diff --git a/example-models/wpd19_10000/wpd19_10000.rocksdb/LOG b/example-models/wpd19_10000/wpd19_10000.rocksdb/LOG
deleted file mode 100644
index 7d503b8..0000000
--- a/example-models/wpd19_10000/wpd19_10000.rocksdb/LOG
+++ /dev/null
@@ -1,186 +0,0 @@
-2022/04/13-09:07:28.358675 7f8e67c75740 RocksDB version: 5.11.3
-2022/04/13-09:07:28.358828 7f8e67c75740 Git sha rocksdb_build_git_sha:dbd8fa09b823826dd2a30bc119dad7a6fa9a4c6d
-2022/04/13-09:07:28.358833 7f8e67c75740 Compile date Mar 15 2021
-2022/04/13-09:07:28.358848 7f8e67c75740 DB SUMMARY
-2022/04/13-09:07:28.358932 7f8e67c75740 CURRENT file:  CURRENT
-2022/04/13-09:07:28.358935 7f8e67c75740 IDENTITY file:  IDENTITY
-2022/04/13-09:07:28.358942 7f8e67c75740 MANIFEST file:  MANIFEST-000001 size: 13 Bytes
-2022/04/13-09:07:28.358947 7f8e67c75740 SST files in example-models/wpd19_10000/wpd19_10000.rocksdb dir, Total Num: 0, files: 
-2022/04/13-09:07:28.358955 7f8e67c75740 Write Ahead Log file in example-models/wpd19_10000/wpd19_10000.rocksdb: 000003.log size: 58782064 ; 
-2022/04/13-09:07:28.358962 7f8e67c75740                         Options.error_if_exists: 0
-2022/04/13-09:07:28.358968 7f8e67c75740                       Options.create_if_missing: 1
-2022/04/13-09:07:28.358971 7f8e67c75740                         Options.paranoid_checks: 1
-2022/04/13-09:07:28.358974 7f8e67c75740                                     Options.env: 0x7f8e5a163f40
-2022/04/13-09:07:28.358976 7f8e67c75740                                Options.info_log: 0x4ad0060
-2022/04/13-09:07:28.358979 7f8e67c75740                Options.max_file_opening_threads: 16
-2022/04/13-09:07:28.358982 7f8e67c75740                              Options.statistics: (nil)
-2022/04/13-09:07:28.358985 7f8e67c75740                               Options.use_fsync: 0
-2022/04/13-09:07:28.358987 7f8e67c75740                       Options.max_log_file_size: 0
-2022/04/13-09:07:28.358990 7f8e67c75740                  Options.max_manifest_file_size: 18446744073709551615
-2022/04/13-09:07:28.358993 7f8e67c75740                   Options.log_file_time_to_roll: 0
-2022/04/13-09:07:28.358995 7f8e67c75740                       Options.keep_log_file_num: 1000
-2022/04/13-09:07:28.358998 7f8e67c75740                    Options.recycle_log_file_num: 0
-2022/04/13-09:07:28.359000 7f8e67c75740                         Options.allow_fallocate: 1
-2022/04/13-09:07:28.359002 7f8e67c75740                        Options.allow_mmap_reads: 0
-2022/04/13-09:07:28.359005 7f8e67c75740                       Options.allow_mmap_writes: 0
-2022/04/13-09:07:28.359007 7f8e67c75740                        Options.use_direct_reads: 0
-2022/04/13-09:07:28.359036 7f8e67c75740                        Options.use_direct_io_for_flush_and_compaction: 0
-2022/04/13-09:07:28.359038 7f8e67c75740          Options.create_missing_column_families: 0
-2022/04/13-09:07:28.359041 7f8e67c75740                              Options.db_log_dir: 
-2022/04/13-09:07:28.359044 7f8e67c75740                                 Options.wal_dir: example-models/wpd19_10000/wpd19_10000.rocksdb
-2022/04/13-09:07:28.359046 7f8e67c75740                Options.table_cache_numshardbits: 6
