feat(changelog): redistm-added-new-redis-metrics-in-cockpit 2024-09-13 (#3698)

Author: ofranc

changelog/september2024/2024-09-13-redistm-added-new-redis-metrics-in-cockpit.mdx

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+---
+title: New Redis™ metrics in Cockpit
+status: added
+author:
+    fullname: 'Join the #database channel on Slack.'
+    url: 'https://slack.scaleway.com'
+date: 2024-09-13
+category: databases
+product: redistm
+---
+
+New Redis metrics are available in Cockpit:
+
+- **Network I/O Monitoring**: Gain insights into network traffic and usage.
+- **Key Hit/Miss Ratio**: Track the ratio of cache hits to misses for improved cache performance.
+- **Client Metrics**:
+  - Monitor the number of active clients.
+  - Track blocked clients (e.g., during BLPOP operations).
+- **Key Expiration Stats**:
+  - Ratio of keys approaching expiration.
+  - Ratio of keys that have expired.
+- **Key Eviction Ratio**: Monitor the ratio of keys evicted due to memory pressure.
+