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Update dashboard FAQ (#5895) #6049

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Jul 29, 2021
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Update dashboard FAQ (#5895) #6049

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Update dashboard FAQ
shhdgit Jun 30, 2021
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Update dashboard-faq.md
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shhdgit Jun 30, 2021
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TomShawn Jul 23, 2021
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TomShawn Jul 23, 2021
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TomShawn Jul 23, 2021
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TomShawn Jul 29, 2021
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Update dashboard/dashboard-faq.md 
Co-authored-by: TomShawn <41534398+TomShawn@users.noreply.github.com>
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@shhdgit @TomShawn @ti-chi-bot
2 people authored and ti-chi-bot committed Jul 29, 2021
commit 764bb170bab6925677187b66f252d82ba955b976
4 changes: 3 additions & 1 deletion dashboard/dashboard-faq.md
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Expand Up @@ -61,7 +61,9 @@ The possible reason is that you have enabled the `prepared-plan-cache` feature o

### An `unknown field` error is shown in **Slow Queries** page

If the `unknown field` error appears on the Slow Queries page after the cluster upgrade, that is a compatibility issue caused by the difference between TiDB Dashboard server fields (which may be updated) and user preferences fields (which are in the browser cache). This issue has been fixed in v4.0.14/v5.0.3 and later, older versions can be resolved by clearing the browser Local Storage.
If the `unknown field` error appears on the **Slow Queries** page after the cluster upgrade, the error is related to a compatibility issue caused by the difference between TiDB Dashboard server fields (which might be updated) and user preferences fields (which are in the browser cache). This issue has been fixed. If you are using v4.0.14/v5.0.3 or an earlier v4.0/v5.0 version, you can resolve this issue by clearing your browser cache.

To clear your browser cache, take the following steps:

1. Open TiDB Dashboard page.

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