On 2013-10-24 18:40:46 +0900, Amit Langote wrote: > While going through the documentation for GIN fast update technique, I read - > > "...or if the pending list becomes too large (larger than work_mem), > the entries are moved to the main GIN data structure using the same > bulk insert techniques used during initial index creation." > > The "work_mem" links to work_mem setting documentation. > > Whereas in the src/backend/access/gin/README, as one of the features > of GIN, I read - > > "...* Optimized index creation (Makes use of maintenance_work_mem to accumulate > postings in memory.)" > > So, which one is it - work_mem or maintenance_work_mem? > > Or are these things unrelated? Yes. One is about the initial index creation, the other about insertions into an existing index. Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
