Uploaded image for project: 'WiredTiger'
  1. WiredTiger
  2. WT-4644

column-store missing run-length encoding opportunities

    • Type: Icon: Bug Bug
    • Resolution: Fixed
    • Priority: Icon: Major - P3 Major - P3
    • WT3.2.0, 4.1.10
    • Affects Version/s: None
    • Component/s: None
    • None
    • 5
    • Storage Engines 2019-03-25, Storage Engines 2019-04-08

      http://build.wiredtiger.com:8080/job/wiredtiger-test-format-stress/70494/console

      ############################################
      #  RUN PARAMETERS
      ############################################
      abort=0
      alter=0
      auto_throttle=1
      backups=0
      bitcnt=7
      bloom=1
      bloom_bit_count=26
      bloom_hash_count=12
      bloom_oldest=0
      cache=128
      cache_minimum=20
      checkpoints=on
      checkpoint_log_size=89
      checkpoint_wait=78
      checksum=uncompressed
      chunk_size=5
      compaction=0
      compression=snappy
      data_extend=0
      data_source=table
      delete_pct=2
      dictionary=0
      direct_io=0
      encryption=none
      evict_max=0
      file_type=variable-length column-store
      firstfit=0
      huffman_key=0
      huffman_value=0
      independent_thread_rng=1
      in_memory=0
      insert_pct=9
      internal_key_truncation=1
      internal_page_max=14
      isolation=random
      key_gap=18
      key_max=37
      key_min=18
      leaf_page_max=17
      leak_memory=0
      logging=1
      logging_archive=1
      logging_compression=zlib
      logging_file_max=316459
      logging_prealloc=0
      long_running_txn=0
      lsm_worker_threads=3
      memory_page_max=2
      merge_max=16
      mmap=1
      modify_pct=17
      ops=0
      prefix_compression=1
      prefix_compression_min=5
      prepare=0
      quiet=1
      read_pct=72
      rebalance=1
      repeat_data_pct=27
      reverse=0
      rows=1000000
      runs=1
      salvage=1
      split_pct=76
      statistics=1
      statistics_server=0
      threads=32
      timer=4
      timing_stress_aggressive_sweep=0
      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=1
      timing_stress_split_6=0
      timing_stress_split_7=0
      timing_stress_split_8=0
      transaction_timestamps=1
      transaction-frequency=36
      truncate=1
      value_max=2170
      value_min=13
      verify=1
      wiredtiger_config=
      write_pct=0
      ############################################
      

            Assignee:
            keith.bostic@mongodb.com Keith Bostic (Inactive)
            Reporter:
            keith.bostic@mongodb.com Keith Bostic (Inactive)
            Votes:
            0 Vote for this issue
            Watchers:
            3 Start watching this issue

              Created:
              Updated:
              Resolved: