Note:
This topic has been translated from a Chinese forum by GPT and might contain errors.
Original topic: dashbord的流量可视化中总有一个table0的表
In this traffic visualization, there is always a table named table0 in either the read hotspot or the write hotspot, but this table does not exist in the database. Could anyone tell me where this table is? What impact would a hotspot have? Some tables use auto-increment, but it can’t be changed to auto_random. How should this hotspot be eliminated?
There’s no hotspot here; this is basically an empty database, right?
Huh? Is this an empty database? But the two highlighted ones above have tables.
What I mean by an empty database is not completely empty, but rather a database that is rarely used. Generally, a busy database will display many tables on the left side, but yours shows even meta and mysql as being so wide.
But why does such a rarely used library have such a prominent display?
Brightness is relative; the higher the traffic, the brighter it is. Yours is the brightest, meaning other regions have lower traffic compared to this one. There is a bar above that can adjust the brightness.
Does that mean this is an empty table and not a hotspot issue? What else does it mean?
Is it a basic empty table?
It means that this diagram is completely fine and not a hotspot issue.
The database is very idle.
It feels like an empty table, but I don’t know why the heatmap is always on. It shouldn’t be on theoretically.
The database is idle, why is there a hotspot?
Ah, then why are there a few bright horizontal lines?
Just because it’s highlighted doesn’t mean it’s a hotspot. It only significantly affects performance if it’s much darker in color compared to others. In your case, it’s an empty database, and even if there’s one table in use, it will show up but it’s not hot.
Oh, I see. As long as there is a table query, it will light up. I thought it would light up only if there was a hotspot.
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