Upgrade
Overview
Upgrade page provides data migration tools for previous versions of Fess.
Operations
Backup
Download configuration backup files(.fess_basic_config and .fess_user) on Backup page before executing a migration process.
Migration
Type /admin/upgrade/ to URL after logging in as admin user. Select a target version and then click button to execute data mingration process.
Target Version
Fess version from which you want to upgrade.
Reindex
Create new fess.YYMMDD index and copy documents from old fess index.
Update Aliases
Switch fess.search and fess.update aliases after reindexing if enabled.