A format failure, reproduces for me.
t: read_row: row 16884: not found in Berkeley DB, found in WiredTiger
or
Build failed in Jenkins: wiredtiger-test-format-stress-sanitizer #2628
read_row: read row value mismatch 19166:
bdb {0000019166/LMNOPQRSTUVWXYZABCDEFG}
wt {0000019166/LMNOPQRSTUVWXYZABCDEFGH}
Here's the CONFIG:
############################################ # RUN PARAMETERS ############################################ auto_throttle=1 firstfit=0 bitcnt=3 bloom=1 bloom_bit_count=28 bloom_hash_count=31 bloom_oldest=1 cache=120 checkpoints=1 checksum=uncompressed chunk_size=4 compaction=1 compression=none data_extend=0 data_source=lsm delete_pct=31 dictionary=0 evict_max=4 file_type=row-store backups=0 huffman_key=0 huffman_value=0 insert_pct=64 internal_key_truncation=1 internal_page_max=11 isolation=read-uncommitted key_gap=17 key_max=22 key_min=18 leak_memory=0 leaf_page_max=16 logging=1 lsm_worker_threads=4 merge_max=16 mmap=1 ops=100000 prefix_compression=0 prefix_compression_min=6 repeat_data_pct=44 reverse=0 rows=100000 runs=1 split_pct=60 statistics=0 threads=1 timer=0 value_max=2843 value_min=16 wiredtiger_config= write_pct=58 ############################################