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EnterpriseDB PostgreSQL-Essentials Exam - Topic 9 Question 8 Discussion

Actual exam question for EnterpriseDB's PostgreSQL-Essentials exam
Question #: 8
Topic #: 9
[All PostgreSQL-Essentials Questions]

In PostgreSQL, what is the default size of a WAL segment file?

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Suggested Answer: B

by Brynn at Jan 05, 2026, 05:16 AM

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Susana
24 hours ago
Wait, really? I always assumed it was 8 MB.
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Lajuana
6 days ago
Totally agree, 16 MB is the standard.
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Rosamond
11 days ago
I thought it was 32 MB, but I guess not.
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Dannie
16 days ago
It's 16 MB by default!
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Dominga
22 days ago
The correct answer is definitely 32 MB. Unless you're running a database for elephants, of course.
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Irma
27 days ago
Hmm, I'm going to go with B) 16 MB. Seems like a more reasonable default size.
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Shantell
2 months ago
D) 64 MB? Really? That seems way too big for a default WAL segment size.
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Keneth
2 months ago
I always get these PostgreSQL questions mixed up. 32 MB sounds about right though.
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Diego
2 months ago
C) 32 MB is the correct answer. That's the default size of a WAL segment file in PostgreSQL.
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Gladys
2 months ago
I thought it was 32 MB, but I can't recall the exact details from my notes.
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Lezlie
2 months ago
I’m leaning towards 64 MB, but I might be mixing it up with something else.
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Rose
2 months ago
I remember practicing a question about WAL files, and I feel like it was 8 MB, but that seems too small now.
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Nadine
3 months ago
I think the default size of a WAL segment file is 16 MB, but I'm not entirely sure.
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Bernadine
3 months ago
Okay, I'm not 100% sure about this, but I think the default WAL segment file size is 32 MB. I'll go with option C.
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Anna
3 months ago
Ah yes, the WAL segment file size. I'm pretty confident the default is 16 MB, so I'll select option B.
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Genevive
3 months ago
Ugh, I'm drawing a blank on this one. I know it has to do with PostgreSQL's write-ahead logging, but I can't recall the specific default size. I'll have to make an educated guess.
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Leatha
3 months ago
I think I remember learning about this in class. Let me think... I believe the default size is 16 MB, so I'll go with option B.
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Denny
3 months ago
Hmm, I'm not too familiar with PostgreSQL's WAL segment file size. I'll need to review my notes on PostgreSQL configuration settings.
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