2024/08/20-20:53:17.997689 139856858089024 DEBG dcompact_worker.cpp:2211: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00: fork to child time = 0.009784 sec 2024/08/20-20:53:17.998425 139856858089024 DEBG dcompact_worker.cpp:1011: Beg SerDeRead: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00 2024/08/20-20:53:18.008254 139856858089024 DEBG dcompact_worker.cpp:1031: End SerDeRead: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00 2024/08/20-20:53:18.009647 139856858089024 TRAC dcompact_worker.cpp:1081: INFO_LOG_LEVEL: rpc = INFO_LEVEL, env_var = undefined 2024/08/20-20:53:18.009950 139856858089024 [WARN] [column_family.cc:386] multiple cf_paths/db_paths and level_compaction_dynamic_level_bytes can't be used together 2024/08/20-20:53:18.057310 139856858089024 [version_set.cc:6139] Recovering from manifest file: /worker/dcompact-log/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/2024-08-20T02.42.00/.rocksdb/job-49527/att-00/MANIFEST-14629260 2024/08/20-20:53:18.132751 139856858089024 [version_set.cc:6182] Recovered from manifest file:/worker/dcompact-log/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/2024-08-20T02.42.00/.rocksdb/job-49527/att-00/MANIFEST-14629260 succeeded,manifest_file_number is 14629260, next_file_number is 14686298, last_sequence is 191038283655, log_number is 0,prev_log_number is 0,max_column_family is 0,min_log_number_to_keep is 14686114 2024/08/20-20:53:18.132764 139856858089024 [version_set.cc:6197] Column family [default] (ID 0), log number is 0 2024/08/20-20:53:18.132833 139856858089024 [version_set.cc:5652] Creating manifest 14686298 2024/08/20-20:53:18.158725 139856858089024 DEBG dcompact_worker.cpp:1215: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00: bottommost_level: fake = 1, rpc = 0 2024/08/20-20:53:18.176823 139856858089024 [compaction_job.cc:2433] [default] [JOB 49527] Compacting 1@1 + 2@2 files to L2, score 1.00, subcompactions 1 : 1 2024/08/20-20:53:18.176841 139856858089024 [compaction_job.cc:2441] [default]: Compaction start summary: Base version 25144 Base level 1, inputs: [14686163(31MB)], [14686204(10MB) 14686016(19MB)] 2024/08/20-20:53:18.415609 139856858089024 [top_zip_table.cc:59] core git_version_hash_info_is:commit 7517bad5c1a147474c3830831b9a22c996321ae8 Author: leipeng Date: 2024-01-08 19:18:17 +0800 vfork_cmd: call close before wait_finish g++ (GCC) 12.1.0 Copyright (C) 2022 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. INCS = -Isrc -I3rdparty/re2 -I3rdparty/zstd -Iboost-include CXXFLAGS = -D TOPLING_IO_WITH_URING=1 -fPIC -time -Wno-class-memaccess -fdiagnostics-color -Wformat=2 -Wcomment -Wall -Wextra -Wno-unused-parameter -Wno-alloc-size-larger-than -mcx16 -Wno-deprecated-declarations -Wstrict-aliasing=3 -DCLIENT_LICENSE_ID="public" -DNO_THREADS -ftls-model=initial-exec -DDIVSUFSORT_API= -fno-stack-protector RLS_FLAGS = -O3 -DNDEBUG -g3 WITH_BMI2 = 1 compile_cpu_flag: -march=haswell -mbmi -mbmi2 2024/08/20-20:53:18.415636 139856858089024 [top_zip_table.cc:60] fsa git_version_hash_info_is:commit 7517bad5c1a147474c3830831b9a22c996321ae8 Author: leipeng Date: 2024-01-08 19:18:17 +0800 vfork_cmd: call close before wait_finish g++ (GCC) 12.1.0 Copyright (C) 2022 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. INCS = -Isrc -I3rdparty/re2 -I3rdparty/zstd -Iboost-include CXXFLAGS = -D TOPLING_IO_WITH_URING=1 -fPIC -time -Wno-class-memaccess -fdiagnostics-color -Wformat=2 -Wcomment -Wall -Wextra -Wno-unused-parameter -Wno-alloc-size-larger-than -mcx16 -Wno-deprecated-declarations -Wstrict-aliasing=3 -DCLIENT_LICENSE_ID="public" -DNO_THREADS -ftls-model=initial-exec -DDIVSUFSORT_API= -fno-stack-protector RLS_FLAGS = -O3 -DNDEBUG -g3 WITH_BMI2 = 1 compile_cpu_flag: -march=haswell -mbmi -mbmi2 2024/08/20-20:53:18.415652 139856858089024 [top_zip_table.cc:61] zbs git_version_hash_info_is:commit 7517bad5c1a147474c3830831b9a22c996321ae8 Author: leipeng Date: 2024-01-08 19:18:17 +0800 vfork_cmd: call close before wait_finish g++ (GCC) 12.1.0 Copyright (C) 2022 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. INCS = -Isrc -I3rdparty/re2 -I3rdparty/zstd -Iboost-include CXXFLAGS = -D TOPLING_IO_WITH_URING=1 -fPIC -time -Wno-class-memaccess -fdiagnostics-color -Wformat=2 -Wcomment -Wall -Wextra -Wno-unused-parameter -Wno-alloc-size-larger-than -mcx16 -Wno-deprecated-declarations -Wstrict-aliasing=3 -DCLIENT_LICENSE_ID="public" -DNO_THREADS -ftls-model=initial-exec -DDIVSUFSORT_API= -fno-stack-protector RLS_FLAGS = -O3 -DNDEBUG -g3 WITH_BMI2 = 1 compile_cpu_flag: -march=haswell -mbmi -mbmi2 2024/08/20-20:53:18.415664 139856858089024 [top_zip_table.cc:62] topling-zip_table_reader: git_version_hash_info_is: commit 7f80399bfbd2071b6e0f5683e8ab7225b8e6e394 Author: leipeng Date: 2024-01-19 14:52:30 +0800 Change ToplingZipTableOptions::sampleRatio to vector g++ (GCC) 12.1.0 Copyright (C) 2022 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. cpu_flag: -march=native -mbmi -mbmi2 2024/08/20-20:53:18.415673 139856858089024 [top_zip_table.cc:64] topling-rocks git_version_hash_info_is: commit 1240987ca13d0fe562c9b9c037155079f0877840 Author: leipeng Date: 2024-01-19 15:07:04 +0800 Change ToplingZipTableOptions::sampleRatio to vector g++ (GCC) 12.1.0 Copyright (C) 2022 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. cpu_flag: -march=native -mbmi -mbmi2 2024/08/20-20:53:18.499628 139856858089024 [top_zip_table_builder.cc:934] ToplingZipTableBuilder(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00/14686299.sst) /dev/shm/ToplingTemp/Topling-16892-KA2HSv 2024/08/20-20:53:18.912692 139856858089024 [top_zip_table_builder.cc:1344] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00/14686299.sst): first pass time = 0.41's, 162.488'MB/sec 2024/08/20-20:53:19.604115 139856858089024 [top_zip_table_builder.cc:2764] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00/14686299.sst): old prealloc_size = 71528048, real_size = 18975280 2024/08/20-20:53:19.604482 139856858089024 [top_zip_table_builder.cc:1765] BuildReorderMap(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00/14686299.sst): index type = NestLoudsTrieDAWG_Mixed_XL_256_32_FL, store type = DictZipBlobStore usrkeys = 465838 prefix = 4 raw-key = 0.0075 GB zip-key = 0.0009 GB avg-key = 16.00 avg-zkey = 1.92 raw-val = 0.0541 GB zip-val = 0.0180 GB avg-val = 116.06 avg-zval = 38.57 2024/08/20-20:53:19.605001 139856858089024 [top_zip_table_builder.cc:1295] /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00/14686299.sst: sumWaitingMem = 0.001 GB, sumWorkingMem = 0.000 GB, reorder workingMem = 0.0011 GB, waited 0.000 sec, Key+Value = 0.067 GB 2024/08/20-20:53:19.973254 139856858089024 [top_zip_table_builder.cc:3092] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00/14686299.sst): second pass time = 0.69's, 78.294'MB/sec, value only(80.6% of KV) wait indexing time = 0.00's, remap KeyValue time = 0.37's, 56.827'MB/sec (all stages of remap) Get OrderMap time = 0.00's, 2611.130'MB/sec (index lex order gen) rebuild zvType time = 0.30's, 0.387'MB/sec write SST data time = 0.07's, 308.222'MB/sec dict compress time = 4356233619.02's, 0.000'MB/sec z-dict build time = 0.00's, sample length = 0.543'MB, throughput = 13461.411'MB/sec zip my value time = 0.69's, unzip length = 0.054'GB zip my value throughput = 78.294'MB/sec zip pipeline throughput = 78.294'MB/sec entries = 465838 avg-key = 28.00 avg-zkey = 1.92 avg-val = 116.06 avg-zval = 38.57 usrkeys = 465838 avg-key = 20.00 avg-zkey = 1.92 avg-val = 123.06 avg-zval = 38.57 TagRS{ kinds = RS_Key0_Tag1 bytes = 0 } TagArray{ size = 465838 bytes = 1572224 } seq expand size = 3260866 multi value expand size = 0 cnt WriteAppend = 15 UnZipSize{ index = 0.0093 GB value = 0.0541 GB dict = 0.54 MB all = 0.0671 GB } __ZipSize{ index = 0.0009 GB value = 0.0180 GB dict = 0.54 MB all = 0.0210 GB } UnZip/Zip{ index = 10.4339 value = 3.0094 dict = 1.00 all = 3.1990 } Zip/UnZip{ index = 0.0958 value = 0.3323 dict = 1.00 all = 0.3126 } ---------------------------- total value len = 0.057326 GB avg = 0.123 KB (by entry num) total key len = 0.013043 GB avg = 0.028 KB total ukey len = 0.009317 GB avg = 0.020 KB total ukey num = 0.000465838 Billion total entry num = 0.000465838 Billion write speed all = 0.027705867 MB/sec (with seq num) write speed all = 0.026238596 MB/sec (without seq num) 2024/08/20-20:53:20.002576 139856858089024 [compaction_job.cc:1944] [default] [JOB 49527] Generated table #14686299: 465838 keys, 20977892 bytes, temperature: kWarm 2024/08/20-20:53:20.002661 139856858089024 EVENT_LOG_v1 {"time_micros": 1724158400002614, "cf_name": "default", "job": 49527, "event": "table_file_creation", "file_number": 14686299, "file_size": 20977892, "file_checksum": "", "file_checksum_func_name": "Unknown", "smallest_seqno": 190905335731, "largest_seqno": 191037267854, "table_properties": {"data_size": 17965728, "index_size": 892928, "index_partitions": 0, "top_level_index_size": 0, "index_key_is_user_key": 0, "index_value_is_delta_encoded": 0, "filter_size": 0, "raw_key_size": 13043464, "raw_average_key_size": 28, "raw_value_size": 54065488, "raw_average_value_size": 116, "num_data_blocks": 1, "num_entries": 465838, "num_filter_entries": 0, "num_deletions": 0, "num_merge_operands": 0, "num_range_deletions": 0, "format_version": 0, "fixed_key_len": 28, "fixed_value_len": 18446744073709551615, "filter_policy": "", "column_family_name": "default", "column_family_id": 0, "comparator": "leveldb.BytewiseComparator", "merge_operator": "nullptr", "prefix_extractor_name": "nullptr", "property_collectors": "[Rdb_tbl_prop_coll_factory]", "compression": "FlatZip", "compression_options": "RS_Key0_Tag1-NestLoudsTrieDAWG_Mixed_XL_256_32_FL-DictZipBlobStore", "creation_time": 1724158398, "oldest_key_time": 0, "file_creation_time": 1724158398, "slow_compression_estimated_data_size": 0, "fast_compression_estimated_data_size": 0, "db_id": "a007a635-5c0a-4b4a-be96-b9c695cb016b", "db_session_id": "90ZT1ZM5QNL093I8HHQG", "orig_file_number": 14686299, "seqno_to_time_mapping": "N/A", "__indexstats__": "[...1 records...]"}} 2024/08/20-20:53:20.036136 139856858089024 [top_zip_table_builder.cc:934] ToplingZipTableBuilder(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00/14686300.sst) /dev/shm/ToplingTemp/Topling-16892-w5MB1u 2024/08/20-20:53:20.281618 139856858089024 [top_zip_table_builder.cc:1344] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00/14686300.sst): first pass time = 0.25's, 273.207'MB/sec 2024/08/20-20:53:20.950992 139856858089024 [top_zip_table_builder.cc:2764] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00/14686300.sst): old prealloc_size = 71528048, real_size = 18773232 2024/08/20-20:53:20.951392 139856858089024 [top_zip_table_builder.cc:1765] BuildReorderMap(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00/14686300.sst): index