-2022/04/13-09:07:28.359049 7f8e67c75740                      Options.max_subcompactions: 1
-2022/04/13-09:07:28.359051 7f8e67c75740                  Options.max_background_flushes: -1
-2022/04/13-09:07:28.359054 7f8e67c75740                         Options.WAL_ttl_seconds: 0
-2022/04/13-09:07:28.359057 7f8e67c75740                       Options.WAL_size_limit_MB: 0
-2022/04/13-09:07:28.359059 7f8e67c75740             Options.manifest_preallocation_size: 4194304
-2022/04/13-09:07:28.359062 7f8e67c75740                     Options.is_fd_close_on_exec: 1
-2022/04/13-09:07:28.359065 7f8e67c75740                   Options.advise_random_on_open: 1
-2022/04/13-09:07:28.359067 7f8e67c75740                    Options.db_write_buffer_size: 0
-2022/04/13-09:07:28.359070 7f8e67c75740                    Options.write_buffer_manager: 0x4ad00c0
-2022/04/13-09:07:28.359072 7f8e67c75740         Options.access_hint_on_compaction_start: 1
-2022/04/13-09:07:28.359075 7f8e67c75740  Options.new_table_reader_for_compaction_inputs: 0
-2022/04/13-09:07:28.359077 7f8e67c75740           Options.random_access_max_buffer_size: 1048576
-2022/04/13-09:07:28.359080 7f8e67c75740                      Options.use_adaptive_mutex: 0
-2022/04/13-09:07:28.359082 7f8e67c75740                            Options.rate_limiter: (nil)
-2022/04/13-09:07:28.359107 7f8e67c75740     Options.sst_file_manager.rate_bytes_per_sec: 0
-2022/04/13-09:07:28.359111 7f8e67c75740                       Options.wal_recovery_mode: 2
-2022/04/13-09:07:28.359113 7f8e67c75740                  Options.enable_thread_tracking: 0
-2022/04/13-09:07:28.359116 7f8e67c75740                  Options.enable_pipelined_write: 0
-2022/04/13-09:07:28.359119 7f8e67c75740         Options.allow_concurrent_memtable_write: 1
-2022/04/13-09:07:28.359121 7f8e67c75740      Options.enable_write_thread_adaptive_yield: 1
-2022/04/13-09:07:28.359124 7f8e67c75740             Options.write_thread_max_yield_usec: 100
-2022/04/13-09:07:28.359126 7f8e67c75740            Options.write_thread_slow_yield_usec: 3
-2022/04/13-09:07:28.359129 7f8e67c75740                               Options.row_cache: None
-2022/04/13-09:07:28.359132 7f8e67c75740                              Options.wal_filter: None
-2022/04/13-09:07:28.359134 7f8e67c75740             Options.avoid_flush_during_recovery: 0
-2022/04/13-09:07:28.359141 7f8e67c75740             Options.allow_ingest_behind: 0
-2022/04/13-09:07:28.359144 7f8e67c75740             Options.preserve_deletes: 0
-2022/04/13-09:07:28.359146 7f8e67c75740             Options.two_write_queues: 0
-2022/04/13-09:07:28.359149 7f8e67c75740             Options.manual_wal_flush: 0
-2022/04/13-09:07:28.359154 7f8e67c75740             Options.max_background_jobs: 16
-2022/04/13-09:07:28.359157 7f8e67c75740             Options.max_background_compactions: -1
-2022/04/13-09:07:28.359160 7f8e67c75740             Options.avoid_flush_during_shutdown: 0
-2022/04/13-09:07:28.359162 7f8e67c75740           Options.writable_file_max_buffer_size: 1048576
-2022/04/13-09:07:28.359165 7f8e67c75740             Options.delayed_write_rate : 16777216
-2022/04/13-09:07:28.359167 7f8e67c75740             Options.max_total_wal_size: 0
