TrackFTS0042

CPU Isn't the Problem

Hard

Problem

Paradox Shop's document-rendering service processes 8 jobs per second on four Large application servers. CPU utilization remains low, but servers are crashing with out-of-memory errors. Each job runs for 25 seconds on average and holds 1,115 MB of memory until it completes. Repair the existing compute tier by resizing, removing, or adding application servers and adjusting load-balancer routing. Jobs are independent, and memory is not shared between servers.

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Current Production Metrics
Snapshot of the system before any changes.
Traffic
8 jobs/sec
App CPU
1%
App memory
170%
Monthly cost
$2,660

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100%
$0 / $4,600