Turns out WordPress doesn’t deal well with post IDs > 2^31.
http://core.trac.wordpress.org/ticket/16445
Tumblr in particular has post IDs greater than this, so it’s not recommended to keep old post IDs from Tumblr on an import.
Turns out WordPress doesn’t deal well with post IDs > 2^31.
http://core.trac.wordpress.org/ticket/16445
Tumblr in particular has post IDs greater than this, so it’s not recommended to keep old post IDs from Tumblr on an import.