3

When I click the filter favorite tags it often doesn't show anything. After a while, some new questions ping in, but the original list is empty:

empty question page

There really should be questions on SO with those tags...

0

Okay. So this seems to be a bug after all and they actually fixed it (at least it says it was fixed, let's give it a try!).

From the new nav update question:

Tag engine performance! We are hitting a performance bottleneck with tag engine. This is why you sometimes see empty results (but see a list upon refresh) ...

Thanks team!

5
  • Has this fix been rolled out yet? I've just experienced this exact issue on a custom tab – Turnip Dec 23 '15 at 22:31
  • It doesn't happen as often as it did. When do you experience this? – Patrick Hofman Dec 23 '15 at 22:32
  • I have a custom tab with some favourite tags as the filter. It was happening regularly. It took maybe 6 or 7 refreshes to break it this time so maybe a slight improvement – Turnip Dec 23 '15 at 22:36
  • It does seem much better actually. I think that first time was a fluke. It does still happen though with some persistant switching between tabs. – Turnip Dec 23 '15 at 22:43
  • Okay. Caching might be the issue as described in the comments below. – Patrick Hofman Dec 23 '15 at 23:04
-3

This is probably caching: consider that we only have 2000 users using the new nav, so you are going to hit empty caches much more often.

What happens if you refresh?

10
  • 1
    Not sure what you mean, why would it show empty? This is a user based cache, right? – Patrick Hofman Jun 24 '15 at 11:00
  • Can you paste the permalink at the bottom of the list? – Sklivvz Jun 24 '15 at 11:03
  • Sure. – Patrick Hofman Jun 24 '15 at 11:05
  • argh, what are your favorite tags? – Sklivvz Jun 24 '15 at 11:06
  • .net asp.net c# html html5 invantive-composition javascript jquery oracle plsql sql sql-server – Patrick Hofman Jun 24 '15 at 11:07
  • 1
    I see millions of questions there: it's probably caching – Sklivvz Jun 24 '15 at 11:10
  • 1
    But why? Very often it is empty. That can't be by-design. – Patrick Hofman Jun 24 '15 at 11:13
  • So the misses are a result of the nav alpha being on a test environment and not in production? – Travis J Jul 8 '15 at 19:28
  • @tra if I am correct that is not the issue. The issue is the cache is empty and they don't await the result of the fetch. – Patrick Hofman Jul 26 '15 at 19:09
  • We await up to 1.5 seconds, after that the server keeps on spinning but we return an empty page. The result is then cached. – Sklivvz Jul 26 '15 at 21:12

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