2024/08/20-12:20:23.772863 140500556990016 DEBG dcompact_worker.cpp:2211: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00: fork to child time = 0.047031 sec 2024/08/20-12:20:23.773972 140500556990016 DEBG dcompact_worker.cpp:1011: Beg SerDeRead: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00 2024/08/20-12:20:23.778726 140500556990016 DEBG dcompact_worker.cpp:1031: End SerDeRead: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00 2024/08/20-12:20:23.780174 140500556990016 TRAC dcompact_worker.cpp:1081: INFO_LOG_LEVEL: rpc = INFO_LEVEL, env_var = undefined 2024/08/20-12:20:23.780456 140500556990016 [WARN] [column_family.cc:386] multiple cf_paths/db_paths and level_compaction_dynamic_level_bytes can't be used together 2024/08/20-12:20:23.828751 140500556990016 [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-29036/att-00/MANIFEST-14629260 2024/08/20-12:20:23.843212 140500556990016 [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-29036/att-00/MANIFEST-14629260 succeeded,manifest_file_number is 14629260, next_file_number is 14662595, last_sequence is 190523339147, log_number is 0,prev_log_number is 0,max_column_family is 0,min_log_number_to_keep is 14662560 2024/08/20-12:20:23.843219 140500556990016 [version_set.cc:6197] Column family [default] (ID 0), log number is 0 2024/08/20-12:20:23.843296 140500556990016 [version_set.cc:5652] Creating manifest 14662595 2024/08/20-12:20:23.872200 140500556990016 DEBG dcompact_worker.cpp:1215: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00: bottommost_level: fake = 1, rpc = 0 2024/08/20-12:20:23.888625 140500556990016 [compaction_job.cc:2433] [default] [JOB 29036] Compacting 1@1 + 2@2 files to L2, score 0.99, subcompactions 1 : 1 2024/08/20-12:20:23.888640 140500556990016 [compaction_job.cc:2441] [default]: Compaction start summary: Base version 14842 Base level 1, inputs: [14662570(3350KB)], [14662541(20MB) 14662542(7454KB)] 2024/08/20-12:20:23.944977 140500556990016 [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 2024/08/20-12:20:23.944998 140500556990016 [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 2024/08/20-12:20:23.945015 140500556990016 [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 2024/08/20-12:20:23.945034 140500556990016 [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 2024/08/20-12:20:23.945044 140500556990016 [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 2024/08/20-12:20:24.244845 140500556990016 [top_zip_table_builder.cc:934] ToplingZipTableBuilder(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00/14662596.sst) /dev/shm/ToplingTemp/Topling-343374-wnr17w 2024/08/20-12:20:24.589521 140500556990016 [top_zip_table_builder.cc:1344] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00/14662596.sst): first pass time = 0.34's, 194.731'MB/sec 2024/08/20-12:20:27.183941 140500556990016 [top_zip_table_builder.cc:2764] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00/14662596.sst): old prealloc_size = 36166963, real_size = 19863632 2024/08/20-12:20:27.184334 140500556990016 [top_zip_table_builder.cc:1765] BuildReorderMap(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00/14662596.sst): index type = NestLoudsTrieDAWG_Mixed_XL_256_32_FL, store type = DictZipBlobStore usrkeys = 466496 prefix = 4 raw-key = 0.0075 GB zip-key = 0.0009 GB avg-key = 16.00 avg-zkey = 1.92 raw-val = 0.0540 GB zip-val = 0.0189 GB avg-val = 115.86 avg-zval = 40.41 2024/08/20-12:20:27.184788 140500556990016 [top_zip_table_builder.cc:1295] /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00/14662596.sst: sumWaitingMem = 0.001 GB, sumWorkingMem = 0.020 GB, reorder workingMem = 0.0011 GB, waited 0.000 sec, Key+Value = 0.067 GB 2024/08/20-12:20:27.817387 140500556990016 [top_zip_table_builder.cc:3092] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00/14662596.sst): second pass time = 2.59's, 20.843'MB/sec, value only(80.5% of KV) wait indexing time = 0.00's, remap KeyValue time = 0.63's, 34.431'MB/sec (all stages of remap) Get OrderMap time = 0.00's, 2526.347'MB/sec (index lex order gen) rebuild zvType time = 0.49's, 0.238'MB/sec write SST data time = 0.14's, 152.522'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 = 16474.215'MB/sec zip my value time = 2.59's, unzip length = 0.054'GB