Обсуждение: pgsql: Allow per-tablespace effective_io_concurrency
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 Branch ------ master Details ------- http://git.postgresql.org/pg/commitdiff/1aba62ec635f5852bc45ce65482366e541e61ff5 Modified Files -------------- doc/src/sgml/config.sgml | 5 ++- doc/src/sgml/ref/create_tablespace.sgml | 17 ++++---- src/backend/access/common/reloptions.c | 16 +++++++- src/backend/executor/nodeBitmapHeapscan.c | 35 ++++++++++++---- src/backend/storage/buffer/bufmgr.c | 63 ++++++++++++++++++++++++++++- src/backend/utils/cache/spccache.c | 12 ++++++ src/backend/utils/misc/guc.c | 45 ++------------------- src/bin/psql/tab-complete.c | 2 +- src/include/commands/tablespace.h | 1 + src/include/nodes/execnodes.h | 4 +- src/include/storage/bufmgr.h | 7 ++++ src/include/utils/spccache.h | 1 + 12 files changed, 145 insertions(+), 63 deletions(-)
On 8 September 2015 at 16:59, Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
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
Branch
------
master
Details
-------
http://git.postgresql.org/pg/commitdiff/1aba62ec635f5852bc45ce65482366e541e61ff5
Modified Files
--------------
doc/src/sgml/config.sgml | 5 ++-
One typo:
s/overriden/overridden/
--
Thom
Thom Brown wrote: > > Modified Files > > -------------- > > doc/src/sgml/config.sgml | 5 ++- > > > > One typo: > > s/overriden/overridden/ Thanks! Peter Eisentraut fixed it in 103ef2021110. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services