-2022/04/13-09:07:28.359170 7f8e67c75740             Options.delete_obsolete_files_period_micros: 21600000000
-2022/04/13-09:07:28.359173 7f8e67c75740                   Options.stats_dump_period_sec: 600
-2022/04/13-09:07:28.359176 7f8e67c75740                          Options.max_open_files: -1
-2022/04/13-09:07:28.359178 7f8e67c75740                          Options.bytes_per_sync: 0
-2022/04/13-09:07:28.359181 7f8e67c75740                      Options.wal_bytes_per_sync: 0
-2022/04/13-09:07:28.359183 7f8e67c75740       Options.compaction_readahead_size: 0
-2022/04/13-09:07:28.359186 7f8e67c75740 Compression algorithms supported:
-2022/04/13-09:07:28.359189 7f8e67c75740 	Snappy supported: 1
-2022/04/13-09:07:28.359192 7f8e67c75740 	Zlib supported: 1
-2022/04/13-09:07:28.359194 7f8e67c75740 	Bzip supported: 1
-2022/04/13-09:07:28.359197 7f8e67c75740 	LZ4 supported: 1
-2022/04/13-09:07:28.359199 7f8e67c75740 	ZSTDNotFinal supported: 1
-2022/04/13-09:07:28.359210 7f8e67c75740 	ZSTD supported: 1
-2022/04/13-09:07:28.359217 7f8e67c75740 Fast CRC32 supported: Not supported on x86
-2022/04/13-09:07:28.359223 7f8e67c75740 [db/db_impl_readonly.cc:23] Opening the db in read only mode
-2022/04/13-09:07:28.359562 7f8e67c75740 [db/version_set.cc:2834] Recovering from manifest file: MANIFEST-000001
-2022/04/13-09:07:28.359748 7f8e67c75740 [db/column_family.cc:431] --------------- Options for column family [default]:
-2022/04/13-09:07:28.359757 7f8e67c75740               Options.comparator: leveldb.BytewiseComparator
-2022/04/13-09:07:28.359760 7f8e67c75740           Options.merge_operator: UInt64AddOperator
-2022/04/13-09:07:28.359763 7f8e67c75740        Options.compaction_filter: None
-2022/04/13-09:07:28.359766 7f8e67c75740        Options.compaction_filter_factory: None
-2022/04/13-09:07:28.359769 7f8e67c75740         Options.memtable_factory: SkipListFactory
-2022/04/13-09:07:28.359772 7f8e67c75740            Options.table_factory: BlockBasedTable
-2022/04/13-09:07:28.359832 7f8e67c75740            table_factory options:   flush_block_policy_factory: FlushBlockBySizePolicyFactory (0x4940be0)
-  cache_index_and_filter_blocks: 0
-  cache_index_and_filter_blocks_with_high_priority: 0
-  pin_l0_filter_and_index_blocks_in_cache: 0
-  index_type: 0
-  hash_index_allow_collision: 1
-  checksum: 1
-  no_block_cache: 0
-  block_cache: 0x490d670
-  block_cache_name: LRUCache
-  block_cache_options:
-    capacity : 8388608
-    num_shard_bits : 4
-    strict_capacity_limit : 0
-    high_pri_pool_ratio: 0.000
-  block_cache_compressed: (nil)
-  persistent_cache: (nil)
-  block_size: 4096
-  block_size_deviation: 10
-  block_restart_interval: 16
-  index_block_restart_interval: 1
-  metadata_block_size: 4096
-  partition_filters: 0
-  use_delta_encoding: 1
-  filter_policy: nullptr
-  whole_key_filtering: 1
-  verify_compression: 0
-  read_amp_bytes_per_bit: 0
-  format_version: 2
-2022/04/13-09:07:28.359837 7f8e67c75740        Options.write_buffer_size: 134217728
-2022/04/13-09:07:28.359841 7f8e67c75740  Options.max_write_buffer_number: 6
-2022/04/13-09:07:28.359844 7f8e67c75740        Options.compression[0]: NoCompression
