Execution time doesn't include time spent waiting in a queue. query_cpu_usage_percent, numeric(38,2), Percent of CPU capacity used by the query.

Short segment execution times can result in sampling errors with some metrics, such as io_skew and query_cpu_usage_percent . To avoid or reduce sampling ...

6 февр. 2020 г. · The WLM Query Monitoring Rules - Amazon Redshift documentation says: query_cpu_usage_percent. Percent of CPU capacity used by the query.

An increase in CPU utilization can depend on factors such as cluster workload, skewed and unsorted data, or leader node tasks.

label - Contains either the name of the file or the query group used to run the query or can be repurposed to define the application name or job name.

So filter the rows with this condition. WHERE query_execution_time > 60 and query_cpu_usage_percent IS NOT NULL and service_class between 6 and 13. #2 No ...

Amazon Redshift workload management (WLM) allows you to manage and define multiple query queues. It routes queries to the appropriate queues with memory ...

13 июн. 2023 г. · query_cpu_usage_percent, numeric(38,2). pg_catalog, svl_query_metrics, query_execution_time, int8. pg_catalog, svl_query_metrics ...

Purpose: Returns the per-hour Resources usage per queue for the past 2 days. These results can be used to fine tune WLM queues and find peak times for workload.

5 дек. 2023 г. · where query_cpu_usage_percent is not null and starttime > sysdate - 1 order by query_cpu_usage_percent desc;. To analyze segment and slice ...