On 2021-09-06 11:07, Dmitriy Alekseev wrote:
Hello, I created 2 scrapers in docker-compose: cloudwatch-eu-west-1: image: prom/cloudwatch-exporter container_name: cloudwatch-eu-west-1 volumes: - './config:/config' command: - '/config/cloudwatch-eu-west-1.yml' networks: - monitor-net depends_on: - prometheus labels: org.label-schema.group: 'monitoring' environment: - AWS_REGION=eu-west-1cloudwatch-ap-northeast-1: image: prom/cloudwatch-exporter container_name: cloudwatch-ap-northeast-1 volumes: - './config:/config' command: - '/config/cloudwatch-ap-northeast-1.yml' networks: - monitor-net depends_on: - prometheus labels: org.label-schema.group: 'monitoring' environment: - AWS_REGION=ap-northeast-1 EC2 with this exporters has IAM role to all required cloudwatch/tags permissions, not limited by regions or anything else. EC2 located at eu-west-1 region and successfully scrape data from eu-west-1 cloudwatch. Scrape duration takes 6s. But I have issue with ap-northeast-1: scrape duration takes 68s and don't return any data. I double checked it by directly requesting data from scraper: docker-compose exec sqsexporter-eu-west-1 wget -O- http://cloudwatch-ap-northeast-1:9106/metrics Also I already use jmal98/sqs-exporter for both regions and it works fine. I noticed the scrape duration, and it makes me worried: eu-west-1 takes 1s when ap-northeast-1 takes 13s which is greatly longer. Does anyone has same issues? I need to use this exporters strictly in exact AWS region where they deployed at? This not sounds like this mandatory, but reality says exactly this.
In general I would expect API calls to other regions to take longer. You might find a small improvement by locating the exporters within the different regions, but it might not be worth the extra cost/complexity. How frequently are you wanting to scrape those exporters? As CloudWatch isn't real-time I don't gerneally scrape them at a high frequency.
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