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GLOBAL_LOG_LEVEL defaults to INFO, so every log.debug(...) in the backend is discarded, but the message is built first: 187 call sites interpolate their payload into an f-string before the logging call runs, so the work happens on every request and the result is thrown away. The worst one sits in process_chat_payload and stringifies the whole request body, full conversation history included, once per chat completion.
That one line with DEBUG disabled, CPython 3.12:
| conversation | payload | before | after |
| ------------ | ------- | -------- | ------- |
| 4 messages | 1.2 kB | 3.4 us | 0.07 us |
| 20 messages | 17 kB | 24.8 us | 0.07 us |
| 60 messages | 123 kB | 216.6 us | 0.07 us |
The lazy form log.debug('form_data: %s', form_data) hands the payload to record.getMessage(), which the InterceptHandler only reaches once a record has passed the level check. With DEBUG enabled the emitted lines are byte-identical, f'{x=}' sites included: those map to %r. MistralLoader._debug_log callers get the same treatment, since that wrapper already forwards *args.
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| .. | ||
| analytics.py | ||
| audio.py | ||
| auths.py | ||
| automations.py | ||
| calendar.py | ||
| channels.py | ||
| chats.py | ||
| configs.py | ||
| evaluations.py | ||
| files.py | ||
| folders.py | ||
| functions.py | ||
| groups.py | ||
| images.py | ||
| knowledge.py | ||
| memories.py | ||
| models.py | ||
| notes.py | ||
| notifications.py | ||
| ollama.py | ||
| openai.py | ||
| pipelines.py | ||
| prompts.py | ||
| retrieval.py | ||
| scim.py | ||
| skills.py | ||
| tasks.py | ||
| terminals.py | ||
| tools.py | ||
| users.py | ||
| utils.py | ||