mirror of
https://github.com/neondatabase/neon.git
synced 2025-12-28 00:23:00 +00:00
6cfebc096f
Part of #1467 This PR adds several performance tests that compare the [PG statistics](https://www.postgresql.org/docs/current/monitoring-stats.html) obtained when running PG benchmarks against Neon and vanilla PG to measure the read/write throughput of the DB.
53 lines
1.4 KiB
Python
53 lines
1.4 KiB
Python
from typing import List
|
|
|
|
import pytest
|
|
|
|
|
|
class PgStatTable:
|
|
table: str
|
|
columns: List[str]
|
|
additional_query: str
|
|
|
|
def __init__(self, table: str, columns: List[str], filter_query: str = ""):
|
|
self.table = table
|
|
self.columns = columns
|
|
self.additional_query = filter_query
|
|
|
|
@property
|
|
def query(self) -> str:
|
|
return f"SELECT {','.join(self.columns)} FROM {self.table} {self.additional_query}"
|
|
|
|
|
|
@pytest.fixture(scope='function')
|
|
def pg_stats_rw() -> List[PgStatTable]:
|
|
return [
|
|
PgStatTable("pg_stat_database",
|
|
["tup_returned", "tup_fetched", "tup_inserted", "tup_updated", "tup_deleted"],
|
|
"WHERE datname='postgres'"),
|
|
]
|
|
|
|
|
|
@pytest.fixture(scope='function')
|
|
def pg_stats_ro() -> List[PgStatTable]:
|
|
return [
|
|
PgStatTable("pg_stat_database", ["tup_returned", "tup_fetched"],
|
|
"WHERE datname='postgres'"),
|
|
]
|
|
|
|
|
|
@pytest.fixture(scope='function')
|
|
def pg_stats_wo() -> List[PgStatTable]:
|
|
return [
|
|
PgStatTable("pg_stat_database", ["tup_inserted", "tup_updated", "tup_deleted"],
|
|
"WHERE datname='postgres'"),
|
|
]
|
|
|
|
|
|
@pytest.fixture(scope='function')
|
|
def pg_stats_wal() -> List[PgStatTable]:
|
|
return [
|
|
PgStatTable("pg_stat_wal",
|
|
["wal_records", "wal_fpi", "wal_bytes", "wal_buffers_full", "wal_write"],
|
|
"")
|
|
]
|