Mihir Kandoi 2ec469257e perf(stock): gate batch valuation with a txn advisory lock on postgres
On postgres, outward batch valuation row-locked the item's ENTIRE SLE / Serial and Batch Entry history (a separate plain SELECT ... FOR UPDATE per site, since FOR UPDATE is invalid with GROUP BY there). That writes a lock marker (xmax + WAL) on every historical tuple per outward movement - write amplification that grows with history forever - and locks nothing at all when the history is empty (negative-stock edge: two concurrent outwards don't serialize).

Replace all four history-wide postgres lock statements with one frappe.db.transaction_advisory_lock(("batch-valuation", item_code, warehouse)) at the top of BatchNoValuation.calculate_avg_rate's outward branch - every valuation read (bundle + the three deprecated paths) is downstream of it. Released at commit/rollback, participates in deadlock detection, and serializes regardless of history size, so the empty-history edge is closed by construction. Batch qty updates iterate in sorted order so concurrent vouchers lock Batch rows in the same sequence.

MariaDB is unchanged: it keeps the original grouped FOR UPDATE row locks (and its gap locks). Requires frappe#40621.

Test: outward delivery of a batched item must leave the xact advisory lock visible in pg_locks for the submitting transaction.
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ERPNext

Powerful, Intuitive and Open-Source ERP

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ERPNext

100% Open-Source ERP System to help you run your business.

Motivation

Running a business is a complex task - handling invoices, tracking stock, managing personnel, and other daily operations. In a market where software is sold separately to manage each of these tasks, ERPNext does all of the above and more, for free.

Key Features

  • Accounting: All the tools you need to manage cash flow in one place, right from recording transactions to summarizing and analyzing financial reports.
  • Order Management: Track inventory levels, replenish stock, and manage sales orders, customers, suppliers, shipments, deliverables, and order fulfillment.
  • Manufacturing: Simplifies the production cycle, helps track material consumption, exhibits capacity planning, handles subcontracting, and more!
  • Asset Management: From purchase to disposal, IT infrastructure to equipment. Covers every branch of your organization, all in one centralized system.
  • Projects: Deliver both internal and external projects on time, budget and profitability. Track tasks, timesheets, and issues by project.
More

Under the Hood

  • Frappe Framework: A full-stack web application framework written in Python and JavaScript. The framework provides a robust foundation for building web applications, including a database abstraction layer, user authentication, and a REST API.

  • Frappe UI: A Vue-based UI library, to provide a modern user interface. The Frappe UI library provides a variety of components that can be used to build single-page applications on top of the Frappe Framework.

Production Setup

Managed Hosting

You can try Frappe Cloud, a simple, user-friendly, and sophisticated open-source platform to host Frappe applications reliably and securely.

It handles installation, setup, upgrades, monitoring, maintenance, and support of your Frappe deployments. It is a fully featured developer platform with an ability to manage and control multiple Frappe deployments.

Self-Hosted

Docker

See Frappe Docker Documentation for full documentation & FAQ on Docker setup

Prerequisites

For Docker basics and best practices refer to Docker's documentation

Try on your environment

⚠️ Disposable demo only

This setup is intended for quick evaluation. Expect to throw the environment away. You will not be able to install custom apps to this setup. For production deployments, custom configurations, and detailed explanations, see the full documentation.

First clone the repo:

git clone https://github.com/frappe/frappe_docker
cd frappe_docker

Then run:

docker compose -f pwd.yml up -d

Wait for a couple of minutes for ERPNext site to be created or check the create-site container logs before opening browser on port 8080. (username: Administrator, password: admin)

See Frappe Docker for ARM based docker setup

Development Setup

Manual Install

The Easy Way: our install script for bench will install all dependencies (e.g. MariaDB). See https://github.com/frappe/bench for more details.

New passwords will be created for the ERPNext "Administrator" user, the MariaDB root user, and the Frappe user (the script displays the passwords and saves them to ~/frappe_passwords.txt).

Local

To setup the repository locally follow the steps mentioned below:

  1. Setup bench by following the Installation Steps and start the server

    bench start
    
  2. In a separate terminal window, run the following commands:

    # Create a new site
    bench new-site erpnext.localhost
    
  3. Get the ERPNext app and install it

    # Get the ERPNext app
    bench get-app https://github.com/frappe/erpnext
    
    # Install the app
    bench --site erpnext.localhost install-app erpnext
    
  4. Open the URL http://erpnext.localhost:8000/app in your browser, you should see the app running

Learning and Community

  1. Frappe School - Learn Frappe Framework and ERPNext from the various courses by the maintainers or from the community.
  2. Official documentation - Extensive documentation for ERPNext.
  3. Discussion Forum - Engage with the community of ERPNext users and service providers.
  4. Telegram Group - Get instant help from huge community of users.

Contributing

  1. Issue Guidelines
  2. Report Security Vulnerabilities
  3. Pull Request Requirements
  4. Translations

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