Teodor Sigaev wrote:


2) fast insert into GIN
New version:
http://www.sigaev.ru/misc/fast_insert_gin-0.6.gz

Changes:
- added option FASTUPDATE=(1|t|true|on|enable|0|f|false|disable) for
  CREATE/ALTER command for GIN indexes

I think we should try to make it automatic. I'm not sure how.

How about having a constant sized "fastupdate" buffer, of say 100 rows or a fixed number of pages, and when that becomes full, the next inserter will have to pay the price of updating the index and flushing the buffer. To keep that overhead out of the main codepath, we could make autovacuum to flush the buffers periodically.

--
  Heikki Linnakangas
  EnterpriseDB   http://www.enterprisedb.com

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