Sudden WU Spike - My Customer is Being Overcharged

[eren]

Hi all,

I believe there are also bugs in WU consumption and data fetching, too… I won’t go into all the metrics now, as it would only cause confusion. Instead, I’ll share the key points I found important within a specific date range.

For those who don’t want to read the entire post, here’s our observation: Bubble’s hidden elements consume data. At least for today, this is the case in my application.

Last 30 Days - 12 Agu to 11 Sep

You can see the increase, which started in the evening hours of the 5th.

On this evening, API Workflows were initially responsible for WU consumption. Then, “fetching data” took the lead with a significant increase.

Now let’s go to the peak time of workload on the same day.

Upon closer examination, I noticed that the “search” part was causing this.

I investigated the element causing this issue. The only way this could happen was if the relevant conditions were met, leading to a significant increase in page loads.

Here is the expression:

• Expression part 1: It checks if the page is working under a certain domain or vice versa.
• Expression part 2: It checks a feature on data directly assigned to a group. If it is active, it searches for an LLM type that matches certain data and becomes visible. This search returns just over 10,000 results.

Is this possible? Yes! If this condition holds and the number of page views increases significantly, my app’s WU consumption will undoubtedly increase.

Let’s conclude by examining the page metrics. I pulled 30 days of data and analyzed it. When my WU usage was overloaded—and it still is—sometimes the page views were even lower.

After these investigations, we concluded it was a bug and created a report. Note how the dates align closely with when @Efe started experiencing similar issues.

My teammate @Batuhan Merguz, who was investigating this problem yesterday, understood the situation. Once we realized this, the alarming part was that every user interacting with the chatbot on our client’s website was causing the chatbots on other users’ pages to also fetch data!

For instance, if this data stream consumes 10 WU, and 10 users interact with the chatbot simultaneously, it becomes 100 WU for each message. As long as they continue talking, it increases exponentially. If new users join, the situation results in an exponential increase in WU consumption, leading to the explosion in usage we observed.

The repeating group was fetching data even though it was not visible .

Here’s what we tried to resolve the issue:

1- We tried to figure out what went wrong by deleting the condition piece by piece, nope, it kept repeating in every case.
2- We unchecked the condition “visible”. It still keeps fetching data.
3- We completely hid the repeating group, it keeps fetching data.
4- We deleted the repeating group and it stopped fetching data.

We are waiting for the Bubble team to begin investigating, and we are still pulling WU like crazy.

Note: Efe is also my teammate, but he is talking about a different app.