If I can only offer a small amount of traffic e.g. 20 GB per month for my middle relay would you recommend to set a monthly limit or a daily limit?

Setting the traffic limit to 20 GB would mean the relay is running one or two days and hibernating most time of the month. Setting it to 660 MB per day would make it run every day for approx. 2 hours and hibernating the rest of the day.

Would you recommend to set the monthly limit and let TOR do the balancing or give a small daily portion?

2 Answers 2


Monthly limit would be best.

Daily limit would cause it to hibernate more frequently, resulting in more disrupted circuits for users, when your relay shuts down or is unexpectedly no longer in the consensus.

A monthly limit would mean that such interuption only happens once per month, not every day.


In general it is better to have a maximum bandwidth for the users. Tor needs some time until it reaches the maximum bandwidth and this will probably take longer than a day. So it is better to set a monthly limit.

  • So you think instead of setting a maximum traffic I should set the maximum bandwidth in a way the maximum traffic would not be exceeded? This would result in a bandwidth being unusable low. So I think it's better to serve not the full month but provide reasonable bandwidth.
    – mdosch
    Jul 4, 2017 at 21:54

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