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* state: refused writes limited for the node tootv2 days1-16/+52
| | | | | | | | | | | | Review 3, R5: --refused-writes-per-minute bounds each user, but the cost it guards, a document copy under the write lock, is the node's: ten users, or ten accounts of one, are ten times the budget. The node now takes six times a user's limit within a minute in all (refused::NODE_FACTOR); past it, every user with a write refused within the minute is answered 429 untried, until the oldest leave it. A user none of whose writes was refused writes on, so honest writers aren't held up by others' refusals.
* state: limit refused writes per usertv3 days1-0/+59
A write every node would refuse is rolled back by forking the document at the heads before it, under the write lock, at a cost that grows with the document's history. A user could ask for such writes in a loop. Count each user's refused writes over the last minute. Past --refused-writes-per-minute (default 10), its writes are answered 429 without being tried, until the oldest refusal leaves the minute.