Xporter is facing export performance issues regarding Links Iteration

Xporter is facing export performance issues regarding Links and Subtasks Iteration.

Steps to reproduce the error:

• Create multiple Epic issues
• Associate multiple Stories to the Epic
• For each Story associate Subtasks
• Create a template in order to export:
  • Epic Links
    • For each Link, export Subtasks information

Current Behavior:

Since version 6.9.0, Xporter is facing performance issues and the export time increased.

Expected Behavior:

Xporter should improve the iteration exportation in order to decrease the exportation time.