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MatMaul
2023-06-16 10:17:27 +00:00
parent fa7804d148
commit f0f2fe312c
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dev-docs/develop/modules/federation_sender.html
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@@ -268,10 +268,8 @@ was enabled</em>, Catch-Up Mode is exited and we return to <code class="docutils
<h4 class="rubric" id="a-note-on-failures-and-back-offs">A note on failures and back-offs</h4>
<p>If a remote server is unreachable over federation, we back off from that server,
with an exponentially-increasing retry interval.
Whilst we don’t automatically retry after the interval, we prevent making new attempts
until such time as the back-off has cleared.
Once the back-off is cleared and a new PDU or EDU arrives for transmission, the transmission
loop resumes and empties the queue by making federation requests.</p>
We automatically retry after the retry interval expires (roughly, the logic to do so
being triggered every minute).</p>
<p>If the backoff grows too large (&gt; 1 hour), the in-memory queue is emptied (to prevent
unbounded growth) and Catch-Up Mode is entered.</p>
<p>It is worth noting that the back-off for a remote server is cleared once an inbound