How to avoid large-scale document processing outages due to external API limitations?

2025-08-25

1.4 K

API Fault Tolerance Solution

The following safeguards are recommended to ensure long-term stable operation:

Multi-API redundancy::
1. existconfig/Configure alternate keys for Google Vision and MathPix in the
2. pass (a bill or inspection etc)--fallback_api mathpix:3,google:2Setting the number of failed retries
local cache::
- start using--cache_dir ./api_cache/Automatic storage of recognized content
- increase--cache_ttl 86400Setting a 1-day cache expiration date
flow control::
1. utilization--rate_limit 50/分钟Avoid triggering API restrictions
2. Adding to documents with more than 10,000 pages--sleep_interval 1.2latency
stop-and-go (computing)::
- Phase 1 available after processing interruptions--resume_from temp/last_processed.pageresumption
- pass (a bill or inspection etc)--checkpoint_interval 20Save progress every 20 pages

Emergency solution: switch to purely local mode when API is not available--local_only, but formula recognition accuracy decreases by 15-20%.