Reduce lock levels for table storage params related to planning
The following parameters are now updateable with ShareUpdateExclusiveLock
effective_io_concurrency
parallel_workers
seq_page_cost
random_page_cost
n_distinct
n_distinct_inherited
Simon Riggs and Fabrízio Mello
Branch
------
master
Details
-------
http://git.postgresql.org/pg/commitdiff/21d4e2e20656381b4652eb675af4f6d65053607f
Modified Files
--------------
src/backend/access/common/reloptions.c | 50 +++++++++++++++++++++++++++++-----
src/backend/utils/cache/spccache.c | 11 ++++++++
2 files changed, 54 insertions(+), 7 deletions(-)