Reference library

Database scaling & optimization

Indexing, connection pooling, read replicas, query tuning, and throughput-aware SQL.

1 match
Database scaling & optimization easy

Broadcast a Small Reference Table in Python

Simulates SQL-style broadcasting of a small lookup table against a larger fact table in memory for mockups or load tests.

broadcast mock-data data-engineering
Python 
import random

def broadcast_mock(target, source, columns):
    result = {}
    for col in columns:
        if col in target and col in source:
            result[col] = target[col] + [source[col][i % len(source[col])] for i in range(len(target[col]))]
        elif col in target:
            result[col] = target[col]
…
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