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A Big Data customer wants to run POI transformations on Spark on their production Hadoop cluster using Pentaho's Adaptive Execution Layer (AEL)
What are two steps for installing AEL? (Choose two.)
Choose 2 answers
Suggested Answer: A
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36 comments · newest first
AN
Angelica
10 months ago
Totally agree, YARN Mode is the way to go!
YO
Youlanda
11 months ago
I thought you had to get the AEL daemon zip first, right?
GL
Glennis
11 months ago
Wait, can you really run it in Local Mode? Seems off.
LA
Lashandra
11 months ago
Definitely configure the AEL daemon in YARN Mode!
BR
Britt
11 months ago
You need to run the AEL Oozie job to install it.
BE
Belen
12 months ago
I definitely recall that configuring the AEL daemon is crucial, but I can't remember if it's Local or YARN Mode that we need to focus on.
CO
Colette
12 months ago
I’m a bit confused about whether we should run the AEL Oozie job or configure it in Local Mode. They both seem important.
NO
Noah
12 months ago
I feel like we discussed running the Spark application butter tool to get the AEL daemon zip file in our last practice session.
CA
Candida
1 year ago
I think I remember that we need to configure the AEL daemon in YARN Mode, but I'm not entirely sure about the other step.
KR
Kristin
1 year ago
Alright, time to put my Hadoop and Spark knowledge to the test. I've got a good strategy for this, so I'm feeling pretty good about my chances.
EL
Eladia
1 year ago
I'm pretty confident I know the answer to this one. The steps seem straightforward - I just need to make sure I select the right options.
LO
Loreta
1 year ago
Okay, let's see. I think the key is figuring out how to install the AEL daemon. The question mentions Spark and Hadoop, so I'll need to focus on those technologies.
PA
Patti
1 year ago
Hmm, this looks like a tricky one. I'll need to think through the steps carefully to make sure I don't miss anything.
LA
Lai
1 year ago
I'm a bit confused about the difference between Local Mode and YARN Mode for the AEL daemon. I'll need to review the documentation to make sure I understand the implications of each.
MA
Marylou
1 year ago
This seems like a straightforward OSPF configuration question. I think the key is to look at the interface type and priority settings to prevent the DRother routers from participating in the DR/BDR election.
GE
Georgeanna
1 year ago
Okay, let me think this through. The key seems to be the different VLAN configurations on the two interfaces. I'll need to carefully consider how that impacts the ability to form an aggregation group.
KA
Kallie
1 year ago
The key is understanding how the access points fail over when the primary controller fails. The priority levels determine the order in which they take over.
LE
Leonie
1 year ago
I practiced a question similar to this, and I remember that migrating L3Outs could definitely help with resource issues.
LO
Lore
1 year ago
Okay, so I'm guessing the correct answers are B and D, since those seem to be the only options that actually mention configuring the AEL daemon. But who knows, maybe the 'Spark application butter tool' is the secret sauce we've all been missing!
BI
Billi
1 year ago
Ah, the joys of Big Data! I bet the customer wants to use AEL to add a little sprinkle of magic to their POI transformations. But seriously, these options are a bit confusing. Maybe I should just call the IT guy and ask for the cliff notes version.
JE
Jettie
1 year ago
D: Calling the IT guy might be a good idea to clarify any confusion with the installation steps.
SH
Shawnda
1 year ago
C: Running the AEL Oozie job is also important for installing the AEL daemon.
DU
Dusti
1 year ago
B: Yeah, and don't forget to configure the AEL daemon in YARN Mode.
LE
Lewis
1 year ago
A: I think you should run the Spark application butter tool to get the AEL daemon zip file.
LA
Lashawnda
1 year ago
Alright, let's see here. YARN Mode sounds like the way to go, but I'm not sure if I want to be running an Oozie job just to install the AEL daemon. Seems a bit overkill, don't you think?
AN
Annice
1 year ago
A: Definitely, YARN Mode sounds like the way to go for installing AEL.
ME
Melynda
1 year ago
B: Yeah, I think configuring the AEL daemon in YARN Mode would be a simpler option.
LE
Levi
1 year ago
A: I agree, running an Oozie job just to install the AEL daemon seems like a lot of extra work.
EA
Earlean
1 year ago
Hmm, I wonder if the 'Spark application butter tool' is a real thing or if it's just a typo. Either way, I'm not sure I want to be running any 'butter tools' on my production cluster!
TE
Teri
1 year ago
User4: That makes sense. We definitely don't want any butter involved in our production cluster!
PE
Pete
1 year ago
User3: I believe the correct step is to run the Spark application builder tool to obtain the AEL daemon zip file.
IR
Irving
1 year ago
User2: Yeah, it does sound a bit strange. I wouldn't want to run any 'butter tools' either.
SH
Shawnta
1 year ago
User1: I think the 'Spark application butter tool' might be a typo.
BE
Bethanie
2 years ago
Yes, that sounds right. And we also need to configure the AEL daemon in YARN Mode.
ME
Melinda
2 years ago
I believe we should run the Spark application butter tool to obtain the AEL daemon zip file.
BE
Bethanie
2 years ago
I think we need to install AEL for running POI transformations on Spark.