Configuration
Server-level configuration for a self-hosted Informer: securing access, tuning performance, and adjusting how Informer talks to its supporting services. Most of these recipes edit the Informer config.json (Windows) or docker-compose.yml (Docker).
Security and access
| Article | In one line |
|---|---|
| Configuring HTTPS (Windows) | Serve Informer over HTTPS on Windows, with optional security headers. |
| Configuring HTTPS (Linux w/ Docker) | Serve Informer over HTTPS on Docker, with optional security headers. |
| Configuring the Load Balancer (Windows) | Split Informer into separate query, API, and schedule processes. |
| Configuring the Load Balancer (Linux w/ Docker) | The Docker equivalent, with separate Informer service processes. |
| OpenSSL on Windows with legacy support | Put OpenSSL on the PATH and enable legacy algorithm support. |
| Token secret rotation | Rotate the master token secret and re-encrypt stored secrets. |
| Redis authentication | Require a password on Redis. |
Elasticsearch and memory
| Article | In one line |
|---|---|
| End of support for Elasticsearch 5 | Why and when to move off Elasticsearch 5. |
| Migrating Elasticsearch | Move data to Elasticsearch 8 with the Migration Utility (Windows and Docker). |
| Elasticsearch 7 & 8 on Windows memory configuration | Set the Elasticsearch memory allocation on Windows. |
| Configuring the Elasticsearch Windows service | Repair a corrupted Elasticsearch Windows service. |
| Moving Elasticsearch data and logs | Relocate Elasticsearch data and logs to another volume. |
| Elasticsearch volume and memory (Docker) | Mount Elasticsearch data to the host and set its memory on Docker. |
| Increasing Informer memory allocation | Give a load-balancer thread more memory, on Windows or Docker. |
Redis
| Article | In one line |
|---|---|
| Redis best practices (Windows) | Tune Redis snapshotting, fault tolerance, and memory on Windows. |
| Redis best practices (Docker on Linux) | Patch to Redis 7 and tune it on Docker. |
| Redis troubleshooting (Windows) | Check, flush, and purge Redis memory, and chase down stuck keys. |
Windows service and Java
| Article | In one line |
|---|---|
| Configuring the Windows service | Reinstall, set dependencies for, or remove the Informer Windows service. |
| Configuring Windows environment variables | The environment variables Informer needs on Windows. |
| Rebuilding the Java module | Recompile the bundled Java module against a different Java 8 JDK. |
| Java TCL | Troubleshoot a U2 Datasource from a TCL prompt that mirrors Informer. |
Data, files, and connectivity
| Article | In one line |
|---|---|
| Installing JDBC drivers | Add a custom JDBC driver for an otherwise-unsupported SQL database. |
| Configuring the maximum hapi payload size | Raise the 1 MB default request payload limit. |
| Configuring the known_hosts file for SFTP (Docker) | Let containers trust an SFTP server for the Send to FTP Job action. |
| Configuring a volume for Save to File System (Docker) | Expose Save-to-File-System Job output on the host. |
| Multi-server deployment (Windows) | Spread Informer, PostgreSQL, Redis, and an Elasticsearch cluster across servers. |
| Increase the VFIELDSIZE | Raise the UniData VFIELDSIZE so complex virtual fields evaluate. |
| Check the VFIELDSIZE | Confirm whether VFIELDSIZE is why a UniData field will not display. |
Logs and cloud
| Article | In one line |
|---|---|
| Configuring log rotation | Built-in log rotation by size and date (2025.2.9 and later). |
| Docker log maintenance and disk space recovery | Recover disk space and cap log growth on Docker. |
| Informer Cloud quick start | Migrate content to Informer Cloud and connect it to your Datasources. |
| Informer Cloud to Ellucian Cloud | How an Informer Cloud connection reaches an Ellucian Cloud database. |
Where do I look when...
| You want to... | Start here |
|---|---|
| Serve Informer over HTTPS | Windows or Linux w/ Docker |
| Improve performance under load | Configuring the Load Balancer (Windows) or (Linux w/ Docker) |
| Rotate the token secret after a breach | Token secret rotation |
| Lock down Redis | Redis authentication |