rust/neon
1
0
Fork 0
mirror of https://github.com/neondatabase/neon.git synced 2026-05-22 07:30:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add comments and update test

Browse Source
This commit is contained in:
Konstantin Knizhnik
2024-09-15 08:18:46 +02:00
parent f73128fcaf
commit b71ffd7e60
3 changed files with 44 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
test_runner/regress/test_lfc_working_set_approximation.py
View File

@@ -137,8 +137,8 @@ def test_optimal_cache_size_approximation(neon_simple_env: NeonEnv):
cur.execute(
"create table t_small(pk integer primary key, count integer default 0, payload text default repeat('?', 128))"
)
cur.execute("insert into t_huge(pk) values (generate_series(1,1000000))")
cur.execute("insert into t_small(pk) values (generate_series(1,100000))")
cur.execute("insert into t_huge(pk) values (generate_series(1,1000000))") # table size is 21277 pages
cur.execute("insert into t_small(pk) values (generate_series(1,100000))") # table size is 2128 pages
time.sleep(2)
before = time.monotonic()
for _ in range(100):
@@ -152,4 +152,4 @@ def test_optimal_cache_size_approximation(neon_simple_env: NeonEnv):
optimal_cache_size = cur.fetchall()[0][0]
log.info(f"Optimal cache size for 99% hit rate {optimal_cache_size}")
assert ws_estimation >= 20000 and ws_estimation <= 30000
assert optimal_cache_size >= 2000 and optimal_cache_size <= 7000
assert optimal_cache_size >= 2000 and optimal_cache_size <= 3000