Tester(s):
http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress/17616
http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-zseries/2590
Occurred on the test-format-stress testers on both x86 and zSeries platforms.
x86 Config
abort=0 auto_throttle=1 backups=0 bitcnt=6 bloom=1 bloom_bit_count=13 bloom_hash_count=12 bloom_oldest=0 cache=84 checkpoints=1 checksum=uncompressed chunk_size=9 compaction=0 compression=none data_extend=0 data_source=file delete_pct=14 dictionary=0 direct_io=0 encryption=rotn-7 evict_max=0 file_type=row-store firstfit=0 huffman_key=0 huffman_value=0 in_memory=0 insert_pct=7 internal_key_truncation=1 internal_page_max=16 isolation=snapshot key_gap=14 key_max=37 key_min=11 leaf_page_max=11 leak_memory=0 logging=0 logging_archive=0 logging_compression=none logging_prealloc=1 long_running_txn=0 lsm_worker_threads=4 merge_max=6 mmap=1 ops=100000 prefix_compression=1 prefix_compression_min=0 quiet=1 repeat_data_pct=79 reverse=0 rows=100000 runs=100 rebalance=1 salvage=1 split_pct=65 statistics=0 statistics_server=0 threads=2 timer=20 transaction-frequency=64 value_max=3918 value_min=9 verify=1 wiredtiger_config= write_pct=13
zSeries Config
abort=0 auto_throttle=1 backups=0 bitcnt=4 bloom=1 bloom_bit_count=41 bloom_hash_count=12 bloom_oldest=0 cache=43 checkpoints=1 checksum=uncompressed chunk_size=10 compaction=0 compression=snappy data_extend=0 data_source=file delete_pct=1 dictionary=0 direct_io=0 encryption=none evict_max=0 file_type=row-store firstfit=0 huffman_key=0 huffman_value=0 in_memory=0 insert_pct=23 internal_key_truncation=1 internal_page_max=9 isolation=read-uncommitted key_gap=15 key_max=126 key_min=21 leaf_page_max=15 leak_memory=0 logging=0 logging_archive=0 logging_compression=none logging_prealloc=0 long_running_txn=0 lsm_worker_threads=3 merge_max=16 mmap=1 ops=100000 prefix_compression=1 prefix_compression_min=5 quiet=1 repeat_data_pct=53 reverse=1 rows=100000 runs=100 rebalance=1 salvage=1 split_pct=57 statistics=0 statistics_server=0 threads=29 timer=20 transaction-frequency=35 value_max=1865 value_min=15 verify=1 wiredtiger_config= write_pct=84