Open Source Linux
Sep 27, 2021 · Databases
Why Redis Became a Bottleneck: Diagnosing High CPU with Slowlog and Command Stats
A Monday morning surge in user traffic exposed a Redis performance crisis, where CPU spiked to 100% due to massive keys* commands, and the investigation using Grafana, Redis info, commandstats, and slowlog revealed the root cause and a temporary mitigation strategy.
CommandStatsDatabaseMonitoring
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