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- o Minor features:
- - When we run out of usable circuit IDs on a channel, log only one
- warning for the whole channel, and include a description of
- how many circuits there were on the channel. Fix for part of ticket
- #11553.
- o Major features (performance):
- - Avoid wasting cycles looking for usable circuit IDs. Previously,
- when allocating a new circuit ID, we would in the worst case do a
- linear scan over the entire possible range of circuit IDs before
- deciding that we had exhausted our possibilities. Now, we
- try 64 circuit IDs at random before deciding that we probably
- won't succeed. Fix for a possible root cause of ticket
- #11553.
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