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Symptoms

Users are experiencing slow dashboard loading when using JIRA 4.0 or higher.

Cause

JIRA 4.x dashboards use Opensocial gadgets. Gadgets are using a lot more JavaScript and AJAX. This has two repercussions:

  1. AJAX means more network activity.
  2. More JavaScript means browsers with poor JavaScript performance are more impacted. The performance of JavaScript varies dramatically from browser to browser, with some being tens or even hundreds of times faster than others

If your dashboards are taking a long time to load, its more likely that this is caused due to poor browser performance or slow network.

Diagnosis

To diagnose if the problem is on the server or the client,

Enable JIRA Profiling. Check how long it takes JIRA to load the dashboard. This is what a normal dashboard page request looks like:

As opposed to a slow server request:

Workaround

Slow Server Request

If, from the above diagnostics, you notice the Dashboard.jspa taking a long time, see Crashes and Performance Issues Troubleshooting. This is a sign of a more general performance problem.

Slow Client Rendering

If, from the above diagnostics, the client is taking a long time:

  1. Ensure that you are on the latest browser. Avoid IE6 and old browsers.
  2. Try using different browsers such as FireFox 4 or Chrome.

Resolution

Please track JRA-19511 for a permanent solution.

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2 Comments

  1. Try using different browsers such as FireFox 4 or Chrome.

    Yes I tried, incredibly fast. So, now you should add Internet Explorer 7, 8 and Firefox 3.6.x onto your Deprecated Web Browsers list and add Firefox 4 beta (there seems to be a nightly build, that is working for confluence too CONF-21233) and Chrome to the Supported Platforms page. (wink)

    Don't lay all the blame on the browsers (Yes, some common browsers have a poor JavaScript performance), but maybe Jira can be faster too. Please keep fixing JRA-19511. Thanks.

    1. Thanks for the comment Berhnard. You're absolutely right. I've changed the page so the comment about changing browsers appears under 'workaround', with the ultimate solution being an improvement to the product.