2024/08/21-01:57:21.991109 140539710686784 DEBG dcompact_worker.cpp:2211: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00: fork to child time = 0.021100 sec 2024/08/21-01:57:21.991814 140539710686784 DEBG dcompact_worker.cpp:1011: Beg SerDeRead: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00 2024/08/21-01:57:21.996243 140539710686784 DEBG dcompact_worker.cpp:1031: End SerDeRead: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00 2024/08/21-01:57:22.001348 140539710686784 TRAC dcompact_worker.cpp:1081: INFO_LOG_LEVEL: rpc = INFO_LEVEL, env_var = undefined 2024/08/21-01:57:22.001723 140539710686784 [WARN] [column_family.cc:386] multiple cf_paths/db_paths and level_compaction_dynamic_level_bytes can't be used together 2024/08/21-01:57:22.059531 140539710686784 [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-60301/att-00/MANIFEST-14629260 2024/08/21-01:57:22.105985 140539710686784 [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-60301/att-00/MANIFEST-14629260 succeeded,manifest_file_number is 14629260, next_file_number is 14698606, last_sequence is 191313357036, log_number is 0,prev_log_number is 0,max_column_family is 0,min_log_number_to_keep is 14698501 2024/08/21-01:57:22.105996 140539710686784 [version_set.cc:6197] Column family [default] (ID 0), log number is 0 2024/08/21-01:57:22.106076 140539710686784 [version_set.cc:5652] Creating manifest 14698606 2024/08/21-01:57:22.129940 140539710686784 DEBG dcompact_worker.cpp:1215: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00: bottommost_level: fake = 1, rpc = 0 2024/08/21-01:57:22.142647 140539710686784 [compaction_job.cc:2433] [default] [JOB 60301] Compacting 1@2 + 2@3 files to L3, score 1.07, subcompactions 1 : 1 2024/08/21-01:57:22.142661 140539710686784 [compaction_job.cc:2441] [default]: Compaction start summary: Base version 30364 Base level 2, inputs: [14698584(19MB)], [14697700(38MB) 14697701(1709B)] 2024/08/21-01:57:22.149035 140539710686784 [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 2024/08/21-01:57:22.149082 140539710686784 [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 2024/08/21-01:57:22.149108 140539710686784 [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 2024/08/21-01:57:22.149121 140539710686784 [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 2024/08/21-01:57:22.149132 140539710686784 [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 2024/08/21-01:57:22.625927 140539710686784 [top_zip_table_builder.cc:934] ToplingZipTableBuilder(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00/14698607.sst) /dev/shm/ToplingTemp/Topling-15199-nhKFKs 2024/08/21-01:57:23.307624 140539710686784 [top_zip_table_builder.cc:1344] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00/14698607.sst): first pass time = 0.68's, 196.907'MB/sec 2024/08/21-01:57:26.433685 140539710686784 [top_zip_table_builder.cc:2764] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00/14698607.sst): old prealloc_size = 67247958, real_size = 35647584 2024/08/21-01:57:26.434173 140539710686784 [top_zip_table_builder.cc:1765] BuildReorderMap(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00/14698607.sst): index type = NestLoudsTrieDAWG_Mixed_XL_256_32_FL, store type = DictZipBlobStore usrkeys = 930573 prefix = 4 raw-key = 0.0149 GB zip-key = 0.0018 GB avg-key = 16.00 avg-zkey = 1.93 raw-val = 0.1082 GB zip-val = 0.0336 GB avg-val = 116.23 avg-zval = 36.13 2024/08/21-01:57:26.435023 140539710686784 [top_zip_table_builder.cc:1295] /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00/14698607.sst: sumWaitingMem = 0.002 GB, sumWorkingMem = 0.000 GB, reorder workingMem = 0.0023 GB, waited 0.000 sec, Key+Value = 0.134 GB 2024/08/21-01:57:27.352329 140539710686784 [top_zip_table_builder.cc:3092] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00/14698607.sst): second pass time = 3.13's, 34.611'MB/sec, value only(80.6% of KV) wait indexing time = 0.00's, remap KeyValue time = 0.92's, 43.404'MB/sec (all stages of remap) Get OrderMap time = 0.00's, 3842.578'MB/sec (index lex order gen) rebuild zvType time = 0.79's, 0.295'MB/sec write SST data time = 0.13's, 304.714'MB/sec dict compress time = 4356233619.02's, 0.000'MB/sec z-dict build time = 0.00's, sample length = 1.078'MB, throughput = 26962.735'MB/sec zip my value time = 