sqlite: adding connection pooling and WAL

This commit is contained in:
Alpha Nerd 2025-11-20 15:37:04 +01:00
parent aa23a4dd81
commit 45d1d442ee
3 changed files with 116 additions and 109 deletions

2
.gitignore vendored
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@ -64,4 +64,4 @@ cython_debug/
config.yaml
# SQLite
*.db
*.db*

218
db.py
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@ -16,46 +16,52 @@ class TokenDatabase:
if not db_dir.exists():
db_dir.mkdir(parents=True, exist_ok=True)
async def _get_connection(self):
"""Return a connection with WAL mode enabled."""
conn= await aiosqlite.connect(self.db_path)
await conn.execute("PRAGMA journal_mode=WAL;")
return conn
async def init_db(self):
"""Initialize the database tables."""
async with aiosqlite.connect(self.db_path) as db:
await db.execute('''
CREATE TABLE IF NOT EXISTS token_counts (
endpoint TEXT,
model TEXT,
input_tokens INTEGER DEFAULT 0,
output_tokens INTEGER DEFAULT 0,
total_tokens INTEGER DEFAULT 0,
PRIMARY KEY(endpoint, model)
)
''')
await db.execute('''
CREATE TABLE IF NOT EXISTS token_time_series (
id INTEGER PRIMARY KEY AUTOINCREMENT,
endpoint TEXT,
model TEXT,
input_tokens INTEGER,
output_tokens INTEGER,
total_tokens INTEGER,
timestamp INTEGER, -- Unix timestamp with approximate minute/hour precision
FOREIGN KEY(endpoint, model) REFERENCES token_counts(endpoint, model)
)
''')
await db.commit()
db = await self._get_connection()
await db.execute('''
CREATE TABLE IF NOT EXISTS token_counts (
endpoint TEXT,
model TEXT,
input_tokens INTEGER DEFAULT 0,
output_tokens INTEGER DEFAULT 0,
total_tokens INTEGER DEFAULT 0,
PRIMARY KEY(endpoint, model)
)
''')
await db.execute('''
CREATE TABLE IF NOT EXISTS token_time_series (
id INTEGER PRIMARY KEY AUTOINCREMENT,
endpoint TEXT,
model TEXT,
input_tokens INTEGER,
output_tokens INTEGER,
total_tokens INTEGER,
timestamp INTEGER, -- Unix timestamp with approximate minute/hour precision
FOREIGN KEY(endpoint, model) REFERENCES token_counts(endpoint, model)
)
''')
await db.commit()
async def update_token_counts(self, endpoint: str, model: str, input_tokens: int, output_tokens: int):
"""Update token counts for a specific endpoint and model."""
total_tokens = input_tokens + output_tokens
async with aiosqlite.connect(self.db_path) as db:
await db.execute('''
INSERT INTO token_counts (endpoint, model, input_tokens, output_tokens, total_tokens)
VALUES (?, ?, ?, ?, ?)
ON CONFLICT(endpoint, model) DO UPDATE SET
input_tokens = input_tokens + ?,
output_tokens = output_tokens + ?,
total_tokens = total_tokens + ?
''', (endpoint, model, input_tokens, output_tokens, total_tokens, input_tokens, output_tokens, total_tokens))
await db.commit()
db = await self._get_connection()
await db.execute('''
INSERT INTO token_counts (endpoint, model, input_tokens, output_tokens, total_tokens)
VALUES (?, ?, ?, ?, ?)
ON CONFLICT(endpoint, model) DO UPDATE SET
input_tokens = input_tokens + ?,
output_tokens = output_tokens + ?,
total_tokens = total_tokens + ?
''', (endpoint, model, input_tokens, output_tokens, total_tokens, input_tokens, output_tokens, total_tokens))
await db.commit()
async def add_time_series_entry(self, endpoint: str, model: str, input_tokens: int, output_tokens: int):
"""Add a time series entry with approximate timestamp."""
@ -64,93 +70,93 @@ class TokenDatabase:
now = datetime.now(tz=timezone.utc)
timestamp = int(datetime(now.year, now.month, now.day, now.hour, now.minute).timestamp())
async with aiosqlite.connect(self.db_path) as db:
await db.execute('''
INSERT INTO token_time_series (endpoint, model, input_tokens, output_tokens, total_tokens, timestamp)
VALUES (?, ?, ?, ?, ?, ?)
''', (endpoint, model, input_tokens, output_tokens, total_tokens, timestamp))
await db.commit()
db = await self._get_connection()
await db.execute('''
INSERT INTO token_time_series (endpoint, model, input_tokens, output_tokens, total_tokens, timestamp)
VALUES (?, ?, ?, ?, ?, ?)
''', (endpoint, model, input_tokens, output_tokens, total_tokens, timestamp))
await db.commit()
async def update_batched_counts(self, counts: dict):
"""Update multiple token counts in a single transaction."""
if not counts:
return
async with aiosqlite.connect(self.db_path) as db:
for endpoint, models in counts.items():
for model, (input_tokens, output_tokens) in models.items():
total_tokens = input_tokens + output_tokens
await db.execute('''
INSERT INTO token_counts (endpoint, model, input_tokens, output_tokens, total_tokens)
VALUES (?, ?, ?, ?, ?)
ON CONFLICT(endpoint, model) DO UPDATE SET
input_tokens = input_tokens + ?,
