<p></p>
<blockquote>
<p>I think what <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/users/Legolash2o/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/Legolash2o">@Legolash2o</a> is reporting here is copying of all tags from <code>current_{node,way,relation}_tags</code> tables to their respective <code>{node,way,relation}_tags</code> history tables on the Rails port. Indeed that's quite time consuming as tags are copied one by one, rather than using bulk operations. This happens every time a new object version is uploaded.</p>
<p>It's a known issue with existing solutions - one outside of the Rails port (CGImap), and another one as stale pull request (<a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="360890266" data-permission-text="Title is private" data-url="https://github.com/openstreetmap/openstreetmap-website/issues/1995" data-hovercard-type="pull_request" data-hovercard-url="/openstreetmap/openstreetmap-website/pull/1995/hovercard" href="https://github.com/openstreetmap/openstreetmap-website/pull/1995">#1995</a>) to address the issue on the Rails port.</p>
</blockquote>
<p>Yes, this is the issue. I don't understand why you have to install an additional item (CGImap) and not have it implemented in the main project.</p>

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