Hadoop - Performance Tuning
Which compression codec is known for the fastest compression and decompression speed in Hadoop?
Which compression codec is known for the fastest compression and decompression speed in Hadoop?
easy📝 Conceptual Q11 of 15
Step-by-Step Solution
Solution:
Step 1: Understand codec speed characteristics
Snappy is designed for speed, offering fast compression and decompression.Step 2: Compare with other codecs
Gzip compresses better but slower; LZO is fast but usually slower than Snappy; Bzip2 is slowest.Final Answer:
Snappy -> Option CQuick Check:
Fastest codec = Snappy [OK]
Quick Trick: Snappy is fastest codec for speed, not best compression [OK]
Common Mistakes:
- Confusing Gzip as fastest due to better compression
- Thinking LZO is faster than Snappy
- Assuming Bzip2 is fast
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