Jira SSL Database Connection Configuration Changed in 8.5


Today I upgraded a non-prod Jira environment from 7.13.x to the latest LTS version 8.5.8. And unfortunately Jira failed to start after the upgrade. It turns out that the SSL configuration for database connection has changed in 8.5. So Jira could not connect to database with the old configuration. For JIRA 7.13 / postgreSQL driver … Continue reading Jira SSL Database Connection Configuration Changed in 8.5

Texts in Confluence Powerpoint Thumbnail Have Scrambled


Are you seeing the scrambled texts in Confluence Powerpoint thumbnail like the below screenshot? First of all, make ensure you have installed all right fonts in the OS or Docker image if you use containers. Secondly, clean all caches and the temp folders like ¬†dcl-*, then restart Confluence. If the above did not solve the … Continue reading Texts in Confluence Powerpoint Thumbnail Have Scrambled

Optimal Synchrony Setup


The application that works behind Confluence Collaborative Editing is called Synchrony. Synchrony works in two modes: Standalone and Managed by Confluence. Standalone: As the name suggests, it is setup as a standalone cluster which is dedicated for Collaborative Editing. Managed by Confluence: Synchrony is co-located with Confluence in the same cluster. And it is managed … Continue reading Optimal Synchrony Setup

Load Balancing Algorithm for Confluence


We recently migrated Confluence Data Center to AWS. And by using the Read-Only mode, we achieved zero downtime! Everything works well since the migration. During the working hours, the normal load is between 6000 to 7500 RPM (request per minute). And the two node cluster is still able to provide satisfying response time while the … Continue reading Load Balancing Algorithm for Confluence

Confluence system plugins that do not support cluster environment


If you are doing the following Confluence migration, you have to be aware of that some system plugins do not support cluster environment. Confluence server to Confluence data center clusterConfluence data centre non-clustered (single node) to Confluence data centre clustered (multiple nodes) A simple example is the 'Confluence Usage Stats' which provides the macros like … Continue reading Confluence system plugins that do not support cluster environment