Impala Public Jenkins has submitted this change and it was merged. ( 
http://gerrit.cloudera.org:8080/24481 )

Change subject: IMPALA-15086: Add stress tests for Iceberg V3 tables
......................................................................

IMPALA-15086: Add stress tests for Iceberg V3 tables

Extend existing Iceberg stress tests to also cover V3 tables which use
deletion vectors instead of positional delete files.

- Parameterize iceberg-update-stress.test with $FORMAT_VERSION so both
  V2 and V3 are exercised from a single test file.
- Add V3 variants to the concurrent update and concurrent
  delete+update+optimize stress tests.
- Hive-based concurrent tests are not extended to V3 since Hive does not
  support V3 deletion vectors.

Testing: existing V2 tests still pass; V3 variants exercise the same
invariants (column sums, consecutive id ranges, no orphan files).

Change-Id: I7a3f2c8e9d1b4a6e5f0c3d2b1a9e8f7d6c5b4a3e
Assisted-by: Claude Opus 4.6 <[email protected]>
Reviewed-on: http://gerrit.cloudera.org:8080/24481
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
---
M 
testdata/workloads/functional-query/queries/QueryTest/iceberg-update-stress.test
M tests/stress/test_update_stress.py
2 files changed, 55 insertions(+), 32 deletions(-)

Approvals:
  Impala Public Jenkins: Looks good to me, approved; Verified

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Gerrit-Project: Impala-ASF
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I7a3f2c8e9d1b4a6e5f0c3d2b1a9e8f7d6c5b4a3e
Gerrit-Change-Number: 24481
Gerrit-PatchSet: 4
Gerrit-Owner: Zoltan Borok-Nagy <[email protected]>
Gerrit-Reviewer: Impala Public Jenkins <[email protected]>
Gerrit-Reviewer: Noemi Pap-Takacs <[email protected]>
Gerrit-Reviewer: Peter Rozsa <[email protected]>

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