zip my value throughput = 20.843'MB/sec zip pipeline throughput = 136.773'MB/sec entries = 466496 avg-key = 28.00 avg-zkey = 1.92 avg-val = 115.86 avg-zval = 40.41 usrkeys = 466496 avg-key = 20.00 avg-zkey = 1.92 avg-val = 122.86 avg-zval = 40.41 TagRS{ kinds = RS_Key0_Tag1 bytes = 0 } TagArray{ size = 466496 bytes = 1516128 } seq expand size = 3265472 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 = 0.0189 GB dict = 0.54 MB all = 0.0218 GB } UnZip/Zip{ index = 10.4292 value = 2.8669 dict = 1.00 all = 3.0768 } Zip/UnZip{ index = 0.0959 value = 0.3488 dict = 1.00 all = 0.3250 } ---------------------------- total value len = 62.354062 GB avg = 0.180 KB (by entry num) total key len = 6.801820 GB avg = 0.020 KB total ukey len = 3.198837 GB avg = 0.008 KB total ukey num = 0.389800057 Billion total entry num = 0.346678065 Billion write speed all = 1.023218605 MB/sec (with seq num) write speed all = 0.982183490 MB/sec (without seq num) 2024/08/20-12:20:27.849714 140500556990016 [compaction_job.cc:1944] [default] [JOB 29036] Generated table #14662596: 466496 keys, 21811438 bytes, temperature: kWarm 2024/08/20-12:20:27.849821 140500556990016 EVENT_LOG_v1 {"time_micros": 1724127627849757, "cf_name": "default", "job": 29036, "event": "table_file_creation", "file_number": 14662596, "file_size": 21811438, "file_checksum": "", "file_checksum_func_name": "Unknown", "smallest_seqno": 190482658183, "largest_seqno": 190523318976, "table_properties": {"data_size": 18852224, "index_size": 894592, "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": 13061888, "raw_average_key_size": 28, "raw_value_size": 54046996, "raw_average_value_size": 115, "num_data_blocks": 1, "num_entries": 466496, "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": 1724127624, "oldest_key_time": 0, "file_creation_time": 1724127624, "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": 14662596, "seqno_to_time_mapping": "N/A", "__indexstats__": "[...1 records...]"}} 2024/08/20-12:20:27.884574 140500556990016 [top_zip_table_builder.cc:934] ToplingZipTableBuilder(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00/14662597.sst) /dev/shm/ToplingTemp/Topling-343374-O88Ijv 2024/08/20-12:20:28.235128 140500556990016 [top_zip_table_builder.cc:1344] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00/14662597.sst): first pass time = 0.35's, 76.641'MB/sec 2024/08/20-12:20:30.636650 140500556990016 [top_zip_table_builder.cc:2764] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00/14662597.sst): old prealloc_size = 36166963, real_size = 7922336 2024/08/20-12:20:30.636859 140500556990016 [top_zip_table_builder.cc:1765] BuildReorderMap(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00/14662597.sst): index type = NestLoudsTrieDAWG_Mixed_XL_256_32_FL, store type = DictZipBlobStore usrkeys = 186761 prefix = 4 raw-key = 0.0030 GB zip-key = 0.0004 GB avg-key = 16.00 avg-zkey = 1.91 raw-val = 0.0216 GB zip-val = 0.0075 GB avg-val = 115.83 avg-zval = 40.26 2024/08/20-12:20:30.637088 140500556990016 [top_zip_table_builder.cc:1295] /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00/14662597.sst: sumWaitingMem = 0.000 GB, sumWorkingMem = 0.020 GB, reorder workingMem = 0.0004 GB, waited 0.000 sec, Key+Value = 0.027 GB 2024/08/20-12:20:30.957290 140500556990016 [top_zip_table_builder.cc:3092] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00/14662597.sst): second pass time = 2.40's, 9.012'MB/sec, value only(80.5% of KV) wait indexing time = 0.00's, remap KeyValue time = 0.32's, 27.096'MB/sec (all stages of remap) Get OrderMap time = 0.00's, 1918.523'MB/sec (index lex order gen) rebuild zvType time = 0.20's, 0.230'MB/sec write SST data time = 0.12's, 73.765'MB/sec dict compress time = 4356233619.02's, 0.000'MB/sec z-dict build time = 0.00's, sample length = 0.226'MB, throughput = 6526.474'MB/sec zip my value time = 2.40's, unzip length = 0.022'GB zip my value throughput = 9.012'MB/sec zip pipeline throughput = 167.477'MB/sec entries = 186761 avg-key = 28.00 avg-zkey = 1.91 avg-val = 115.83 avg-zval = 40.26 usrkeys = 186761 avg-key = 20.00 avg-zkey = 1.91 avg-val = 122.83 avg-zval = 40.26 TagRS{ kinds = RS_Key0_Tag1 bytes = 0 } TagArray{ size = 186761 bytes = 583648 } seq expand size = 1307327 multi value expand size = 