Thread: pgsql: Improve performance of find_tabstat_entry()/get_tabstat_entry()

Improve performance of find_tabstat_entry()/get_tabstat_entry()

Patch introduces a hash map reloid -> PgStat_TableStatus which improves
performance in case of large number of tables/partitions.

Author: Aleksander Alekseev
Reviewed-by: Andres Freund, Anastasia Lubennikova, Tels, me

https://commitfest.postgresql.org/13/1058/

Branch
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master

Details
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http://git.postgresql.org/pg/commitdiff/090010f2ec9b1f9ac1124dc628b89586f911b641

Modified Files
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src/backend/postmaster/pgstat.c | 139 +++++++++++++++++++++++++++-------------
1 file changed, 93 insertions(+), 46 deletions(-)