Load Test PostgreSQL Instantly using Production Recordings
Record the queries your app sends to PostgreSQL in Kubernetes, then replay them against a QA database as a load and regression test. No scripts to write.
Posts by Matt LeRay
Co-founder and CTO of Speedscale, expert in Agentic AI and cloud data warehousing. • 9 posts published
Test Your MySQL 8.4 Upgrade With Real App Queries
Replay your app's recorded MySQL statements against 8.4 to catch upgrade regressions, then load test the database with the same workload using proxymock.
Test PostgreSQL With the Queries Your App Actually Runs
Replay recorded PostgreSQL queries to catch schema regressions and run realistic database load tests with proxymock, using the CLI or an AI assistant.
Team-Based DLP: Give Each Group Its Own Redaction Rules
One forwarder, many teams, one DLP rule nobody wants to touch. Scoped group rules let each team own its redaction. How-to for proxymock web and Speedscale.
Five Ways to Use OpenTelemetry Beyond Observability
Teams run inventory, security logs, request routing and billing through OpenTelemetry. Five non-observability uses, and the failure mode of each.
From Handwritten Mocks to proxymock: The Complete Loop
Part 10 of Getting Started with Mocks: use proxymock to record real API traffic, inject failures, verify side effects, and expose contract drift.
Did It Actually Send?
Part 4 of Getting Started with Mocks: the notifier stops returning a message and starts sending one, so the test needs a spy instead of a return value.
Make Failure Boring with Mocks
Part 3 of Getting Started with Mocks: the same seam, now returning refusals, timeouts and nonsense, so the failure paths finally get tested.
Mock the Wire
Part 7 of Getting Started with Mocks: a fake HTTP server finally runs the real client, so paths, headers, and parsing get tested. Java, Node, Go, Python.
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