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Alibaba ACA-Database Exam - Topic 5 Question 75 Discussion

Actual exam question for Alibaba's ACA-Database exam
Question #: 75
Topic #: 5
[All ACA-Database Questions]

What is the maximum number of read-only nodes in a PolarDB cluster?

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Suggested Answer: A, B, D, E

by Tawny at Nov 13, 2024, 05:44 AM

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Bok
6 months ago
Are you sure about that? Sounds too high.
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Lashawn
6 months ago
Yup, 15 is correct. Solid scaling!
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Margot
6 months ago
Wait, really? I thought it was only 10.
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Elly
7 months ago
Totally agree, 15 is the max!
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Nelida
7 months ago
It's 15 read-only nodes in a PolarDB cluster!
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Amie
7 months ago
I’m pretty certain it’s 15, but I might be mixing it up with another database system.
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Meghan
7 months ago
I’m a bit confused; I thought it was either 10 or 15, but I can't recall which one.
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Veta
7 months ago
I practiced a similar question last week, and I think the answer was around 5 read-only nodes.
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Lonna
8 months ago
I think I remember reading that PolarDB can have multiple read-only nodes, but I’m not sure about the exact number.
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Theola
8 months ago
I'm a bit confused by this question. I don't recall discussing the specifics of PolarDB cluster configurations in class. I'll have to make an educated guess on this one.
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Rueben
8 months ago
Okay, I've got a strategy for this. I'll start by considering the typical use cases for read-only nodes in a PolarDB cluster, then narrow down the options based on that context.
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Roy
8 months ago
Hmm, I'm not too familiar with PolarDB clusters. I'll have to think through the potential limits and constraints to determine the maximum number of read-only nodes.
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Maddie
8 months ago
This seems like a straightforward question about PolarDB cluster configuration. I'll need to review my notes on the maximum number of read-only nodes allowed.
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Margarita
1 year ago
Wait, does this mean I can have a 'polar bear' in my PolarDB cluster? I'm going with B, just to be on the safe side.
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Paul
1 year ago
This question is making me feel a bit 'polar-ized'. I'll go with A, just to keep things simple.
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Inocencia
11 months ago
I believe it's D) 15.
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Tiffiny
11 months ago
I'll choose C) 10.
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Deane
11 months ago
I'm going with B) 5.
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Nakisha
11 months ago
I think the answer is A) 1.
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Ellen
1 year ago
Ha! I bet the developers were feeling a bit 'polar' when they set the max at 15. I'm sticking with D just to see what happens.
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Margurite
12 months ago
I'm curious too, I'll go with D and see if it's 15.
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Kenny
12 months ago
I'm going with option C, 10 read-only nodes.
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Stefanie
1 year ago
I think the max number of read-only nodes is 10.
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Macy
1 year ago
Wait, 15 read-only nodes? That sounds like a lot. I'm going to go with C, 10 seems more reasonable for a PolarDB cluster.
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Susy
1 year ago
Yeah, 15 read-only nodes does sound like a lot. I think C, 10, is the right choice.
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Therese
1 year ago
I agree, 10 read-only nodes does seem like a reasonable number for a PolarDB cluster.
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Lorita
1 year ago
Hmm, this seems like a tricky one. I'm guessing the answer is B, since 5 is a nice round number for a cluster, right?
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Alfreda
1 year ago
Thanks for clarifying. I'll remember that for next time.
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Carman
1 year ago
Exactly, it's not 5. It's 10 read-only nodes in a PolarDB cluster.
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Marleen
1 year ago
Oh, I see. That makes sense. So, it's not B) 5 after all.
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Kallie
1 year ago
I think the answer is actually C) 10, because PolarDB clusters can have up to 10 read-only nodes.
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Irene
1 year ago
I agree with Michel, C) 10 makes sense for better scalability and fault tolerance.
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Michel
1 year ago
I believe it's C) 10 because having more read-only nodes can improve read performance.
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Carin
1 year ago
I think the answer is A) 1.
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