varun-lakhyani commented on PR #16219:
URL: https://github.com/apache/iceberg/pull/16219#issuecomment-4419142306
Objective is to Measure how the number of input files affects
rewriteDataFiles latency, keeping total data volume fixed at 2,000,000 rows and
varying the number of files those rows are repartitioned into - to measure the
effect of cloud object-store latency on compaction with increasing file counts.
Machine: MacBook Pro, Apple M4 (10 cores, 16 GB RAM), macOS 26.3.1, OpenJDK
21.0.10
Benchmark: JMH SingleShotTime, 3 warmup + 10 measurement iterations, 1
thread, 1 fork
Data: 2,000,000 rows (fixed), repartitioned into 250 / 500 / 1,000 / 2,000
files
Storage: Amazon S3 (ap-south-1), FileIO: S3FileIO, rewrite strategy:
rewrite-all=true
Result graph is attached:
<img width="1600" height="933" alt="Code_Generated_Image (1)"
src="https://github.com/user-attachments/assets/bdd874c2-b8ca-4353-ab81-555b9190ad62";
/>
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