Limits

Defaults of the current build. Operators may lower some through the environment variables shown.

What	Limit	Error
Control-plane request body (JSON)	64 KiB	payload_too_large
Data-plane (/v2) request and response body	8 MiB (CLOUDD_PROXY_BODY_LIMIT)	payload_too_large
Upstream engine call	30 s (CLOUDD_PROXY_TIMEOUT_SECS)	upstream_unavailable
Engine start on wake	15 s (CLOUDD_READY_TIMEOUT_SECS)	orchestrator_unavailable
Session lifetime	24 h (CLOUDD_SESSION_TTL_SECS, min 60)	authentication_required
Password	8–1024 bytes	invalid_request
Project name	≤ 64 chars	invalid_request
Key label / snapshot label	≤ 64 chars	invalid_request
Bucket name	3–63 chars, a-z 0-9 -, starts and ends alphanumeric	invalid_request
Object key	≤ 1024 bytes	invalid_request
Object size	32 MiB (CLOUDD_STORAGE_MAX_BYTES)	payload_too_large
Realtime channel / event name	1–64 chars	invalid_request
Realtime payload	32 KiB	payload_too_large
Channels per SSE connection	16	invalid_request
SSE connections per credential	32	conflict
SSE idle stream	closed after 300 s without an event (CLOUDD_REALTIME_IDLE_SECS)	stream ends
Function name	a-z 0-9 _, ≤ 40 chars	invalid_request
Function source	512 KiB	payload_too_large
Invoke body	32 KiB	payload_too_large
Function output	one JSON object ≤ 1 MiB on stdout	function_bad_output
Invocation time	5 s (CLOUDD_FN_TIMEOUT_MS)	function_timeout
Concurrent invocations per project	2	function_busy
Secrets per project	16	conflict
Secret value	≤ 4 KiB UTF-8, no NUL; name A-Z 0-9 _ starting with a letter, ≤ 64	invalid_request

No latency, throughput or cost figure is stated anywhere: the Cloud has produced none under Native’s receipt rules.