[26.1] Iceberg stress testing and performance tuning#1599

kbatuigas wants to merge 1 commit intov-WIP/26.1redpanda-data/docs:v-WIP/26.1from

DOC-1848-Document-feature-Iceberg-stress-testingredpanda-data/docs:DOC-1848-Document-feature-Iceberg-stress-testingCopy head branch name to clipboard