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  1. WiredTiger
  2. WT-4385

Prepare-conflict during a cursor scan can return the wrong key

    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • 4.0.5, 4.1.5, WT3.2.0
    • Affects Version/s: None
    • Component/s: None
    • None
    • Storage Engines 2018-11-05

      A cursor out of order was detected and failed wiredtiger-test-race-condition-stress-sanitizer job on ocelot.

      http://build.wiredtiger.com:8080/job/wiredtiger-test-race-condition-stress-sanitizer/27811/console

      t: FAILED: WT_CURSOR.prev returned {0000632906.00/opqrstuvwxyzabcdefghij} then {0000665907.00/opqrstuvwxyzabcdefghijklmno}
      process aborting
      /tmp/jenkins2764704174526656478.sh: line 34: 26034 Aborted                 nice ./t -1 -c CONFIG
      

      No core dump generated. build_posix directory archived under /home/jenkins/jenkins/workspace/wiredtiger-test-race-condition-stress-sanitizer/

      The configuration:

      ############################################
      #  RUN PARAMETERS
      ############################################
      abort=0
      alter=0
      auto_throttle=1
      backups=1
      bitcnt=4
      bloom=1
      bloom_bit_count=10
      bloom_hash_count=22
      bloom_oldest=0
      cache=56
      cache_minimum=20
      checkpoints=wiredtiger
      checkpoint_log_size=78
      checkpoint_wait=31
      checksum=uncompressed
      chunk_size=7
      compaction=0
      compression=zlib
      data_extend=0
      data_source=table
      delete_pct=8
      dictionary=1
      direct_io=0
      encryption=none
      evict_max=5
      file_type=row-store
      firstfit=0
      huffman_key=0
      huffman_value=0
      independent_thread_rng=0
      in_memory=0
      insert_pct=1
      internal_key_truncation=1
      internal_page_max=16
      isolation=read-committed
      key_gap=10
      key_max=47
      key_min=25
      leaf_page_max=9
      leak_memory=0
      logging=0
      logging_archive=1
      logging_compression=none
      logging_file_max=91778
      logging_prealloc=1
      long_running_txn=0
      lsm_worker_threads=4
      memory_page_max=2
      merge_max=17
      mmap=1
      modify_pct=6
      ops=0
      prefix_compression=1
      prefix_compression_min=8
      prepare=1
      quiet=1
      read_pct=67
      rebalance=1
      repeat_data_pct=57
      reverse=0
      rows=1000000
      runs=1
      salvage=1
      split_pct=90
      statistics=0
      statistics_server=0
      threads=14
      timer=4
      timing_stress_checkpoint=0
      timing_stress_lookaside_sweep=0
      timing_stress_split_1=0
      timing_stress_split_2=1
      timing_stress_split_3=1
      timing_stress_split_4=0
      timing_stress_split_5=1
      timing_stress_split_6=0
      timing_stress_split_7=0
      timing_stress_split_8=0
      transaction_timestamps=1
      transaction-frequency=95
      truncate=1
      value_max=2241
      value_min=0
      verify=1
      wiredtiger_config=
      write_pct=18
      ############################################

        1. t
          12.38 MB

            Assignee:
            vamsi.krishna@mongodb.com Vamsi Boyapati
            Reporter:
            luke.chen@mongodb.com Luke Chen
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            0 Vote for this issue
            Watchers:
            7 Start watching this issue

              Created:
              Updated:
              Resolved: