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The oplog (operations log) is a special capped collection that keeps a rolling record of all operations that modify the data stored in your databases. All the replica set members contain a copy of the oplog in the following collection:
Suggested Answer: A
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36 comments · newest first
HE
Hershel
11 months ago
Wait, are you sure? I always thought it was something else!
CA
Carolann
11 months ago
Totally agree, it's local.oplog.rs. No doubt about it!
AL
Albina
12 months ago
Yeah, local.oplog.rs makes sense, but why "local"?
IS
Isaiah
12 months ago
I thought it was just called oplog.rs, but I guess not.
KA
Kanisha
12 months ago
It's definitely local.oplog.rs for replica sets!
AD
Adaline
1 year ago
I'm pretty confident that the oplog is in a collection called oplog.rs, but I can't remember if it's just that or if it has to include the database name.
TI
Titus
1 year ago
I feel like I saw something about the oplog being part of the database name, but that doesn't seem right for this question.
EM
Emile
1 year ago
I remember practicing a question about replica sets, and I think the correct answer was local.oplog.rs, but I could be mixing it up with something else.
AV
Avery
1 year ago
I think the oplog is stored in the local database, but I'm not entirely sure if it's specifically called local.oplog.rs.
SY
Sylvie
1 year ago
Assessing testers solely on how many failures they find? That seems like it could lead to some unhealthy behaviors. I'll keep that in mind.
NO
Norah
1 year ago
This seems like a straightforward question about managing risk assessment bias. I'd focus on evaluating and documenting the bias, then communicating it to management.
TO
Tonette
1 year ago
Wait, is the oplog stored in the 'local' database or the 'local.oplog.rs' collection? I'm so confused, time to phone a friend!
ME
Meghann
1 year ago
Option A seems right to me. The oplog has to be specific to each replica set, so it makes sense that it would have the replica set ID in the collection name.
JE
Jenise
1 year ago
Haha, I bet the correct answer is option C. Gotta love those sneaky database names with extra periods!
LE
Leonie
1 year ago
Marquetta: Thanks for the clarification!
MA
Marquetta
1 year ago
Stanton: Nope, it's definitely D) local.oplog.rs
ST
Stanton
1 year ago
User 2: Oh really? I thought it was option A) .oplog.rs
EN
Enola
1 year ago
User 1: Actually, the correct answer is option D) local.oplog.rs
SO
Sommer
1 year ago
I think it's option B. The oplog is a standalone collection named 'oplog.rs', not tied to a specific replica set ID or database.
GL
Glenn
1 year ago
I think it's option B. The oplog is a standalone collection named 'oplog.rs', not tied to a specific replica set ID or database.
TO
Tommy
1 year ago
D) local.oplog.rs
CA
Cammy
1 year ago
C) ..oplog.rs
CA
Cary
1 year ago
B) oplog.rs
HE
Helaine
1 year ago
A) .oplog.rs
JA
Jannette
1 year ago
I'm pretty sure it's option D. The oplog is stored in the local database, which is a special database that's not part of the normal data storage.
VI
Vicente
1 year ago
I agree, the oplog is stored in the local database
DE
Denna
1 year ago
B) oplog.rs
LA
Lavina
1 year ago
I think it's D) local.oplog.rs
CO
Corinne
1 year ago
A) .oplog.rs
DO
Dorthy
1 year ago
D) local.oplog.rs
TE
Tenesha
1 year ago
B) oplog.rs
SY
Sylvia
1 year ago
I think it's D) local.oplog.rs
AL
Alberto
1 year ago
A) .oplog.rs
WE
Wenona
2 years ago
I'm not sure, but I think it's A) .oplog.rs.
CA
Carey
2 years ago
I agree with Ahmed, because the oplog is stored in the local database.
AH
Ahmed
2 years ago
I think the answer is D) local.oplog.rs.