In CREATE INDEX CONCURRENTLY it seems possible to release the index build snapshot early, so we can reset our xmin before we complete the sort and write the main part of the index.
Patch to implement this attached. -- Simon Riggs http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
avoid_bloat_from_cic.v1.patch
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