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Type:
Bug
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Resolution: Duplicate
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Priority:
Major - P3
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None
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Affects Version/s: None
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Component/s: None
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5
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Storage Engines 2019-12-30, Storage Engines 2020-01-13
We started to see __wt_txn_release_snapshot assertion failure on mongodb-4.0 branch for LSM data source since Dec 5. The failure rate for the format stress sanitizer job was high (6/7) on mongodb-4.0 for the past few days because of this assertion failure.
http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress-sanitizer-old-branches/1822/
++ nice ./t file_type=row leaf_page_max=9 internal_page_max=9 key_min=256 value_min=10 [1575856277:408143][4879:0x7f36a39ed700], t, file:WiredTiger.wt, WT_CURSOR.reset: __wt_txn_release_snapshot, 129: txn_state->pinned_id == WT_TXN_NONE || session->txn.isolation == WT_ISO_READ_UNCOMMITTED || !__wt_txn_visible_all(session, txn_state->pinned_id, WT_TS_NONE) [1575856277:408243][4879:0x7f36a39ed700], t, file:WiredTiger.wt, WT_CURSOR.reset: __wt_abort, 28: aborting WiredTiger library t: process 4879 /tmp/jenkins2836742500296224650.sh: line 33: 4879 Aborted (core dumped) nice ./t file_type=row leaf_page_max=9 internal_page_max=9 key_min=256 value_min=10
The configuration:
############################################ # RUN PARAMETERS ############################################ abort=0 alter=0 assert_commit_timestamp=0 assert_read_timestamp=0 auto_throttle=1 backups=0 bitcnt=2 bloom=1 bloom_bit_count=50 bloom_hash_count=6 bloom_oldest=1 cache=69 cache_minimum=0 checkpoints=wiredtiger checkpoint_log_size=67 checkpoint_wait=46 checksum=uncompressed chunk_size=9 compaction=0 compression=snappy data_extend=0 data_source=lsm delete_pct=81 dictionary=0 direct_io=0 encryption=rotn-7 evict_max=5 file_type=row-store firstfit=0 huffman_key=0 huffman_value=0 independent_thread_rng=1 in_memory=0 insert_pct=8 internal_key_truncation=1 internal_page_max=9 isolation=snapshot key_gap=13 key_max=256 key_min=256 leaf_page_max=9 leak_memory=0 logging=1 logging_archive=1 logging_compression=none logging_file_max=179407 logging_prealloc=1 long_running_txn=0 lsm_worker_threads=4 memory_page_max=7 merge_max=6 mmap=1 modify_pct=0 ops=100000 prefix_compression=0 prefix_compression_min=6 prepare=0 quiet=1 random_cursor=0 read_pct=9 rebalance=1 repeat_data_pct=86 reverse=0 rows=100000 runs=1 salvage=1 split_pct=84 statistics=1 statistics_server=0 threads=1 timer=360 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=0 timing_stress_split_5=0 timing_stress_split_6=0 timing_stress_split_7=0 timing_stress_split_8=0 transaction_timestamps=0 transaction-frequency=100 truncate=0 value_max=3837 value_min=10 verify=1 wiredtiger_config= write_pct=2 ############################################