SPLK-1002 Advanced Visualization and Lookups Practice Question
A lookup table file contains 10GB of data. When performing a lookup using the lookup command, search performance is extremely slow. Which approach will most effectively improve performance without losing functionality?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Convert the lookup to a KV store lookup.
Converting the lookup to a KV store lookup leverages a key-value store optimized for fast retrieval, significantly improving performance for large datasets. Options A, B, C, and D are less effective or reduce functionality: splitting into multiple files (A) adds complexity without addressing performance; loading into memory (B) may cause memory issues; increasing max_memtable_bytes (C) can lead to instability; time-based lookup (D) restricts the lookup to a limited time range, losing functionality.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Split the lookup into multiple smaller files and use a chain of lookups.
Why it's wrong here
This adds complexity and does not address the underlying performance issue; it may even degrade performance.
- ✗
Use the inputlookup command to load the entire table into memory.
Why it's wrong here
inputlookup loads the entire file into memory, which may cause performance issues or memory errors with 10GB.
- ✗
Set the max_memtable_bytes in limits.conf to increase memory.
Why it's wrong here
Increasing memory may help but does not optimize the lookup structure; it risks out-of-memory errors.
- ✗
Create a time-based lookup with limited time range.
Why it's wrong here
Time-based lookups restrict searches by time, which may not be applicable and could lose data coverage.
- ✓
Convert the lookup to a KV store lookup.
Why this is correct
KV store lookups are optimized for large datasets and provide faster lookups compared to file-based lookups.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SPLK-1002 practice question is part of Courseiva's free Splunk certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the SPLK-1002 exam.