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You are using JDBC source connector to copy data from 3 tables to three Kafka topics. There is one connector created with max.tasks equal to 2 deployed on a cluster of 3 workers. How many tasks are launched?
Suggested Answer: A
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Since Confluent 5.4.0, Avro 1.9.1 is used. Since default value was added to enum complex type , the schema resolution changed from:
(<1.9.1) if both are enums:** if the writer's symbol is not present in the reader's enum, then an error is signalled. **(>=1.9.1) if both are enums:
if the writer's symbol is not present in the reader's enum and the reader has a default value, then that value is used, otherwise an error is signalled.
38 comments · newest first
JA
Jarod
10 months ago
I’m surprised it’s not more with 3 workers!
LE
Leonida
11 months ago
I think it’s 2 too, makes sense.
AM
Ammie
11 months ago
Wait, why not 3? There are 3 tables!
EL
Elin
11 months ago
Totally agree, max.tasks limits it.
LE
Lelia
11 months ago
Only 2 tasks will be launched.
FE
Fernanda
12 months ago
Wait, could it be that the number of tasks is limited by the number of tables too? I feel like I need to double-check that.
FI
Fidelia
12 months ago
I practiced a similar question where the number of tasks was equal to the max.tasks, so I’m leaning towards 2 as the answer.
GA
Gail
12 months ago
I'm not entirely sure, but I remember something about tasks being distributed across workers. Does that mean we could have fewer tasks than workers?
JE
Jerry
1 year ago
I think the max.tasks setting determines how many tasks can run, so it should be 2, right?
LO
Loise
1 year ago
I'm pretty confident that the answer is 2 tasks launched. The max.tasks setting limits the number of tasks, and with 3 workers, the connector will launch up to 2 tasks.
RA
Raymon
1 year ago
Okay, let me break this down step-by-step. We have 1 connector with max.tasks=2, and 3 workers. So the number of tasks launched should be the minimum of those two values, which is 2.
BE
Benton
1 year ago
Hmm, I'm a bit confused about how the max.tasks setting interacts with the number of workers. I'll need to review the JDBC source connector documentation to make sure I understand this properly.
CA
Catalina
1 year ago
This seems straightforward. I'll think through the max.tasks setting and the number of workers to determine the number of tasks launched.
CE
Celia
1 year ago
I'm feeling pretty confident about this one. The index level that limits the logical operators is IndexNone, so I'll select option A.
VE
Veronica
1 year ago
Hmm, this is a tricky one. I'm a little unsure about the exact order of the steps in the Procure to Pay cycle. I'll need to think this through carefully.
AR
Aretha
1 year ago
I remember DMVPN being flexible for dynamic tunnel creation, but I'm not sure if it supports multicast effectively.
KA
Karon
1 year ago
I feel like the scatter plot option could help us see relationships, but both scatter and histograms might give different perspectives.
JA
Jacki
1 year ago
This seems like a straightforward question. I think the key is to identify services that can handle session state data in a highly available way.
DO
Dorothy
1 year ago
Wait, so the connector is deployed on a cluster of 3 workers, but the max.tasks is set to 2? That's like putting a Ferrari engine in a Prius, what's the point?
JO
Jose
1 year ago
A) 2
DO
Dorethea
1 year ago
C) 3
NI
Nikita
1 year ago
A) 2
CH
Chantell
1 year ago
I'm going with C. 3 tasks, one for each table, because the connector is deployed on a cluster of 3 workers.
ED
Edna
1 year ago
Hmm, I'm not sure about this one. Is the number of workers relevant here? I'll have to think this through a bit more.
MA
Marti
1 year ago
C) 3
LA
Lai
1 year ago
I think it's 2 tasks because the max.tasks is set to 2.
HU
Huey
1 year ago
A) 2
DE
Delsie
1 year ago
D is the correct answer. The connector will launch 6 tasks, 2 tasks for each of the 3 tables.
GA
Galen
1 year ago
D) 6
CA
Carisa
1 year ago
C) 3
LA
Lajuana
1 year ago
A) 2
KA
Karl
1 year ago
I think the answer is B since the max.tasks is set to 2, so only 1 task will be launched.
JU
Juliana
1 year ago
C) 3
KY
Kyoko
1 year ago
B) 1
GI
Giovanna
1 year ago
A) 2
HY
Hyun
1 year ago
I'm not sure about this. Shouldn't it be D) 6 since there are 3 tables and 3 workers?
VI
Virgie
2 years ago
I agree with Viva. With max.tasks set to 2, each worker can run 1 task, so a total of 3 tasks will be launched.
VI
Viva
2 years ago
I think the answer is C) 3.