Allow per-tablespace effective_io_concurrency
Alvaro Herrera <alvherre@alvh.no-ip.org>
Allow per-tablespace effective_io_concurrency Per discussion, nowadays it is possible to have tablespaces that have wildly different I/O characteristics from others. Setting different effective_io_concurrency parameters for those has been measured to improve performance. Author: Julien Rouhaud Reviewed by: Andres Freund
Files
| Path | Change | +/− |
|---|---|---|
| doc/src/sgml/config.sgml | modified | +4 −1 |
| doc/src/sgml/ref/create_tablespace.sgml | modified | +9 −8 |
| src/backend/access/common/reloptions.c | modified | +15 −1 |
| src/backend/executor/nodeBitmapHeapscan.c | modified | +27 −8 |
| src/backend/storage/buffer/bufmgr.c | modified | +62 −1 |
| src/backend/utils/cache/spccache.c | modified | +12 −0 |
| src/backend/utils/misc/guc.c | modified | +3 −42 |
| src/bin/psql/tab-complete.c | modified | +1 −1 |
| src/include/commands/tablespace.h | modified | +1 −0 |
| src/include/nodes/execnodes.h | modified | +3 −1 |
| src/include/storage/bufmgr.h | modified | +7 −0 |
| src/include/utils/spccache.h | modified | +1 −0 |