---
title: WAL plugin
description: Example Write-Ahead Log (WAL) plugin that demonstrates processing data as it's written to the database.
menu:
  influxdb3_enterprise:
    name: WAL plugin
    parent: Example plugins
weight: 100
influxdb3/enterprise/tags: [plugins, processing engine, python, wal, data-write]
related:
  - https://github.com/influxdata/influxdb3_plugins/tree/main/examples/wal-plugin, WAL plugin on GitHub
source: /shared/influxdb3-plugins/plugins-library/examples/wal-plugin.md
---

<!-- //SOURCE - content/shared/influxdb3-plugins/plugins-library/examples/wal-plugin.md -->