<div dir="ltr"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div text="#000000" bgcolor="#FFFFFF">There's no guarantee that the read-only changeset call will go to
    the same backend server as the write call.
    <a class="m_5146457074185144725moz-txt-link-freetext" href="https://github.com/openstreetmap/iD/issues/1646" target="_blank">https://github.com/openstreetmap/iD/issues/1646</a> shows the problem
    caused by iD not parsing the diff response and relying on
    redownloading.</div></blockquote><div><br></div><div>This suggests that currently apidb replicas aren't in synchronous mode. Can it be switched to synchronous?</div><div><br></div><div><a href="https://www.postgresql.org/docs/9.5/static/warm-standby.html#SYNCHRONOUS-REPLICATION">https://www.postgresql.org/docs/9.5/static/warm-standby.html#SYNCHRONOUS-REPLICATION</a> <br></div></div></div>