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Cisco 500-425 Exam - Topic 5 Question 7 Discussion

Java APM agents used in a production environment are consistently found to be disabled while no development environments exhibit this behavior Given that agents in both environments use the default configuration, what solution should be implemented to resolve this issue?
D) Enable heap-storage-monitor-enabled setting on agent.
A) Enable agent auto-restart in the controller Ul.
B) Increase heap space for agent
C) Decrease worker thread count

Cisco 500-425 Exam - Topic 5 Question 7 Discussion

Actual exam question for Cisco's 500-425 exam
Question #: 7
Topic #: 5
[All 500-425 Questions]

Java APM agents used in a production environment are consistently found to be disabled while no development environments exhibit this behavior Given that agents in both environments use the default configuration, what solution should be implemented to resolve this issue?

Show Suggested Answer Hide Answer
Suggested Answer: D

One possible reason why Java APM agents used in a production environment are consistently found to be disabled while no development environments exhibit this behavior is that the production agents are running out of heap memory and crashing. This can happen if the production agents are monitoring a high volume of business transactions, metrics, or snapshots, and the default heap size is not sufficient to handle the load. To resolve this issue, you can enable the heap-storage-monitor-enabled setting on the agent, which allows the agent to monitor its own heap usage and automatically reduce the amount of data it collects when the heap usage reaches a certain threshold. This can help to prevent the agent from running out of memory and crashing.You can also adjust the heap-storage-monitor-threshold setting to specify the percentage of heap usage that triggers the data reduction1.Alternatively, you can also increase the heap space for the agent by using the -Xmx option in the agent startup script, but this may require more resources from the host machine2.

The other options are not valid solutions to resolve this issue. Enabling agent auto-restart in the controller UI will not prevent the agent from crashing due to heap exhaustion, but only restart the agent after it crashes.This may cause data loss and performance degradation3. Decreasing the worker thread count will not affect the heap usage of the agent, but only limit the number of concurrent tasks that the agent can execute. This may reduce the agent throughput and responsiveness.

https://docs.appdynamics.com/display/PRMY22/Java+Agent

https://docs.appdynamics.com/appd/23.x/latest/en/application-security-monitoring/cisco-secure-application-requirements


by Cordelia at Jan 28, 2024, 06:00 PM

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Nathan
9 months ago
Decreasing worker thread count seems counterproductive.
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Kimberlie
9 months ago
Why would the agents be disabled in production but not dev? That's odd.
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Louvenia
10 months ago
Not sure if increasing heap space will help here.
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Gayla
10 months ago
I think enabling auto-restart is the way to go!
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Galen
10 months ago
Sounds like a classic config issue.
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Glory
10 months ago
Decreasing worker thread count seems off to me. I thought that would just slow things down instead of fixing the agent issue.
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Lonny
11 months ago
I feel like we discussed the heap-storage-monitor setting in class. It might be worth considering, but I can't recall the specifics.
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Katina
11 months ago
This seems similar to a practice question we had on agent settings. I think increasing heap space could help, but I’m not entirely convinced.
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Minna
11 months ago
I remember something about agent configurations, but I'm not sure if enabling auto-restart is the right approach.
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Dorsey
11 months ago
The heap-storage-monitor-enabled setting seems interesting. I'll have to look into what that does and how it could help resolve the issue. Definitely want to understand that one better.
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Adolph
11 months ago
I'm a bit confused on this one. Increasing the heap space or decreasing the worker threads - not sure how that would help with the agents getting disabled. Might need to do some more research on that.
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Jacqueline
11 months ago
Okay, let's see. The key seems to be that the agents are disabled in production but not in development. I wonder if the configuration is really the same...
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Bronwyn
11 months ago
Hmm, this seems like a tricky one. I'll need to think through the different options carefully.
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Emile
11 months ago
Ah, I think I've got it! The auto-restart option sounds like the best bet to me. If the agents are consistently getting disabled, that should help keep them running.
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Ailene
11 months ago
Hmm, I'm a bit unsure about this one. I'll need to review my notes on the relationship between test analysis/design and defect discovery.
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Golda
11 months ago
Tracking estimated effort metrics could be helpful, but I'm not sure if that should be tied to performance evaluation. That might create the wrong incentives.
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Tyisha
11 months ago
I'm pretty confident that the PESTEL framework is used to identify the key factors in the business environment that are likely to affect a company's performance. That seems like the most logical objective.
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Renay
2 years ago
Haha, I bet the developers are just trying to save some memory in production. You know, like, 'Oh, the agents are just slowing things down, let's just turn them off.' But seriously, I think option B might be worth a shot. Increasing the heap space for the agents could help them stay alive and avoid getting disabled. Worth a try, right?
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Serita
2 years ago
Definitely worth a shot!
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Felix
2 years ago
B) Increase heap space for agent
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Caprice
2 years ago
I agree, maybe increasing heap space will do the trick.
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Tanja
2 years ago
D) Enable heap-storage-monitor-enabled setting on agent.
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Cherelle
2 years ago
Haha, yeah, developers always try to save memory.
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Vi
2 years ago
B) Increase heap space for agent
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Jacquline
2 years ago
A) Enable agent auto-restart in the controller UI.
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Van
2 years ago
I agree with Izetta. We need to understand the root cause before jumping to a solution. Option D sounds like a good place to start. Although, I have to say, I'm a bit surprised that the agents are being disabled in production but not in development. That sounds like a strange discrepancy that needs to be addressed.
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Izetta
2 years ago
I'm not so sure about option A. What if the agents are getting disabled for a reason, and auto-restart just masks the underlying issue? Maybe we should look into why the agents are being disabled in the first place. I'd be more inclined to go with option D and enable the heap-storage-monitor-enabled setting. That might give us some insights into what's causing the problem.
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Emeline
2 years ago
Hmm, this is an interesting question. It seems like the issue is specific to the production environment, so the solution should be tailored to that environment. I'm leaning towards option A - enabling agent auto-restart in the controller UI. That way, if the agents get disabled, they'll automatically restart, which could help resolve the issue.
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