Major - P3 While rerunning/repro'ing the CONFIG for WT-5043 with some debugging my 20-parallel process script failed with a mis-match failure. This was not expected.
snapshot-isolation 1191242 search mismatch
expected {}
found {DUPLICATEV/LMNOPQRSTUVWXY}
For completeness, I'll repeat the CONFIG from that ticket.
############################################ # RUN PARAMETERS ############################################ abort=0 alter=0 assert_commit_timestamp=0 assert_read_timestamp=0 auto_throttle=1 backups=1 bitcnt=6 bloom=1 bloom_bit_count=26 bloom_hash_count=17 bloom_oldest=0 cache=174 cache_minimum=20 checkpoints=on checkpoint_log_size=142 checkpoint_wait=6 checksum=uncompressed chunk_size=6 compaction=0 compression=lz4 data_extend=1 data_source=file delete_pct=3 dictionary=0 direct_io=0 encryption=none evict_max=1 file_type=variable-length column-store firstfit=0 huffman_key=0 huffman_value=0 independent_thread_rng=1 in_memory=0 insert_pct=95 internal_key_truncation=1 internal_page_max=17 isolation=snapshot key_gap=0 key_max=98 key_min=29 leaf_page_max=15 leak_memory=0 logging=1 logging_archive=1 logging_compression=snappy logging_file_max=113556 logging_prealloc=0 long_running_txn=0 lsm_worker_threads=3 memory_page_max=3 merge_max=8 mmap=1 modify_pct=2 ops=0 prefix_compression=1 prefix_compression_min=6 prepare=0 quiet=1 read_pct=0 rebalance=1 repeat_data_pct=79 reverse=0 rows=1000000 runs=1 salvage=1 split_pct=95 statistics=0 statistics_server=0 threads=29 timer=4 timing_stress_aggressive_sweep=1 timing_stress_checkpoint=0 timing_stress_lookaside_sweep=0 timing_stress_split_1=0 timing_stress_split_2=0 timing_stress_split_3=0 timing_stress_split_4=1 timing_stress_split_5=0 timing_stress_split_6=1 timing_stress_split_7=0 timing_stress_split_8=0 transaction_timestamps=1 transaction-frequency=100 truncate=1 value_max=728 value_min=18 verify=1 wiredtiger_config= write_pct=0 ############################################