2024/08/20-23:15:05.923597 139856832910912 DEBG dcompact_worker.cpp:2211: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00: fork to child time = 0.018730 sec 2024/08/20-23:15:05.924746 139856832910912 DEBG dcompact_worker.cpp:1011: Beg SerDeRead: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00 2024/08/20-23:15:05.930840 139856832910912 DEBG dcompact_worker.cpp:1031: End SerDeRead: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00 2024/08/20-23:15:05.932681 139856832910912 TRAC dcompact_worker.cpp:1081: INFO_LOG_LEVEL: rpc = INFO_LEVEL, env_var = undefined 2024/08/20-23:15:05.933083 139856832910912 [WARN] [column_family.cc:386] multiple cf_paths/db_paths and level_compaction_dynamic_level_bytes can't be used together 2024/08/20-23:15:05.990030 139856832910912 [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-54785/att-00/MANIFEST-14629260 2024/08/20-23:15:06.016345 139856832910912 [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-54785/att-00/MANIFEST-14629260 succeeded,manifest_file_number is 14629260, next_file_number is 14692352, last_sequence is 191168727529, log_number is 0,prev_log_number is 0,max_column_family is 0,min_log_number_to_keep is 14692312 2024/08/20-23:15:06.016357 139856832910912 [version_set.cc:6197] Column family [default] (ID 0), log number is 0 2024/08/20-23:15:06.016437 139856832910912 [version_set.cc:5652] Creating manifest 14692352 2024/08/20-23:15:06.046581 139856832910912 DEBG dcompact_worker.cpp:1215: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00: bottommost_level: fake = 1, rpc = 0 2024/08/20-23:15:06.059483 139856832910912 [compaction_job.cc:2433] [default] [JOB 54785] Compacting 1@2 + 2@3 files to L3, score 1.00, subcompactions 1 : 1 2024/08/20-23:15:06.059499 139856832910912 [compaction_job.cc:2441] [default]: Compaction start summary: Base version 27706 Base level 2, inputs: [14692319(19MB)], [14692265(97MB) 14692266(59MB)] 2024/08/20-23:15:06.227011 139856832910912 [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 2024/08/20-23:15:06.227035 139856832910912 [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 2024/08/20-23:15:06.227060 139856832910912 [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 2024/08/20-23:15:06.227073 139856832910912 [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 2024/08/20-23:15:06.227083 139856832910912 [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 2024/08/20-23:15:07.004091 139856832910912 [top_zip_table_builder.cc:934] ToplingZipTableBuilder(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00/14692353.sst) /dev/shm/ToplingTemp/Topling-55702-kAEiU9 2024/08/20-23:15:07.414912 139856832910912 [top_zip_table_builder.cc:1344] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00/14692353.sst): first pass time = 0.41's, 326.758'MB/sec 2024/08/20-23:15:10.257548 139856832910912 [top_zip_table_builder.cc:2764] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00/14692353.sst): old prealloc_size = 147639500, real_size = 100159696 2024/08/20-23:15:10.257758 139856832910912 [top_zip_table_builder.cc:1765] BuildReorderMap(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00/14692353.sst): index type = NestLoudsTrieDAWG_Mixed_XL_256_32_FL, store type = DictZipBlobStore usrkeys = 197720 prefix = 4 raw-key = 0.0024 GB zip-key = 0.0004 GB avg-key = 12.00 avg-zkey = 1.90 raw-val = 0.1295 GB zip-val = 0.0997 GB avg-val = 654.83 avg-zval = 504.42 2024/08/20-23:15:10.258040 139856832910912 [top_zip_table_builder.cc:1295] /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00/14692353.sst: sumWaitingMem = 0.000 GB, sumWorkingMem = 0.000 GB, reorder workingMem = 0.0004 GB, waited 0.000 sec, Key+Value = 0.134 GB 2024/08/20-23:15:10.827044 139856832910912 [top_zip_table_builder.cc:3092] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00/14692353.sst): second pass time = 2.82's, 45.850'MB/sec, value only(96.5% of KV) wait indexing time = 0.02's, remap KeyValue time = 0.57's, 179.516'MB/sec (all stages of remap) Get OrderMap time = 0.00's, 