3.13's, unzip length = 0.108'GB zip my value throughput = 34.611'MB/sec zip pipeline throughput = 131.642'MB/sec entries = 930573 avg-key = 28.00 avg-zkey = 1.93 avg-val = 116.23 avg-zval = 36.13 usrkeys = 930573 avg-key = 20.00 avg-zkey = 1.93 avg-val = 123.23 avg-zval = 36.13 TagRS{ kinds = RS_Key0_Tag1 bytes = 0 } TagArray{ size = 930573 bytes = 3373344 } seq expand size = 6514011 multi value expand size = 0 cnt WriteAppend = 18 UnZipSize{ index = 0.0186 GB value = 0.1082 GB dict = 1.08 MB all = 0.1342 GB } __ZipSize{ index = 0.0018 GB value = 0.0336 GB dict = 1.08 MB all = 0.0399 GB } UnZip/Zip{ index = 10.3777 value = 3.2171 dict = 1.00 all = 3.3662 } Zip/UnZip{ index = 0.0964 value = 0.3108 dict = 1.00 all = 0.2971 } ---------------------------- total value len = 0.114676 GB avg = 0.123 KB (by entry num) total key len = 0.026056 GB avg = 0.028 KB total ukey len = 0.018611 GB avg = 0.020 KB total ukey num = 0.000930573 Billion total entry num = 0.000930573 Billion write speed all = 0.065724102 MB/sec (with seq num) write speed all = 0.062247356 MB/sec (without seq num) 2024/08/21-01:57:27.410795 140539710686784 [compaction_job.cc:1944] [default] [JOB 60301] Generated table #14698607: 930573 keys, 39872143 bytes, temperature: kWarm 2024/08/21-01:57:27.410872 140539710686784 EVENT_LOG_v1 {"time_micros": 1724176647410829, "cf_name": "default", "job": 60301, "event": "table_file_creation", "file_number": 14698607, "file_size": 39872143, "file_checksum": "", "file_checksum_func_name": "Unknown", "smallest_seqno": 190950156196, "largest_seqno": 191312953125, "table_properties": {"data_size": 33621328, "index_size": 1793408, "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": 26056044, "raw_average_key_size": 28, "raw_value_size": 108161730, "raw_average_value_size": 116, "num_data_blocks": 1, "num_entries": 930573, "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": 1724176642, "oldest_key_time": 0, "file_creation_time": 1724176642, "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": 14698607, "seqno_to_time_mapping": "N/A", "__indexstats__": "[...1 records...]"}} 2024/08/21-01:57:27.441141 140539710686784 [top_zip_table_builder.cc:934] ToplingZipTableBuilder(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00/14698608.sst) /dev/shm/ToplingTemp/Topling-15199-we5ejv 2024/08/21-01:57:27.782617 140539710686784 [top_zip_table_builder.cc:1344] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00/14698608.sst): first pass time = 0.34's, 196.546'MB/sec 2024/08/21-01:57:28.699034 140539710686784 [top_zip_table_builder.cc:2764] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00/14698608.sst): old prealloc_size = 67247958, real_size = 17470064 2024/08/21-01:57:28.699445 140539710686784 [top_zip_table_builder.cc:1765] BuildReorderMap(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00/14698608.sst): index type = NestLoudsTrieDAWG_Mixed_XL_256_32_FL, store type = DictZipBlobStore usrkeys = 468793 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 = 0.0165 GB avg-val = 115.15 avg-zval = 35.11 2024/08/21-01:57:28.700029 140539710686784 [top_zip_table_builder.cc:1295] /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00/14698608.sst: sumWaitingMem = 0.001 GB, sumWorkingMem = 0.000 GB, reorder workingMem = 0.0011 GB, waited 0.000 sec, Key+Value = 0.067 GB 2024/08/21-01:57:29.192990 140539710686784 [top_zip_table_builder.cc:3092] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00/14698608.sst): second pass time = 0.92's, 58.969'MB/sec, value only(80.4% of KV) wait indexing time = 0.00's, remap KeyValue time = 0.49's, 39.555'MB/sec (all stages of remap) Get OrderMap time = 0.00's, 2358.897'MB/sec (index lex order gen) rebuild zvType time = 0.42's, 0.279'MB/sec write SST data time = 0.07's, 267.608'MB/sec dict compress time = 4356233619.02's, 0.000'MB/sec z-dict build time = 0.00's, sample length = 0.541'MB, throughput = 19986.639'MB/sec zip my value time = 0.92's, unzip length = 0.054'GB zip my value throughput = 58.969'MB/sec zip pipeline throughput = 58.969'MB/sec entries = 468793 avg-key = 28.00 avg-zkey = 1.90 avg-val = 115.15 avg-zval = 35.11 usrkeys = 468793 avg-key = 20.00 avg-zkey = 1.90 avg-val = 122.15 avg-zval = 35.11 TagRS{ kinds = RS_Key0_Tag1 bytes = 0 } TagArray{ size = 468793 bytes = 1640784 } seq expand