Hey everyone! I'm facing some challenges due to brief, intense spikes in traffic that lead to a high connection count on my RDS database. I've set up CloudWatch metrics to monitor the connection count since it can occasionally get close to the max limit. However, I'm wondering if there's a way to increase how often this connection count is updated, as the default seems to be every 60 seconds. I've tried changing the Enhanced Monitoring rate to 10 seconds, but that only updates OS metrics and doesn't affect the database connections count. While I know I can tweak the default connection limit, I'd prefer to avoid that if possible, especially since resources are currently maxed out. Basically, can I get a more frequent update on the database connections than every minute?
3 Answers
I think you might need to adjust your perspective here. Metrics give you past performance data, while what you’re encountering might be related to specific queries and their performance. Make sure you have Performance Insights enabled for your RDS. It's free for seven days and can provide detailed insights on what's causing bottlenecks and help you understand the connection spikes better. It’s about tackling the root problem, not just monitoring symptoms.
Are your database operations read-heavy or write-heavy? If it's read-heavy, considering a read replica or caching might ease the load. But if it’s write-heavy, that complicates things further. We need to dig deeper into your workload to find the best solution.
It might help to clarify what you're actually trying to fix. Metrics are generally for spotting trends and checking for periods of high load, not just for immediate notifications of connection issues. Instead of relying solely on connection counts, check your logs for errors when you hit those limits. Monitor averages instead and consider increasing your max connection limit if everything else looks stable.
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