Limit the number of linked issues in a single Jira issue.

Issue Summary

Jira does not have a limit for the number of issues that can be linked to a single issue.
This allows a single Jira issue to have unlimited issues linked.
This can lead to OutOfMemoryErrors and sequential Full GCs.

Steps to Reproduce

1. Create 5000+ issues in Jira
2. Link 500+ issues to a single issue;
3. Try to load the issue that contains 500+ Issue Links;

Expected Results

Jira should load the Issue Links in batches to avoid memory exhaustion. 

Actual Results

Jira will load all Issue Links in memory and cause several sequential Full GCs.

Workaround

Currently, there is no known workaround for this behavior. A workaround will be added here when available

Article with steps to get the counts:

• How to find the issues with most issue links or comments in the database

Guardrails recommends staying below 1,000 issue links per issue:

• Jira Software guardrails