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You are building a consumer application that processes events from a Kafka topic. What is the most important metric to monitor to ensure real-time processing?
Suggested Answer: B
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This metric shows the current lag (number of messages behind the broker)
14 comments · newest first
EV
Eve
11 months ago
Really? I thought BytesInPerSec was the main metric to watch!
LA
Lashandra
11 months ago
UnderReplicatedPartitions can be a problem, but not the most critical.
CO
Colette
12 months ago
Wait, isn’t MessagesInPerSec also important?
JO
Jordan
12 months ago
Definitely agree with that! Lag is key.
GL
Gladys
12 months ago
I think records-lag-max is crucial for real-time processing.
CA
Carolynn
1 year ago
BytesInPerSec seems relevant too, but I guess it depends on how you define "real-time." I’d lean towards records-lag-max.
DA
Daniela
1 year ago
I’m a bit confused; I thought UnderReplicatedPartitions was key for reliability, but does it really affect real-time processing?
LI
Lisbeth
1 year ago
I remember practicing a question about Kafka metrics, and I feel like MessagesInPerSec was emphasized as important for throughput.
BO
Bobbye
1 year ago
I think the most critical metric for real-time processing is probably records-lag-max, but I'm not entirely sure.
AJ
Aja
1 year ago
Okay, I've got an idea. If they use an API to connect the inventory system to the website, customers could see accurate stock levels before visiting the store. That would prevent the frustration of finding items out of stock.
TI
Timothy
1 year ago
I'm feeling pretty confident about this one. I'm pretty sure the correct answer is D - Dashboards can have several tabs to display various types of charts. The other options don't seem to align with my understanding of IBM RPA Dashboards.
DE
Denise
1 year ago
None of the above seems unlikely; at least one of these attacks must be responsible. I feel like I need to think this through more.
LY
Lyda
1 year ago
I'm not entirely sure, but “Customer satisfaction” sounded familiar. Didn't we cover it in relation to overall service delivery?
TH
Therese
1 year ago
I practiced some questions on HA pairs before, but I'm not confident about when to use them versus clustering. Is option C really the right choice?