Try more servers when calling `/state_ids` (#2610)
Try more servers when calling `/state_ids` (#2610)

* Try more servers when calling `/state_ids`

* More logging

* Maybe fix concurrent map write

* Revert "Maybe fix concurrent map write"

This reverts commit da0dbb836207a911afe77e6f6d63c4809669693c.

* Enforce a limit of 20s per server, 5 mins total
matrix-org/dendrite,matrix-org/dendrite,matrix-org/dendrite,matrix-org/dendrite