Test 03221_s3_imds_decent_timeout is flaky #68579
Description
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Question
When running the GitHub action pipeline in my PR #66478
During the execution of the test 03221_s3_imds_decent_timeout, an error was encountered while attempting to extract the table structure from a TSV format file. The error message indicated that the TSV file was empty, preventing ClickHouse from extracting the table structure. This caused the test to fail with the exception (CANNOT_EXTRACT_TABLE_STRUCTURE).
Here is the actual log:
03221_s3_imds_decent_timeout FAIL 2.98
2024-08-19 05:07:36 Reason: having stderror:
2024-08-19 05:07:36 Code: 636. DB::Exception: The table structure cannot be extracted from a TSV format file. Error:
2024-08-19 05:07:36 The table structure cannot be extracted from a TSV format file: the file is empty.
2024-08-19 05:07:36 You can specify the structure manually. (CANNOT_EXTRACT_TABLE_STRUCTURE)
2024-08-19 05:07:36
2024-08-19 05:07:36 stdout:
2024-08-19 05:07:36 1
2024-08-19 05:07:36
2024-08-19 05:07:36
2024-08-19 05:07:36 MergeTree settings used in test: --ratio_of_defaults_for_sparse_serialization 1.0 --prefer_fetch_merged_part_size_threshold 10361429275 --vertical_merge_algorithm_min_rows_to_activate 447845 --vertical_merge_algorithm_min_columns_to_activate 1 --allow_vertical_merges_from_compact_to_wide_parts 0 --min_merge_bytes_to_use_direct_io 10737418240 --index_granularity_bytes 10119523 --merge_max_block_size 13702 --index_granularity 24570 --min_bytes_for_wide_part 1010850259 --marks_compress_block_size 65143 --primary_key_compress_block_size 79356 --replace_long_file_name_to_hash 1 --max_file_name_length 0 --min_bytes_for_full_part_storage 0 --compact_parts_max_bytes_to_buffer 169675090 --compact_parts_max_granules_to_buffer 95 --compact_parts_merge_max_bytes_to_prefetch_part 15848041 --cache_populated_by_fetch 0 --concurrent_part_removal_threshold 100 --old_parts_lifetime 14
2024-08-19 05:07:36
2024-08-19 05:07:36 Database: test_vpabh04o
I could not find further detail on what's the cause of this error...
Can someone please help me out? Thank you!