-2022/04/13-09:07:28.359848 7f8e67c75740        Options.compression[1]: NoCompression
-2022/04/13-09:07:28.359851 7f8e67c75740        Options.compression[2]: Snappy
-2022/04/13-09:07:28.359854 7f8e67c75740        Options.compression[3]: Snappy
-2022/04/13-09:07:28.359857 7f8e67c75740        Options.compression[4]: Snappy
-2022/04/13-09:07:28.359860 7f8e67c75740        Options.compression[5]: Snappy
-2022/04/13-09:07:28.359862 7f8e67c75740        Options.compression[6]: Snappy
-2022/04/13-09:07:28.359865 7f8e67c75740                  Options.bottommost_compression: Disabled
-2022/04/13-09:07:28.359868 7f8e67c75740       Options.prefix_extractor: rocksdb.FixedPrefix.3
-2022/04/13-09:07:28.359871 7f8e67c75740   Options.memtable_insert_with_hint_prefix_extractor: nullptr
-2022/04/13-09:07:28.359874 7f8e67c75740             Options.num_levels: 7
-2022/04/13-09:07:28.359877 7f8e67c75740        Options.min_write_buffer_number_to_merge: 2
-2022/04/13-09:07:28.359879 7f8e67c75740     Options.max_write_buffer_number_to_maintain: 0
-2022/04/13-09:07:28.359882 7f8e67c75740            Options.compression_opts.window_bits: -14
-2022/04/13-09:07:28.359885 7f8e67c75740                  Options.compression_opts.level: -1
-2022/04/13-09:07:28.359887 7f8e67c75740               Options.compression_opts.strategy: 0
-2022/04/13-09:07:28.359890 7f8e67c75740         Options.compression_opts.max_dict_bytes: 0
-2022/04/13-09:07:28.359892 7f8e67c75740      Options.level0_file_num_compaction_trigger: 2
-2022/04/13-09:07:28.359894 7f8e67c75740          Options.level0_slowdown_writes_trigger: 20
-2022/04/13-09:07:28.359897 7f8e67c75740              Options.level0_stop_writes_trigger: 36
-2022/04/13-09:07:28.359899 7f8e67c75740                   Options.target_file_size_base: 67108864
-2022/04/13-09:07:28.359902 7f8e67c75740             Options.target_file_size_multiplier: 1
-2022/04/13-09:07:28.359905 7f8e67c75740                Options.max_bytes_for_level_base: 536870912
-2022/04/13-09:07:28.359907 7f8e67c75740 Options.level_compaction_dynamic_level_bytes: 0
-2022/04/13-09:07:28.359910 7f8e67c75740          Options.max_bytes_for_level_multiplier: 10.000000
-2022/04/13-09:07:28.359914 7f8e67c75740 Options.max_bytes_for_level_multiplier_addtl[0]: 1
-2022/04/13-09:07:28.359936 7f8e67c75740 Options.max_bytes_for_level_multiplier_addtl[1]: 1
-2022/04/13-09:07:28.359940 7f8e67c75740 Options.max_bytes_for_level_multiplier_addtl[2]: 1
-2022/04/13-09:07:28.359942 7f8e67c75740 Options.max_bytes_for_level_multiplier_addtl[3]: 1
-2022/04/13-09:07:28.359945 7f8e67c75740 Options.max_bytes_for_level_multiplier_addtl[4]: 1
-2022/04/13-09:07:28.359948 7f8e67c75740 Options.max_bytes_for_level_multiplier_addtl[5]: 1
-2022/04/13-09:07:28.359950 7f8e67c75740 Options.max_bytes_for_level_multiplier_addtl[6]: 1
-2022/04/13-09:07:28.359953 7f8e67c75740       Options.max_sequential_skip_in_iterations: 8
-2022/04/13-09:07:28.359955 7f8e67c75740                    Options.max_compaction_bytes: 1677721600
-2022/04/13-09:07:28.359958 7f8e67c75740                        Options.arena_block_size: 16777216
-2022/04/13-09:07:28.359960 7f8e67c75740   Options.soft_pending_compaction_bytes_limit: 68719476736