0 cnt WriteAppend = 12 UnZipSize{ index = 0.0037 GB value = 0.0216 GB dict = 0.23 MB all = 0.0269 GB } __ZipSize{ index = 0.0004 GB value = 0.0075 GB dict = 0.23 MB all = 0.0087 GB } UnZip/Zip{ index = 10.4762 value = 2.8771 dict = 1.00 all = 3.0920 } Zip/UnZip{ index = 0.0955 value = 0.3476 dict = 1.00 all = 0.3234 } ---------------------------- total value len = 62.377002 GB avg = 0.180 KB (by entry num) total key len = 6.807049 GB avg = 0.020 KB total ukey len = 3.202573 GB avg = 0.008 KB total ukey num = 0.389986818 Billion total entry num = 0.346864826 Billion write speed all = 1.023587841 MB/sec (with seq num) write speed all = 0.982532527 MB/sec (without seq num) 2024/08/20-12:20:30.984708 140500556990016 [compaction_job.cc:1944] [default] [JOB 29036] Generated table #14662597: 186761 keys, 8687704 bytes, temperature: kWarm 2024/08/20-12:20:30.984780 140500556990016 EVENT_LOG_v1 {"time_micros": 1724127630984737, "cf_name": "default", "job": 29036, "event": "table_file_creation", "file_number": 14662597, "file_size": 8687704, "file_checksum": "", "file_checksum_func_name": "Unknown", "smallest_seqno": 190504590399, "largest_seqno": 190523319023, "table_properties": {"data_size": 7518928, "index_size": 356544, "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": 5229308, "raw_average_key_size": 28, "raw_value_size": 21632798, "raw_average_value_size": 115, "num_data_blocks": 1, "num_entries": 186761, "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": 1724127627, "oldest_key_time": 0, "file_creation_time": 1724127627, "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": 14662597, "seqno_to_time_mapping": "N/A", "__indexstats__": "[...1 records...]"}} 2024/08/20-12:20:30.998685 140500556990016 [compaction_job.cc:699] job-29036: subcompact[0], size: 0.030499 G, files: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-29036/att-00 [14662596,14662597] 2024/08/20-12:20:31.014616 140500556990016 (Original Log Time 2024/08/20-12:20:23.888708) EVENT_LOG_v1 {"time_micros": 1724127623888654, "job": 29036, "event": "compaction_started", "compaction_reason": "FilesMarkedForCompaction", "files_L1": [14662570], "files_L2": [14662541, 14662542], "score": 0.994017, "input_data_size": 32879058, "oldest_snapshot_seqno": 190523338742} 2024/08/20-12:20:31.014621 140500556990016 (Original Log Time 2024/08/20-12:20:31.014170) [compaction_job.cc:2018] [default] [JOB 29036] Compacted 1@1 + 2@2 files to L2 => 30499142 bytes 2024/08/20-12:20:31.014623 140500556990016 (Original Log Time 2024/08/20-12:20:31.014531) [compaction_job.cc:1220] [default] compacted to: files[0 0 2 0 0 0 0] max score 0.01, MB/sec: 4.6 rd, 4.3 wr, level 2, files in(1, 2) out(2 +0 blob) MB in(3.3, 28.1 +0.0 blob) out(29.1 +0.0 blob), read-write-amplify(18.5) write-amplify(8.9) OK, records in: 653257, records dropped: 0 output_compression: Snappy 2024/08/20-12:20:31.014632 140500556990016 (Original Log Time 2024/08/20-12:20:31.014591) EVENT_LOG_v1 {"time_micros": 1724127631014560, "cf": "default", "job": 29036, "event": "compaction_finished", "compaction_time_micros": 7109992, "compaction_time_cpu_micros": 1399503, "output_level": 2, "num_output_files": 2, "total_output_size": 30499142, "num_input_records": 653257, "num_output_records": 653257, "num_subcompactions": 1, "output_compression": "Snappy", "num_single_delete_mismatches": 0, "num_single_delete_fallthrough": 0, "file_write_nanos": 37195182, "file_range_sync_nanos": 0, "file_fsync_nanos": 2197, "file_prepare_write_nanos": 6891, "lsm_state": [0, 0, 2, 0, 0, 0, 0]} 2024/08/20-12:20:31.149061 140500556990016 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":1724127623,"executesMs":7236,"compactionJobId":29036,"attempt":0,"compactionInputRawBytes":93970990,"compactionInputZipBytes":32879058,"compactionOutputRawBytes":0,"compactionOutputZipBytes":30499142,"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":"00-0d67d242e4f679cdd6b42d1ed3e1e953-2363a37bb62e4d79-00"}}, response = 2024/08/20-12:20:31.149180 140500556990016 INFO dcompact_worker.cpp:1456: finish /worker/dcompact-log/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/2024-08-20T02.42.00/.rocksdb/job-29036/att-00: olev 2, work 7.236 s, result 4.928 ms, install 0.488 ms, input{raw 89.618 MiB zip 31.356 MiB}