<p>The index creating commands are here:<br>
<a href="https://github.com/openstreetmap/osm2pgsql/blob/master/table.cpp">https://github.com/openstreetmap/osm2pgsql/blob/master/table.cpp</a><br>
(search for CREATE INDEX , name is the database table name)<br>
Not sure if it will help.</p>

<p>Was indexing on smaller extracts successful? Do you have the log of failure to inspect?</p>

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