* Tatsuo Ishii (is...@postgresql.org) wrote: > I observe performance degradation with PostgreSQL 9.3 vs 9.2 on Linux > as well. The hardware is HP DL980G7, 80 cores, 2TB mem, RHEL 6, > pgbench is used (read only query), scale factor is 1,000 (DB size > 15GB).
Can you isolate the sysv-vs-mmap patch and see what happens with just that change..? > Included is the graph (from PostgreSQL Enterprise Consortium's 2014 > report page 13: https://www.pgecons.org/downloads/43). I see up to 14% > degration (at 128 concurrent users) comparing with 9.2. That URL returns 'Forbidden'... Thanks, Stephen
signature.asc
Description: Digital signature