Guance Learn

Observability questions

Focused answers for definitions, architecture choices, troubleshooting, pricing, and evaluation.

Illustration of monitoring and troubleshooting application behavior
Explainer

Does a full SQL Server backup truncate the transaction log?

Understand SQL Server log truncation under the full recovery model, schedule log backups, and distinguish reusable log space from shrinking the file.

Illustration of Linux system logging
Explainer

Find MySQL error, slow-query, and general logs

Locate MySQL log destinations from the server configuration instead of assuming a distribution-specific path, then verify that the relevant log is enabled.

Illustration of Linux system logging
Explainer

Locate PostgreSQL logs on Linux, macOS, or Docker

Find PostgreSQL collector files and service output using active SQL settings, platform service configuration, and container logs.

Illustration of application modules working together
Explainer

Synchronize PostgreSQL data with Elasticsearch

Compare JDBC polling and Debezium CDC for PostgreSQL search indexes, including timestamp gaps, delete handling, replay, and ordering.