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In PostgreSQL, what is the default size of a WAL segment file?
Suggested Answer: B
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26 comments · newest first
GE
German
5 months ago
I remember reading it's 16 MB. Fits well with other settings.
GA
Gail
5 months ago
I'm pretty sure it's 16 MB too. Makes sense for performance.
CO
Corrina
6 months ago
I feel like it's 8 MB. Smaller sizes are easier to manage.
GE
Georgeanna
6 months ago
I think it's 16 MB. Seems standard.
SH
Sherell
6 months ago
Nope, it's definitely not 64 MB.
SU
Susana
6 months ago
Wait, really? I always assumed it was 8 MB.
LA
Lajuana
6 months ago
Totally agree, 16 MB is the standard.
RO
Rosamond
6 months ago
I thought it was 32 MB, but I guess not.
DA
Dannie
7 months ago
It's 16 MB by default!
DO
Dominga
7 months ago
The correct answer is definitely 32 MB. Unless you're running a database for elephants, of course.
IR
Irma
7 months ago
Hmm, I'm going to go with B) 16 MB. Seems like a more reasonable default size.
SH
Shantell
8 months ago
D) 64 MB? Really? That seems way too big for a default WAL segment size.
KE
Keneth
8 months ago
I always get these PostgreSQL questions mixed up. 32 MB sounds about right though.
DI
Diego
8 months ago
C) 32 MB is the correct answer. That's the default size of a WAL segment file in PostgreSQL.
GL
Gladys
8 months ago
I thought it was 32 MB, but I can't recall the exact details from my notes.
LE
Lezlie
8 months ago
I’m leaning towards 64 MB, but I might be mixing it up with something else.
RO
Rose
8 months ago
I remember practicing a question about WAL files, and I feel like it was 8 MB, but that seems too small now.
NA
Nadine
9 months ago
I think the default size of a WAL segment file is 16 MB, but I'm not entirely sure.
BE
Bernadine
9 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.
AN
Anna
9 months ago
Ah yes, the WAL segment file size. I'm pretty confident the default is 16 MB, so I'll select option B.
GE
Genevive
9 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.
LE
Leatha
9 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.
DE
Denny
10 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.
EV
Evette
3 months ago
I’m pretty sure it’s 32 MB.
BE
Bernardine
4 months ago
I remember it being 8 MB.
ZO
Zoila
5 months ago
I think it's 16 MB.