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Hello, I have checked the $59.56 charge from June 2nd and reviewed the actual memory usage of your services.

Breakdown:

• Developer Plan monthly fee: $5.00
• Memory usage: $53.83 ← Main cost
• Bandwidth + Persistent storage: $0.73

Shared clusters are billed by the minute based on the actual memory occupied by the service. My investigation shows that almost all the costs come from the autosci-grobid service in the autosci-HK project (image lfoppiano/grobid:0.8.1): it currently occupies about 3.6 GB of memory constantly, 24/7, costing about $39 per month for this service alone. The rest of your services only add up to a few dollars, which aligns with your impression.

GROBID is a PDF parsing service based on Java + machine learning models, which is inherently memory-intensive. Suggestions:

1. If you only use it occasionally, pause the autosci-grobid service when not in use and start it when needed to save most of the cost.
2. If you need it to run long-term, I recommend migrating it to a Dedicated Server (fixed monthly fee, not billed by memory usage; you already have a dedicated server).
3. You can also configure a smaller JVM heap memory limit for GROBID to reduce its footprint.

This is not an abnormal charge; it is the cost generated by actual usage.