-2022/04/13-09:07:28.359963 7f8e67c75740   Options.hard_pending_compaction_bytes_limit: 274877906944
-2022/04/13-09:07:28.359966 7f8e67c75740       Options.rate_limit_delay_max_milliseconds: 100
-2022/04/13-09:07:28.359968 7f8e67c75740                Options.disable_auto_compactions: 0
-2022/04/13-09:07:28.359974 7f8e67c75740                        Options.compaction_style: kCompactionStyleLevel
-2022/04/13-09:07:28.359977 7f8e67c75740                          Options.compaction_pri: kByCompensatedSize
-2022/04/13-09:07:28.359980 7f8e67c75740 Options.compaction_options_universal.size_ratio: 1
-2022/04/13-09:07:28.359983 7f8e67c75740 Options.compaction_options_universal.min_merge_width: 2
-2022/04/13-09:07:28.359985 7f8e67c75740 Options.compaction_options_universal.max_merge_width: 4294967295
-2022/04/13-09:07:28.359988 7f8e67c75740 Options.compaction_options_universal.max_size_amplification_percent: 200
-2022/04/13-09:07:28.359990 7f8e67c75740 Options.compaction_options_universal.compression_size_percent: -1
-2022/04/13-09:07:28.359994 7f8e67c75740 Options.compaction_options_universal.stop_style: kCompactionStopStyleTotalSize
-2022/04/13-09:07:28.359996 7f8e67c75740 Options.compaction_options_fifo.max_table_files_size: 1073741824
-2022/04/13-09:07:28.359999 7f8e67c75740 Options.compaction_options_fifo.allow_compaction: 0
-2022/04/13-09:07:28.360002 7f8e67c75740 Options.compaction_options_fifo.ttl: 0
-2022/04/13-09:07:28.360004 7f8e67c75740                   Options.table_properties_collectors: 
-2022/04/13-09:07:28.360007 7f8e67c75740                   Options.inplace_update_support: 0
-2022/04/13-09:07:28.360040 7f8e67c75740                 Options.inplace_update_num_locks: 10000
-2022/04/13-09:07:28.360043 7f8e67c75740               Options.memtable_prefix_bloom_size_ratio: 0.000000
-2022/04/13-09:07:28.360047 7f8e67c75740   Options.memtable_huge_page_size: 0
-2022/04/13-09:07:28.360049 7f8e67c75740                           Options.bloom_locality: 0
-2022/04/13-09:07:28.360052 7f8e67c75740                    Options.max_successive_merges: 0
-2022/04/13-09:07:28.360054 7f8e67c75740                Options.optimize_filters_for_hits: 0
-2022/04/13-09:07:28.360057 7f8e67c75740                Options.paranoid_file_checks: 0
-2022/04/13-09:07:28.360059 7f8e67c75740                Options.force_consistency_checks: 0
-2022/04/13-09:07:28.360062 7f8e67c75740                Options.report_bg_io_stats: 0
-2022/04/13-09:07:28.361650 7f8e67c75740 [db/version_set.cc:3100] Recovered from manifest file:example-models/wpd19_10000/wpd19_10000.rocksdb/MANIFEST-000001 succeeded,manifest_file_number is 1, next_file_number is 3, last_sequence is 0, log_number is 0,prev_log_number is 0,max_column_family is 0
-2022/04/13-09:07:28.361661 7f8e67c75740 [db/version_set.cc:3108] Column family [default] (ID 0), log number is 0
-2022/04/13-09:07:28.361883 7f8e67c75740 EVENT_LOG_v1 {"time_micros": 1649833648361824, "job": 1, "event": "recovery_started", "log_files": [3]}
-2022/04/13-09:07:28.361908 7f8e67c75740 [db/db_impl_open.cc:518] Recovering log #3 mode 2
-2022/04/13-09:07:37.105079 7f8e67c75740 EVENT_LOG_v1 {"time_micros": 1649833657105052, "job": 1, "event": "recovery_finished"}