type = NestLoudsTrieDAWG_Mixed_XL_256_32_FL, store type = DictZipBlobStore usrkeys = 466819 prefix = 4 raw-key = 0.0075 GB zip-key = 0.0009 GB avg-key = 16.00 avg-zkey = 1.90 raw-val = 0.0540 GB zip-val = 0.0178 GB avg-val = 115.64 avg-zval = 38.06 2024/08/20-20:53:20.951814 139856858089024 [top_zip_table_builder.cc:1295] /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00/14686300.sst: sumWaitingMem = 0.001 GB, sumWorkingMem = 0.000 GB, reorder workingMem = 0.0011 GB, waited 0.000 sec, Key+Value = 0.067 GB 2024/08/20-20:53:21.321075 139856858089024 [top_zip_table_builder.cc:3092] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00/14686300.sst): second pass time = 0.67's, 80.746'MB/sec, value only(80.5% of KV) wait indexing time = 0.00's, remap KeyValue time = 0.37's, 56.151'MB/sec (all stages of remap) Get OrderMap time = 0.00's, 2373.097'MB/sec (index lex order gen) rebuild zvType time = 0.30's, 0.386'MB/sec write SST data time = 0.07's, 307.400'MB/sec dict compress time = 4356233619.02's, 0.000'MB/sec z-dict build time = 0.00's, sample length = 0.542'MB, throughput = 11316.028'MB/sec zip my value time = 0.67's, unzip length = 0.054'GB zip my value throughput = 80.746'MB/sec zip pipeline throughput = 80.746'MB/sec entries = 466819 avg-key = 28.00 avg-zkey = 1.90 avg-val = 115.64 avg-zval = 38.06 usrkeys = 466819 avg-key = 20.00 avg-zkey = 1.90 avg-val = 122.64 avg-zval = 38.06 TagRS{ kinds = RS_Key0_Tag1 bytes = 0 } TagArray{ size = 466819 bytes = 1575536 } seq expand size = 3267733 multi value expand size = 0 cnt WriteAppend = 13 UnZipSize{ index = 0.0093 GB value = 0.0540 GB dict = 0.54 MB all = 0.0671 GB } __ZipSize{ index = 0.0009 GB value = 0.0178 GB dict = 0.54 MB all = 0.0208 GB } UnZip/Zip{ index = 10.5003 value = 3.0383 dict = 1.00 all = 3.2269 } Zip/UnZip{ index = 0.0952 value = 0.3291 dict = 1.00 all = 0.3099 } ---------------------------- total value len = 0.114576 GB avg = 0.123 KB (by entry num) total key len = 0.026114 GB avg = 0.028 KB total ukey len = 0.018653 GB avg = 0.020 KB total ukey num = 0.000932657 Billion total entry num = 0.000932657 Billion write speed all = 0.055363095 MB/sec (with seq num) write speed all = 0.052427022 MB/sec (without seq num) 2024/08/20-20:53:21.355230 139856858089024 [compaction_job.cc:1944] [default] [JOB 49527] Generated table #14686300: 466819 keys, 20779196 bytes, temperature: kWarm 2024/08/20-20:53:21.355317 139856858089024 EVENT_LOG_v1 {"time_micros": 1724158401355282, "cf_name": "default", "job": 49527, "event": "table_file_creation", "file_number": 14686300, "file_size": 20779196, "file_checksum": "", "file_checksum_func_name": "Unknown", "smallest_seqno": 190904945736, "largest_seqno": 191037268292, "table_properties": {"data_size": 17767200, "index_size": 889152, "index_partitions": 0, "top_level_index_size": 0, "index_key_is_user_key": 0, "index_value_is_delta_encoded": 0, "filter_size": 0, "raw_key_size": 13070932, "raw_average_key_size": 28, "raw_value_size": 53982234, "raw_average_value_size": 115, "num_data_blocks": 1, "num_entries": 466819, "num_filter_entries": 0, "num_deletions": 0, "num_merge_operands": 0, "num_range_deletions": 0, "format_version": 0, "fixed_key_len": 28, "fixed_value_len": 18446744073709551615, "filter_policy": "", "column_family_name": "default", "column_family_id": 0, "comparator": "leveldb.BytewiseComparator", "merge_operator": "nullptr", "prefix_extractor_name": "nullptr", "property_collectors": "[Rdb_tbl_prop_coll_factory]", "compression": "FlatZip", "compression_options": "RS_Key0_Tag1-NestLoudsTrieDAWG_Mixed_XL_256_32_FL-DictZipBlobStore", "creation_time": 1724158400, "oldest_key_time": 0, "file_creation_time": 1724158400, "slow_compression_estimated_data_size": 0, "fast_compression_estimated_data_size": 0, "db_id": "a007a635-5c0a-4b4a-be96-b9c695cb016b", "db_session_id": "90ZT1ZM5QNL093I8HHQG", "orig_file_number": 14686300, "seqno_to_time_mapping": "N/A", "__indexstats__": "[...1 records...]"}} 2024/08/20-20:53:21.369214 139856858089024 [compaction_job.cc:699] job-49527: subcompact[0], size: 0.041757 G, files: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-49527/att-00 [14686299,14686300] 2024/08/20-20:53:21.385717 139856858089024 (Original Log Time 2024/08/20-20:53:18.176921) EVENT_LOG_v1 {"time_micros": 1724158398176860, "job": 49527, "event": "compaction_started", "compaction_reason": "FilesMarkedForCompaction", "files_L1": [14686163], "files_L2": [14686204, 14686016], "score": 0.99706, "input_data_size": 65025499, "oldest_snapshot_seqno": 191038282402} 2024/08/20-20:53:21.385721 139856858089024 (Original Log Time 2024/08/20-20:53:21.385347) [compaction_job.cc:2018] [default] [JOB 49527] Compacted 1@1 + 2@2 files to L2 => 41757088 bytes 2024/08/20-20:53:21.385723 139856858089024 (Original Log Time 2024/08/20-20:53:21.385648) [compaction_job.cc:1220] [default] compacted to: files[0 0 2 0 0 0 0] max score 0.02, MB/sec: 20.4 rd, 13.1 wr, level 2, files in(1, 2) out(2 +0 blob) MB in(31.8, 30.2 +0.0 blob) out(39.8 +0.0 blob), read-write-amplify(3.2) write-amplify(1.3) OK, records in: 932657, records dropped: 0 output_compression: Snappy 2024/08/20-20:53:21.385730 139856858089024 (Original Log Time 2024/08/20-20:53:21.385692) EVENT_LOG_v1 {"time_micros": 1724158401385673, "cf": "default", "job": 49527, "event": "compaction_finished", "compaction_time_micros": 3192304, "compaction_time_cpu_micros": 1243553, "output_level": 2, "num_output_files": 2, "total_output_size": 41757088, "num_input_records": 932657, "num_output_records": 932657, "num_subcompactions": 1, "output_compression": "Snappy", "num_single_delete_mismatches": 0, "num_single_delete_fallthrough": 0, "file_write_nanos": 26690326, "file_range_sync_nanos": 0, "file_fsync_nanos": 1581, "file_prepare_write_nanos": 5408, "lsm_state": [0, 0, 2, 0, 0, 0, 0]} 2024/08/20-20:53:21.492947 139856858089024 DEBG dcompact_worker.cpp:240: HttpPost: 200 OK: url = http://nlb-7zny4kaa1poal01o64.cn-shenzhen.nlb.aliyuncs.com:8443, body = {"instanceId":"nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137","labourId":"","dbId":"a007a635-5c0a-4b4a-be96-b9c695cb016b","dbStarts":1724092920,"starts":1724158397,"executesMs":3380,"compactionJobId":49527,"attempt":0,"compactionInputRawBytes":134162118,"compactionInputZipBytes":65025499,"compactionOutputRawBytes":0,"compactionOutputZipBytes":41757088,"headers":{"Accept":"*/*","Connection":"close","Host":"aliyun-topling-saas.topling.cn:18443","RemoteIp":"120.24.192.169","X-Forwarded-For":"120.24.192.169","region":"cn-shenzhen","token":"e6474c481bd4415abc537135cc03626b","instance-token":"e6474c481bd4415abc537135cc03626b","provider":"aliyun","CloudMarketInstanceId":"si-59c0ae5c955845588903","MeteringAssit":"","Transfer-Encoding":"chunked","traceparent":"00-bb3568c287e1f5b312ea02930885e190-2e9d3fe623b2fff4-00"}}, response = 2024/08/20-20:53:21.493038 139856858089024 INFO dcompact_worker.cpp:1456: finish /worker/dcompact-log/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/2024-08-20T02.42.00/.rocksdb/job-49527/att-00: olev 2, work 3.380 s, result 6.893 ms, install 0.408 ms, input{raw 127.947 MiB zip 62.013 MiB}