2024/08/20-03:33:26.121389 140500196103744 DEBG dcompact_worker.cpp:2211: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00: fork to child time = 0.056635 sec 2024/08/20-03:33:26.122456 140500196103744 DEBG dcompact_worker.cpp:1011: Beg SerDeRead: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00 2024/08/20-03:33:26.127379 140500196103744 DEBG dcompact_worker.cpp:1031: End SerDeRead: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00 2024/08/20-03:33:26.135305 140500196103744 TRAC dcompact_worker.cpp:1081: INFO_LOG_LEVEL: rpc = INFO_LEVEL, env_var = undefined 2024/08/20-03:33:26.135642 140500196103744 [WARN] [column_family.cc:386] multiple cf_paths/db_paths and level_compaction_dynamic_level_bytes can't be used together 2024/08/20-03:33:26.173595 140500196103744 [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-03321/att-00/MANIFEST-14629260 2024/08/20-03:33:26.187164 140500196103744 [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-03321/att-00/MANIFEST-14629260 succeeded,manifest_file_number is 14629260, next_file_number is 14632959, last_sequence is 189869430761, log_number is 0,prev_log_number is 0,max_column_family is 0,min_log_number_to_keep is 14632822 2024/08/20-03:33:26.187174 140500196103744 [version_set.cc:6197] Column family [default] (ID 0), log number is 0 2024/08/20-03:33:26.187259 140500196103744 [version_set.cc:5652] Creating manifest 14632959 2024/08/20-03:33:26.215207 140500196103744 DEBG dcompact_worker.cpp:1215: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00: bottommost_level: fake = 1, rpc = 0 2024/08/20-03:33:26.229867 140500196103744 [compaction_job.cc:2433] [default] [JOB 3321] Compacting 1@2 + 2@3 files to L3, score 1.00, subcompactions 1 : 1 2024/08/20-03:33:26.229882 140500196103744 [compaction_job.cc:2441] [default]: Compaction start summary: Base version 1744 Base level 2, inputs: [14632934(21MB)], [14632896(97MB) 14632897(42MB)] 2024/08/20-03:33:26.500556 140500196103744 [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 2024/08/20-03:33:26.500579 140500196103744 [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 2024/08/20-03:33:26.500602 140500196103744 [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 2024/08/20-03:33:26.500614 140500196103744 [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 2024/08/20-03:33:26.500624 140500196103744 [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 2024/08/20-03:33:27.914506 140500196103744 [top_zip_table_builder.cc:934] ToplingZipTableBuilder(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00/14632960.sst) /dev/shm/ToplingTemp/Topling-143286-hkcTtP 2024/08/20-03:33:28.396107 140500196103744 [top_zip_table_builder.cc:1344] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00/14632960.sst): first pass time = 0.48's, 278.725'MB/sec 2024/08/20-03:33:33.698609 140500196103744 [top_zip_table_builder.cc:2764] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00/14632960.sst): old prealloc_size = 147639500, real_size = 100495008 2024/08/20-03:33:33.698862 140500196103744 [top_zip_table_builder.cc:1765] BuildReorderMap(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00/14632960.sst): index type = NestLoudsTrieDAWG_Mixed_XL_256_32_FL, store type = DictZipBlobStore usrkeys = 197724 prefix = 4 raw-key = 0.0024 GB zip-key = 0.0004 GB avg-key = 12.00 avg-zkey = 1.92 raw-val = 0.1295 GB zip-val = 0.1001 GB avg-val = 654.82 avg-zval = 506.09 2024/08/20-03:33:33.699127 140500196103744 [top_zip_table_builder.cc:1295] /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00/14632960.sst: sumWaitingMem = 0.000 GB, sumWorkingMem = 0.020 GB, reorder workingMem = 0.0004 GB, waited 0.000 sec, Key+Value = 0.134 GB 2024/08/20-03:33:34.242081 140500196103744 [top_zip_table_builder.cc:3092] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00/14632960.sst): second pass time = 5.30's, 24.422'MB/sec, value only(96.5% of KV) wait indexing time = 0.00's, remap KeyValue time = 0.54's, 188.582'MB/sec (all stages of remap) Get OrderMap time = 0.00's, 1836.424'MB/sec (index lex order gen) rebuild zvType time = 0.35's, 0.141'MB/sec write SST data time = 0.19's, 530.607'MB/sec dict compress time = 4356233619.02's, 0.000'MB/sec z-dict build time = 0.00's, sample length = 1.348'MB, throughput = 34977.190'MB/sec zip my value time = 5.30's, unzip length = 0.129'GB zip my value throughput = 24.422'MB/sec zip pipeline throughput = 130.831'MB/sec entries = 197724 avg-key = 24.00 avg-zkey = 1.92 avg-val = 654.82 avg-zval = 506.09 usrkeys = 197724 avg-key = 16.00 avg-zkey = 1.92 avg-val = 661.82 avg-zval = 506.09 TagRS{ kinds = RS_Key0_Tag1 bytes = 0 } TagArray{ size = 197724 bytes = 692048 } seq expand size = 1384068 multi value expand size = 0 cnt WriteAppend = 12 UnZipSize{ index = 0.0032 GB value = 0.1295 GB dict = 1.35 MB all = 0.1342 GB } __ZipSize{ index = 0.0004 GB value = 0.1001 GB dict = 1.35 MB all = 0.1025 GB } UnZip/Zip{ index = 8.3400 value = 1.2939 dict = 1.00 all = 1.3096 } Zip/UnZip{ index = 0.1199 value = 0.7729 dict = 1.00 all = 0.7636 } ---------------------------- total value len = 62.427607 GB avg = 0.180 KB (by entry num) total key len = 6.793503 GB avg = 0.020 KB total ukey len = 3.192671 GB avg = 0.008 KB total ukey num = 0.389531285 Billion total entry num = 0.346409293 Billion write speed all = 1.924249678 MB/sec (with seq num) write speed all = 1.847212142 MB/sec (without seq num) 2024/08/20-03:33:34.407241 140500196103744 [compaction_job.cc:1944] [default] [JOB 3321] Generated table #14632960: 197724 keys, 102488241 bytes, temperature: kWarm 2024/08/20-03:33:34.407346 140500196103744 EVENT_LOG_v1 {"time_micros": 1724096014407284, "cf_name": "default", "job": 3321, "event": "table_file_creation", "file_number": 14632960, "file_size": 102488241, "file_checksum": "", "file_checksum_func_name": "Unknown", "smallest_seqno": 189647000998, "largest_seqno": 189869348484, "table_properties": {"data_size": 100066064, "index_size": 379328, "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": 4745376, "raw_average_key_size": 24, "raw_value_size": 129472965, "raw_average_value_size": 654, "num_data_blocks": 1, "num_entries": 197724, "num_filter_entries": 0, "num_deletions": 0, "num_merge_operands": 0, "num_range_deletions": 0, "format_version": 0, "fixed_key_len": 24, "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": 1724096007, "oldest_key_time": 0, "file_creation_time": 1724096007, "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": 14632960, "seqno_to_time_mapping": "N/A", "__indexstats__": "[...1 records...]"}} 2024/08/20-03:33:34.478974 140500196103744 [top_zip_table_builder.cc:934] ToplingZipTableBuilder(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00/14632961.sst) /dev/shm/ToplingTemp/Topling-143286-TopFFN 2024/08/20-03:33:35.099189 140500196103744 [top_zip_table_builder.cc:1344] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00/14632961.sst): first pass time = 0.62's, 99.456'MB/sec 2024/08/20-03:33:36.235905 140500196103744 [top_zip_table_builder.cc:2764] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00/14632961.sst): old prealloc_size = 147639500, real_size = 46497280 2024/08/20-03:33:36.236059 140500196103744 [top_zip_table_builder.cc:1765] BuildReorderMap(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00/14632961.sst): index type = NestLoudsTrieDAWG_Mixed_XL_256_32_FL, store type = DictZipBlobStore usrkeys = 90860 prefix = 4 raw-key = 0.0011 GB zip-key = 0.0002 GB avg-key = 12.00 avg-zkey = 1.90 raw-val = 0.0595 GB zip-val = 0.0463 GB avg-val = 654.83 avg-zval = 509.59 2024/08/20-03:33:36.236210 140500196103744 [top_zip_table_builder.cc:1295] /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00/14632961.sst: sumWaitingMem = 0.000 GB, sumWorkingMem = 0.020 GB, reorder workingMem = 0.0002 GB, waited 0.000 sec, Key+Value = 0.062 GB 2024/08/20-03:33:36.470481 140500196103744 [top_zip_table_builder.cc:3092] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00/14632961.sst): second pass time = 1.14's, 52.385'MB/sec, value only(96.5% of KV) wait indexing time = 0.00's, remap KeyValue time = 0.23's, 202.036'MB/sec (all stages of remap) Get OrderMap time = 0.00's, 1537.609'MB/sec (index lex order gen) rebuild zvType time = 0.16's, 0.139'MB/sec write SST data time = 0.07's, 666.688'MB/sec dict compress time = 4356233619.02's, 0.000'MB/sec z-dict build time = 0.00's, sample length = 0.608'MB, throughput = 15322.677'MB/sec zip my value time = 1.14's, unzip length = 0.059'GB zip my value throughput = 52.385'MB/sec zip pipeline throughput = 65.409'MB/sec entries = 90860 avg-key = 24.00 avg-zkey = 1.90 avg-val = 654.83 avg-zval = 509.59 usrkeys = 90860 avg-key = 16.00 avg-zkey = 1.90 avg-val = 661.83 avg-zval = 509.59 TagRS{ kinds = RS_Key0_Tag1 bytes = 0 } TagArray{ size = 90860 bytes = 306672 } seq expand size = 636020 multi value expand size = 0 cnt WriteAppend = 13 UnZipSize{ index = 0.0015 GB value = 0.0595 GB dict = 0.61 MB all = 0.0617 GB } __ZipSize{ index = 0.0002 GB value = 0.0463 GB dict = 0.61 MB all = 0.0474 GB } UnZip/Zip{ index = 8.4192 value = 1.2850 dict = 1.00 all = 1.3015 } Zip/UnZip{ index = 0.1188 value = 0.7782 dict = 1.00 all = 0.7683 } ---------------------------- total value len = 62.487741 GB avg = 0.180 KB (by entry num) total key len = 6.795684 GB avg = 0.020 KB total ukey len = 3.194125 GB avg = 0.008 KB total ukey num = 0.389622145 Billion total entry num = 0.346500153 Billion write speed all = 1.925862644 MB/sec (with seq num) write speed all = 1.848809674 MB/sec (without seq num) 2024/08/20-03:33:36.532195 140500196103744 [compaction_job.cc:1944] [default] [JOB 3321] Generated table #14632961: 90860 keys, 47390950 bytes, temperature: kWarm 2024/08/20-03:33:36.532275 140500196103744 EVENT_LOG_v1 {"time_micros": 1724096016532228, "cf_name": "default", "job": 3321, "event": "table_file_creation", "file_number": 14632961, "file_size": 47390950, "file_checksum": "", "file_checksum_func_name": "Unknown", "smallest_seqno": 189765250715, "largest_seqno": 189869348551, "table_properties": {"data_size": 46301680, "index_size": 172672, "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": 2180640, "raw_average_key_size": 24, "raw_value_size": 59498241, "raw_average_value_size": 654, "num_data_blocks": 1, "num_entries": 90860, "num_filter_entries": 0, "num_deletions": 0, "num_merge_operands": 0, "num_range_deletions": 0, "format_version": 0, "fixed_key_len": 24, "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": 1724096014, "oldest_key_time": 0, "file_creation_time": 1724096014, "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": 14632961, "seqno_to_time_mapping": "N/A", "__indexstats__": "[...1 records...]"}} 2024/08/20-03:33:36.577391 140500196103744 [compaction_job.cc:699] job-03321: subcompact[0], size: 0.149879 G, files: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-03321/att-00 [14632960,14632961] 2024/08/20-03:33:36.623550 140500196103744 (Original Log Time 2024/08/20-03:33:26.229986) EVENT_LOG_v1 {"time_micros": 1724096006229905, "job": 3321, "event": "compaction_started", "compaction_reason": "FilesMarkedForCompaction", "files_L2": [14632934], "files_L3": [14632896, 14632897], "score": 0.995419, "input_data_size": 169906786, "oldest_snapshot_seqno": 189869430511} 2024/08/20-03:33:36.623556 140500196103744 (Original Log Time 2024/08/20-03:33:36.623000) [compaction_job.cc:2018] [default] [JOB 3321] Compacted 1@2 + 2@3 files to L3 => 149879191 bytes 2024/08/20-03:33:36.623558 140500196103744 (Original Log Time 2024/08/20-03:33:36.623460) [compaction_job.cc:1220] [default] compacted to: files[0 0 0 2 0 0 0] max score 0.01, MB/sec: 16.4 rd, 14.5 wr, level 3, files in(1, 2) out(2 +0 blob) MB in(21.5, 140.5 +0.0 blob) out(142.9 +0.0 blob), read-write-amplify(14.2) write-amplify(6.6) OK, records in: 316625, records dropped: 28041 output_compression: Snappy 2024/08/20-03:33:36.623567 140500196103744 (Original Log Time 2024/08/20-03:33:36.623521) EVENT_LOG_v1 {"time_micros": 1724096016623494, "cf": "default", "job": 3321, "event": "compaction_finished", "compaction_time_micros": 10347420, "compaction_time_cpu_micros": 1300539, "output_level": 3, "num_output_files": 2, "total_output_size": 149879191, "num_input_records": 316625, "num_output_records": 288584, "num_subcompactions": 1, "output_compression": "Snappy", "num_single_delete_mismatches": 0, "num_single_delete_fallthrough": 0, "file_write_nanos": 167231574, "file_range_sync_nanos": 0, "file_fsync_nanos": 1747, "file_prepare_write_nanos": 6205, "lsm_state": [0, 0, 0, 2, 0, 0, 0]} 2024/08/20-03:33:36.766046 140500196103744 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":1724096006,"executesMs":10489,"compactionJobId":3321,"attempt":0,"compactionInputRawBytes":214924183,"compactionInputZipBytes":169906786,"compactionOutputRawBytes":0,"compactionOutputZipBytes":149879191,"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":"00-9bcbd52c7e79187f5e24aad8b03c7570-a113e5614a1e0ac8-00"}}, response = 2024/08/20-03:33:36.766167 140500196103744 INFO dcompact_worker.cpp:1456: finish /worker/dcompact-log/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/2024-08-20T02.42.00/.rocksdb/job-03321/att-00: olev 3, work 10.489 s, result 12.006 ms, install 0.601 ms, input{raw 204.968 MiB zip 162.036 MiB}