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  1. WiredTiger
  2. WT-4362

Non-zero update count detected when committing prepared transaction

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Duplicate
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: None
    • Labels:
    • Sprint:
      Storage Engines 2018-10-22

      Description

      An assertion failure fired in wiredtiger-test-race-condition-stress-sanitizer job on 'ocelot' that non-zero update count was detected while committing a prepared transaction. No core file was generated as it's a ASAN job. This looks related to recently merged WT-4220. 

      http://build.wiredtiger.com:8080/job/wiredtiger-test-race-condition-stress-sanitizer/27778/console

      + cat CONFIG
      # A reasonable configuration for stress testing.
      cache_minimum=20
      huffman_key=0
      huffman_value=0
      rows=1000000
      runs=100
      timer=4
      timing_stress_split_1=0
      timing_stress_split_2=0
      timing_stress_split_3=1
      timing_stress_split_4=0
      timing_stress_split_5=0
      timing_stress_split_6=1
      timing_stress_split_7=1
      + eval nice ./t -1 -c CONFIG
      ++ nice ./t -1 -c CONFIG
      [1539393119:775674][16752:0x7f4bfec40700], t, file:wt.wt, WT_SESSION.commit_transaction: __wt_txn_resolve_prepared_op, 360: txn->multi_update_count > 0
      [1539393119:775717][16752:0x7f4bfec40700], t, file:wt.wt, WT_SESSION.commit_transaction: __wt_abort, 30: aborting WiredTiger library
      t: process 16752
      /tmp/jenkins1771879522772183668.sh: line 34: 16752 Aborted                 nice ./t -1 -c CONFIG
      + cleanup
      + status=134 

      The configuration:

      ############################################
      #  RUN PARAMETERS
      ############################################
      abort=0
      alter=0
      auto_throttle=1
      backups=0
      bitcnt=1
      bloom=1
      bloom_bit_count=23
      bloom_hash_count=16
      bloom_oldest=0
      cache=42
      cache_minimum=20
      checkpoints=on
      checkpoint_log_size=73
      checkpoint_wait=9
      checksum=uncompressed
      chunk_size=7
      compaction=0
      compression=lz4
      data_extend=0
      data_source=table
      delete_pct=2
      dictionary=0
      direct_io=0
      encryption=rotn-7
      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=12
      internal_key_truncation=1
      internal_page_max=15
      isolation=read-committed
      key_gap=2
      key_max=125
      key_min=19
      leaf_page_max=16
      leak_memory=0
      logging=0
      logging_archive=0
      logging_compression=none
      logging_file_max=157272
      logging_prealloc=1
      long_running_txn=0
      lsm_worker_threads=4
      memory_page_max=1
      merge_max=17
      mmap=1
      modify_pct=71
      ops=0
      prefix_compression=0
      prefix_compression_min=8
      prepare=1
      quiet=1
      read_pct=13
      rebalance=1
      repeat_data_pct=36
      reverse=0
      rows=1000000
      runs=1
      salvage=1
      split_pct=98
      statistics=0
      statistics_server=0
      threads=21
      timer=4
      timing_stress_checkpoint=0
      timing_stress_lookaside_sweep=0
      timing_stress_split_1=0
      timing_stress_split_2=0
      timing_stress_split_3=1
      timing_stress_split_4=0
      timing_stress_split_5=0
      timing_stress_split_6=1
      timing_stress_split_7=1
      timing_stress_split_8=0
      transaction_timestamps=1
      transaction-frequency=2
      truncate=1
      value_max=402
      value_min=19
      verify=1
      wiredtiger_config=
      write_pct=2
      ############################################ 

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              Assignee:
              keith.bostic Keith Bostic
              Reporter:
              luke.chen Luke Chen
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                Dates

                Created:
                Updated:
                Resolved: