JOURNAL / PRODUCT ENGINEERING

Engineering decisions.
Explained in practice.

Practical guides to reliable systems, from tenant isolation and integrations to AI retrieval and product operations.

Page 6 of 7 · Articles 61–72 of 84

Original conceptual illustration of one commerce event splitting into a fast accept-or-reject lane and a queued background-processing lane; not Salla infrastructure.

Saudi commerce · Serverless architecture61

Salla App Functions: choose the right execution boundary

A practical architecture for separating blocking decisions from background commerce workflows in Salla App Functions.

6 min readRead article

Original conceptual illustration of an AI agent workflow crossing checkpoints, a human approval gate and a recovery path after failure; not a product interface.

AI agents · Distributed systems62

Durable AI agents: checkpoints are not enough

A production architecture for AI agents that survive restarts, pause for approval and execute external side effects safely under retries.

6 min readRead article

Original conceptual illustration of a large ecommerce order payload splitting into smaller order, shipment, branch and customer modules; not Salla infrastructure.

Saudi commerce · API architecture63

Salla's light order contract: migrate without losing fulfillment data

A practical migration architecture for Salla order integrations after expanded responses ended, using selective hydration, queues and sequential reconciliation.

7 min readRead article

Original conceptual illustration of a database being reorganized between isolated test environments; not a PostgreSQL product screenshot.

Databases · Reliability64

PostgreSQL 19 Beta 4: test the upgrade, not the feature list

A practical pre-production test plan for PostgreSQL 19 Beta 4, covering reverted features, REPACK concurrency, replication, query plans and rollback evidence.

6 min readRead article

Original conceptual illustration of three warehouses connected to a durable central inventory ledger; not Zid's internal infrastructure.

Saudi commerce · Inventory architecture65

Zid multi-location inventory: choose the right batch boundary

A practical architecture for syncing ERP or WMS stock with Zid, choosing product-centric or location-centric batches and verifying every write through reconciliation.

7 min readRead article

Original conceptual illustration of one enormous memory server above a storage plane; not a photograph or Google Cloud infrastructure diagram.

Cloud · In-memory databases66

Google Cloud X5 reaches 48 TB: when scale-up is worth the trade-offs

Google Cloud's new X5 bare-metal series raises single-node memory to 48 TB. Here is what architects must test across NUMA, Hyperdisk, recovery and SAP HANA before scaling up.

7 min readRead article

Original conceptual illustration of warehouses and a storefront connected through a durable inventory ledger; not Salla's internal infrastructure.

Saudi commerce · Inventory architecture67

Salla and ERP inventory sync: make every stock movement auditable

A practical architecture for syncing ERP stock with Salla using bulk deltas, branch mapping, change reasons, a durable outbox and scheduled reconciliation.

6 min readRead article

Original conceptual illustration of one high-density compute node containing many workload capsules within a large address grid; not real GKE infrastructure.

DevOps · Kubernetes68

GKE raises the limit to 512 Pods per node—should you use it?

GKE Standard now supports 512 Pods per node. Here is the IP math, density benefit, failure impact and a safe node-pool migration plan.

6 min readRead article

Original conceptual illustration of a storefront event stream passing through a selective filter into a durable queue; not Salla's internal architecture.

Saudi commerce · Event architecture69

Salla conditional webhooks: filter events before they reach your app

A practical guide to Salla Rules: choosing webhook conditions, registering them safely, testing changes and preserving reliable downstream processing.

6 min readRead article

Original conceptual illustration of a protected database core serving many isolated compute capsules; not a diagram of Google's internal infrastructure.

AI infrastructure · Databases70

AlloyDB for AI agents: live data without sharing production compute

Google's new AlloyDB preview gives AI agents read-only PostgreSQL nodes on isolated compute while keeping an up-to-the-second view of production data.

7 min readRead article