output_tokens = output_tokens + ?,
total_tokens = total_tokens + ?
''', (endpoint, model, input_tokens, output_tokens, total_tokens,
input_tokens, output_tokens, total_tokens))
await db.commit()
db = await self._get_connection()
for endpoint, models in counts.items():
for model, (input_tokens, output_tokens) in models.items():
total_tokens = input_tokens + output_tokens
await db.execute('''
INSERT INTO token_counts (endpoint, model, input_tokens, output_tokens, total_tokens)
VALUES (?, ?, ?, ?, ?)
ON CONFLICT(endpoint, model) DO UPDATE SET
input_tokens = input_tokens + ?,
output_tokens = output_tokens + ?,
total_tokens = total_tokens + ?
''', (endpoint, model, input_tokens, output_tokens, total_tokens,
input_tokens, output_tokens, total_tokens))
await db.commit()
async def add_batched_time_series(self, entries: list):
"""Add multiple time series entries in a single transaction."""
async with aiosqlite.connect(self.db_path) as db:
for entry in entries:
await db.execute('''
INSERT INTO token_time_series (endpoint, model, input_tokens, output_tokens, total_tokens, timestamp)
VALUES (?, ?, ?, ?, ?, ?)
''', (entry['endpoint'], entry['model'], entry['input_tokens'],
entry['output_tokens'], entry['total_tokens'], entry['timestamp']))
await db.commit()
db = await self._get_connection()
for entry in entries:
await db.execute('''
INSERT INTO token_time_series (endpoint, model, input_tokens, output_tokens, total_tokens, timestamp)
VALUES (?, ?, ?, ?, ?, ?)
''', (entry['endpoint'], entry['model'], entry['input_tokens'],
entry['output_tokens'], entry['total_tokens'], entry['timestamp']))
await db.commit()
async def load_token_counts(self):
"""Load all token counts from database."""
async with aiosqlite.connect(self.db_path) as db:
async with db.execute('SELECT endpoint, model, input_tokens, output_tokens, total_tokens FROM token_counts') as cursor:
async for row in cursor:
yield {
'endpoint': row[0],
'model': row[1],
'input_tokens': row[2],
'output_tokens': row[3],
'total_tokens': row[4]
}
db = await self._get_connection()
async with db.execute('SELECT endpoint, model, input_tokens, output_tokens, total_tokens FROM token_counts') as cursor:
async for row in cursor:
yield {
'endpoint': row[0],
'model': row[1],
'input_tokens': row[2],
'output_tokens': row[3],
'total_tokens': row[4]
}
async def get_latest_time_series(self, limit: int = 100):
"""Get the latest time series entries."""
async with aiosqlite.connect(self.db_path) as db:
async with db.execute('''
SELECT endpoint, model, input_tokens, output_tokens, total_tokens, timestamp
FROM token_time_series
ORDER BY timestamp DESC
LIMIT ?
''', (limit,)) as cursor:
async for row in cursor:
yield {
'endpoint': row[0],
'model': row[1],
'input_tokens': row[2],
'output_tokens': row[3],
'total_tokens': row[4],
'timestamp': row[5]
}
db = await self._get_connection()
async with db.execute('''
SELECT endpoint, model, input_tokens, output_tokens, total_tokens, timestamp
FROM token_time_series
ORDER BY timestamp DESC
LIMIT ?
''', (limit,)) as cursor:
async for row in cursor:
yield {
'endpoint': row[0],
'model': row[1],
'input_tokens': row[2],
'output_tokens': row[3],
'total_tokens': row[4],
'timestamp': row[5]
}
async def get_token_counts_for_model(self, model):
"""Get token counts for a specific model, aggregated across all endpoints."""
async with aiosqlite.connect(self.db_path) as db:
async with db.execute('SELECT endpoint, model, input_tokens, output_tokens, total_tokens FROM token_counts WHERE model = ?', (model,)) as cursor:
total_input = 0
total_output = 0
total_tokens = 0
async for row in cursor:
total_input += row[2]
total_output += row[3]
total_tokens += row[4]
db = await self._get_connection()
async with db.execute('SELECT endpoint, model, input_tokens, output_tokens, total_tokens FROM token_counts WHERE model = ?', (model,)) as cursor:
total_input = 0
total_output = 0
total_tokens = 0
async for row in cursor:
total_input += row[2]
total_output += row[3]
total_tokens += row[4]
if total_input > 0 or total_output > 0:
return {
'endpoint': 'aggregated',
'model': model,
'input_tokens': total_input,
'output_tokens': total_output,
'total_tokens': total_tokens
}
return None
if total_input > 0 or total_output > 0:
return {
'endpoint': 'aggregated',
'model': model,
'input_tokens': total_input,
'output_tokens': total_output,
'total_tokens': total_tokens
}
return None

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@ -122,7 +122,8 @@
}
.copy-link,
.delete-link,
.show-link {
.show-link,
.stats-link {
font-size: 0.9em;
margin-left: 0.5em;
cursor: pointer;