size = 3281551 multi value expand size = 0 cnt WriteAppend = 13 UnZipSize{ index = 0.0094 GB value = 0.0540 GB dict = 0.54 MB all = 0.0671 GB } __ZipSize{ index = 0.0009 GB value = 0.0165 GB dict = 0.54 MB all = 0.0195 GB } UnZip/Zip{ index = 10.5016 value = 3.2797 dict = 1.00 all = 3.4347 } Zip/UnZip{ index = 0.0952 value = 0.3049 dict = 1.00 all = 0.2911 } ---------------------------- total value len = 0.171940 GB avg = 0.123 KB (by entry num) total key len = 0.039182 GB avg = 0.028 KB total ukey len = 0.027987 GB avg = 0.020 KB total ukey num = 0.001399366 Billion total entry num = 0.001399366 Billion write speed all = 0.098513013 MB/sec (with seq num) write speed all = 0.093289285 MB/sec (without seq num) 2024/08/21-01:57:29.223823 140539710686784 [compaction_job.cc:1944] [default] [JOB 60301] Generated table #14698608: 468793 keys, 19538698 bytes, temperature: kWarm 2024/08/21-01:57:29.223887 140539710686784 EVENT_LOG_v1 {"time_micros": 1724176649223855, "cf_name": "default", "job": 60301, "event": "table_file_creation", "file_number": 14698608, "file_size": 19538698, "file_checksum": "", "file_checksum_func_name": "Unknown", "smallest_seqno": 191151631290, "largest_seqno": 191312954598, "table_properties": {"data_size": 16459872, "index_size": 892800, "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": 13126204, "raw_average_key_size": 28, "raw_value_size": 53982858, "raw_average_value_size": 115, "num_data_blocks": 1, "num_entries": 468793, "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": 1724176647, "oldest_key_time": 0, "file_creation_time": 1724176647, "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": 14698608, "seqno_to_time_mapping": "N/A", "__indexstats__": "[...1 records...]"}} 2024/08/21-01:57:29.236609 140539710686784 [compaction_job.cc:699] job-60301: subcompact[0], size: 0.059411 G, files: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-60301/att-00 [14698607,14698608] 2024/08/21-01:57:29.253167 140539710686784 (Original Log Time 2024/08/21-01:57:22.142716) EVENT_LOG_v1 {"time_micros": 1724176642142673, "job": 60301, "event": "compaction_started", "compaction_reason": "LevelMaxLevelSize", "files_L2": [14698584], "files_L3": [14697700, 14697701], "score": 1.07374, "input_data_size": 61134508, "oldest_snapshot_seqno": 191313356641} 2024/08/21-01:57:29.253171 140539710686784 (Original Log Time 2024/08/21-01:57:29.252823) [compaction_job.cc:2018] [default] [JOB 60301] Compacted 1@2 + 2@3 files to L3 => 59410841 bytes 2024/08/21-01:57:29.253172 140539710686784 (Original Log Time 2024/08/21-01:57:29.253111) [compaction_job.cc:1220] [default] compacted to: files[0 0 0 2 0 0 0] max score 0.00, MB/sec: 8.6 rd, 8.4 wr, level 3, files in(1, 2) out(2 +0 blob) MB in(19.7, 38.6 +0.0 blob) out(56.7 +0.0 blob), read-write-amplify(5.8) write-amplify(2.9) OK, records in: 1399366, records dropped: 0 output_compression: Snappy 2024/08/21-01:57:29.253178 140539710686784 (Original Log Time 2024/08/21-01:57:29.253150) EVENT_LOG_v1 {"time_micros": 1724176649253132, "cf": "default", "job": 60301, "event": "compaction_finished", "compaction_time_micros": 7093902, "compaction_time_cpu_micros": 2329001, "output_level": 3, "num_output_files": 2, "total_output_size": 59410841, "num_input_records": 1399366, "num_output_records": 1399366, "num_subcompactions": 1, "output_compression": "Snappy", "num_single_delete_mismatches": 0, "num_single_delete_fallthrough": 0, "file_write_nanos": 45709524, "file_range_sync_nanos": 0, "file_fsync_nanos": 1360, "file_prepare_write_nanos": 5203, "lsm_state": [0, 0, 0, 2, 0, 0, 0]} 2024/08/21-01:57:29.348644 140539710686784 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":1724176641,"executesMs":7255,"compactionJobId":60301,"attempt":0,"compactionInputRawBytes":201326836,"compactionInputZipBytes":61134508,"compactionOutputRawBytes":0,"compactionOutputZipBytes":59410841,"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":"00-34069ecfb7f91956a31bf07471da14c1-8845b66eb11c2751-00"}}, response = 2024/08/21-01:57:29.348725 140539710686784 INFO dcompact_worker.cpp:1456: finish /worker/dcompact-log/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/2024-08-20T02.42.00/.rocksdb/job-60301/att-00: olev 3, work 7.255 s, result 6.270 ms, install 0.372 ms, input{raw 192.000 MiB zip 58.302 MiB}