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authorEric Eastwood <erice@element.io>2022-04-06 16:34:33 -0500
committerGitHub <noreply@github.com>2022-04-06 16:34:33 -0500
commit350062661cbc402c089ce7a20b72d83073ed8fec (patch)
treee1835b12c40101f1e5f19b52c1bf080aa0939089 /docs/development/room-dag-concepts.md
parentUpdate changelog to describe changes from #12370 relative to `develop` (#12401) (diff)
downloadsynapse-350062661cbc402c089ce7a20b72d83073ed8fec.tar.xz
Clarify that we mark as outliers because we don't have any state for them (#12345)
As discussed at https://github.com/matrix-org/synapse/pull/12179#discussion_r837263852
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@@ -39,7 +39,8 @@ yet correlated to the DAG.
 Outliers typically arise when we fetch the auth chain or state for a given
 event. When that happens, we just grab the events in the state/auth chain,
 without calculating the state at those events, or backfilling their
-`prev_events`.
+`prev_events`. Since we don't have the state at any events fetched in that
+way, we mark them as outliers.
 
 So, typically, we won't have the `prev_events` of an `outlier` in the database,
 (though it's entirely possible that we *might* have them for some other