modify
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177
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asked 4 months agolg...
I have a database where I create a schema per company, all the schemas have the same tables, how can I take all this to redshift using aws dms
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235
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asked 4 months agolg...
I've created an external table on top of the Kinesis Data Streams and created a materialized view on top of the external table. It is running properly when I added a new column key/value JSON pair to...
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251
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asked 4 months agolg...
In our architecture we have data from AWS MSK being ingested into AWS Redshift using the Amazon Redshift Streaming Ingestion feature. In this approach, we define an external schema where we have the...
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110
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asked 4 months agolg...
We had four nodes (640GB) and discovered that all of our disk space has been consumed.
There were, however, two reserve nodes (each 160GB). So we resized the cluster using "Classic resize" to take...
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202
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asked 4 months agolg...
We have a redshift serverless namespace -- workgroup.
Automated recovery points are taken every 30mins. Can we reduce the frequency?
Also the same question for Auto-snapshots? Can we reduce the...
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208
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asked 4 months agolg...
Hi,
I am trying to establish ODBC connectivity between PowerBI and Redshift Serverless and have a bit of a trouble.
When using the latest ODBC Redshift driver and trying to authenticate using AWS...
4
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334
views
asked 4 months agolg...
I have followed this guide: https://docs.aws.amazon.com/redshift/latest/mgmt/zero-etl-using.setting-up.html to establish the zero-etl integration between my RDS Aurora instance and RMS Redshift...
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558
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asked 5 months agolg...
https://docs.aws.amazon.com/redshift/latest/dg/r_CREATE_EXTERNAL_FUNCTION.html
says "The IMMUTABLE clause isn't currently supported for Lambda UDFs."
But if you use IMMUTABLE it creates the function...
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116
views
asked 5 months agolg...
I am trying to troubleshoot query performance issues and am seeing the following results out of SYS_QUERY_HISTORY.
| query_id | elapsed_time | execution_time | compile_time | planning_time |...
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332
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asked 5 months agolg...