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  1. WiredTiger
  2. WT-4208

tree walks can be interrupted by locked internal pages

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major - P3
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 3.6.9, 4.0.2, 4.1.2, WT3.2.0
    • Component/s: None
    • Labels:
      None
    • Sprint:
      Storage Engines 2018-07-30, Storage Engines 2018-08-13
    • Backport Requested:
      v4.0, v3.6

      Description

      It looks like we lost track of a hazard pointer in the lookaside file:

      http://build.wiredtiger.com:8080/job/wiredtiger-test-race-condition-stress-sanitizer/26394/console

      file:WiredTigerLAS.wt, evict pass: __wt_hazard_clear, 236: session 0x7fa1075a5c60: clear hazard pointer: 0x60600049e6e0: not found: Invalid argument
      file:WiredTigerLAS.wt, evict pass: __wt_panic, 525: the process must exit and restart: WT_PANIC: WiredTiger library panic
      file:WiredTigerLAS.wt, evict pass: __wt_abort, 30: aborting WiredTiger library
       
      ############################################
      #  RUN PARAMETERS
      ############################################
      abort=0
      alter=1
      auto_throttle=1
      backups=0
      bitcnt=5
      bloom=1
      bloom_bit_count=50
      bloom_hash_count=10
      bloom_oldest=0
      cache=31
      cache_minimum=20
      checkpoints=on
      checkpoint_log_size=92
      checkpoint_wait=76
      checksum=uncompressed
      chunk_size=6
      compaction=0
      compression=none
      data_extend=0
      data_source=file
      delete_pct=58
      dictionary=0
      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=2
      internal_key_truncation=0
      internal_page_max=14
      isolation=random
      key_gap=18
      key_max=28
      key_min=28
      leaf_page_max=16
      leak_memory=0
      logging=1
      logging_archive=0
      logging_compression=zlib
      logging_file_max=368397
      logging_prealloc=0
      long_running_txn=0
      lsm_worker_threads=3
      merge_max=19
      mmap=0
      modify_pct=1
      ops=0
      prefix_compression=0
      prefix_compression_min=5
      prepare=0
      quiet=1
      read_pct=12
      rebalance=1
      repeat_data_pct=13
      reverse=0
      rows=1000000
      runs=1
      salvage=1
      split_pct=85
      statistics=0
      statistics_server=0
      threads=31
      timer=4
      timing_stress_checkpoint=0
      timing_stress_lookaside_sweep=0
      timing_stress_split_1=1
      timing_stress_split_2=0
      timing_stress_split_3=0
      timing_stress_split_4=1
      timing_stress_split_5=0
      timing_stress_split_6=1
      timing_stress_split_7=0
      timing_stress_split_8=0
      transaction_timestamps=1
      transaction-frequency=70
      truncate=1
      value_max=3881
      value_min=7
      verify=1
      wiredtiger_config=
      write_pct=27
      ############################################
      

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              Assignee:
              keith.bostic Keith Bostic
              Reporter:
              keith.bostic Keith Bostic
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                Dates

                Created:
                Updated:
                Resolved: