<p><b>@mmd-osm</b> commented on this pull request.</p>

<hr>

<p>In <a href="https://github.com/openstreetmap/openstreetmap-website/pull/2131#discussion_r254407176">app/models/trace.rb</a>:</p>
<pre style='color:#555'>>      end
 
+    # Run the before_save and before_create callbacks, and then import them in bulk with activerecord-import
+    tracepoints.each do |tp|
+      tp.run_callbacks(:save) { false }
+      tp.run_callbacks(:create) { false }
+    end
+    Tracepoint.import(tracepoints)
</pre>
<p>Re. batch size: <a href="https://github.com/zdennis/activerecord-import#batching">https://github.com/zdennis/activerecord-import#batching</a> mentions some parameter to control the max number of rows per INSERT.</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/openstreetmap/openstreetmap-website/pull/2131#discussion_r254407176">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/ABWnLTJ-BFsn0VK0zrNVowmEdSxZeVtnks5vKybsgaJpZM4ak4vv">mute the thread</a>.<img src="https://github.com/notifications/beacon/ABWnLfSVbILar6BlouY8cdUWyewaxAIIks5vKybsgaJpZM4ak4vv.gif" height="1" width="1" alt="" /></p>
<script type="application/json" data-scope="inboxmarkup">{"api_version":"1.0","publisher":{"api_key":"05dde50f1d1a384dd78767c55493e4bb","name":"GitHub"},"entity":{"external_key":"github/openstreetmap/openstreetmap-website","title":"openstreetmap/openstreetmap-website","subtitle":"GitHub repository","main_image_url":"https://github.githubassets.com/images/email/message_cards/header.png","avatar_image_url":"https://github.githubassets.com/images/email/message_cards/avatar.png","action":{"name":"Open in GitHub","url":"https://github.com/openstreetmap/openstreetmap-website"}},"updates":{"snippets":[{"icon":"PERSON","message":"@mmd-osm commented on #2131"}],"action":{"name":"View Pull Request","url":"https://github.com/openstreetmap/openstreetmap-website/pull/2131#discussion_r254407176"}}}</script>
<script type="application/ld+json">[
{
"@context": "http://schema.org",
"@type": "EmailMessage",
"potentialAction": {
"@type": "ViewAction",
"target": "https://github.com/openstreetmap/openstreetmap-website/pull/2131#discussion_r254407176",
"url": "https://github.com/openstreetmap/openstreetmap-website/pull/2131#discussion_r254407176",
"name": "View Pull Request"
},
"description": "View this Pull Request on GitHub",
"publisher": {
"@type": "Organization",
"name": "GitHub",
"url": "https://github.com"
}
}
]</script>