Summary

High memory usage in Firefox after page refresh. Problem is specifically bad for JIRA reindex page is it refreshes pages very frequently.

Environment

• JIRA
• Firefox 47.0.1 at OSX 10.11.5

Steps to Reproduce

1. Go to JIRA re-index page.
2. Wait until process finished.
3. Check memory usage

• about::memory - https://developer.mozilla.org/en-US/docs/Mozilla/Performance/about%3Amemory
• Memory_profiling

Expected Results

Memory usage is low.

Actual Results

Memory usage is high. It grows from 50MB to 150MB in my case. In a worth case it can be 1GB.
Memory usage:

Memery snapshot of DevTools - usage grows:

Notes

• Problem is not reproduceable in Chrome
• Problem happens with other JIRA pages in Firefox
• Problem happens with other non-JIRA pages (less likely) in Firefox
• May be related to https://bugzilla.mozilla.org/show_bug.cgi?id=1141242

Workaround

• Close tab and restart the Firefox
• Use other browser