2091.303'MB/sec (index lex order gen) rebuild zvType time = 0.46's, 0.108'MB/sec write SST data time = 0.11's, 927.499'MB/sec dict compress time = 4356233619.02's, 0.000'MB/sec z-dict build time = 0.00's, sample length = 1.351'MB, throughput = 30051.513'MB/sec zip my value time = 2.82's, unzip length = 0.129'GB zip my value throughput = 45.850'MB/sec zip pipeline throughput = 80.133'MB/sec entries = 197720 avg-key = 24.00 avg-zkey = 1.90 avg-val = 654.83 avg-zval = 504.42 usrkeys = 197720 avg-key = 16.00 avg-zkey = 1.90 avg-val = 661.83 avg-zval = 504.42 TagRS{ kinds = RS_Key0_Tag1 bytes = 0 } TagArray{ size = 197720 bytes = 766176 } seq expand size = 1384040 multi value expand size = 0 cnt WriteAppend = 13 UnZipSize{ index = 0.0032 GB value = 0.1295 GB dict = 1.35 MB all = 0.1342 GB } __ZipSize{ index = 0.0004 GB value = 0.0997 GB dict = 1.35 MB all = 0.1022 GB } UnZip/Zip{ index = 8.4165 value = 1.2982 dict = 1.00 all = 1.3129 } Zip/UnZip{ index = 0.1188 value = 0.7703 dict = 1.00 all = 0.7617 } ---------------------------- total value len = 0.130857 GB avg = 0.662 KB (by entry num) total key len = 0.004745 GB avg = 0.024 KB total ukey len = 0.003164 GB avg = 0.016 KB total ukey num = 0.000197720 Billion total entry num = 0.000197720 Billion write speed all = 0.012270892 MB/sec (with seq num) write speed all = 0.012127756 MB/sec (without seq num) 2024/08/20-23:15:10.952354 139856832910912 [compaction_job.cc:1944] [default] [JOB 54785] Generated table #14692353: 197720 keys, 102229691 bytes, temperature: kWarm 2024/08/20-23:15:10.952462 139856832910912 EVENT_LOG_v1 {"time_micros": 1724166910952401, "cf_name": "default", "job": 54785, "event": "table_file_creation", "file_number": 14692353, "file_size": 102229691, "file_checksum": "", "file_checksum_func_name": "Unknown", "smallest_seqno": 189648517461, "largest_seqno": 191168664306, "table_properties": {"data_size": 99734208, "index_size": 375872, "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": 4745280, "raw_average_key_size": 24, "raw_value_size": 129473144, "raw_average_value_size": 654, "num_data_blocks": 1, "num_entries": 197720, "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": 1724166906, "oldest_key_time": 0, "file_creation_time": 1724166906, "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": 14692353, "seqno_to_time_mapping": "N/A", "__indexstats__": "[...1 records...]"}} 2024/08/20-23:15:11.039116 139856832910912 [top_zip_table_builder.cc:934] ToplingZipTableBuilder(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00/14692354.sst) /dev/shm/ToplingTemp/Topling-55702-hD3Tz8 2024/08/20-23:15:11.872078 139856832910912 [top_zip_table_builder.cc:1344] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00/14692354.sst): first pass time = 0.83's, 100.724'MB/sec 2024/08/20-23:15:14.492743 139856832910912 [top_zip_table_builder.cc:2764] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00/14692354.sst): old prealloc_size = 147639500, real_size = 62788688 2024/08/20-23:15:14.492892 139856832910912 [top_zip_table_builder.cc:1765] BuildReorderMap(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00/14692354.sst): index type = NestLoudsTrieDAWG_Mixed_XL_256_32_FL, store type = DictZipBlobStore usrkeys = 123534 prefix = 4 raw-key = 0.0015 GB zip-key = 0.0002 GB avg-key = 12.00 avg-zkey = 1.91 raw-val = 0.0809 GB zip-val = 0.0625 GB avg-val = 655.11 avg-zval = 506.11 2024/08/20-23:15:14.493064 139856832910912 [top_zip_table_builder.cc:1295] /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00/14692354.sst: sumWaitingMem = 0.000 GB, sumWorkingMem = 0.000 GB, reorder workingMem = 0.0003 GB, waited 0.000 sec, Key+Value = 0.084 GB 2024/08/20-23:15:14.704420 139856832910912 [top_zip_table_builder.cc:3092] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00/14692354.sst): second pass time = 2.62's, 30.891'MB/sec, value only(96.5% of KV) wait indexing time = 0.00's, remap KeyValue time = 0.21's, 302.472'MB/sec (all stages of remap) Get OrderMap time = 0.00's, 1990.054'MB/sec (index lex order gen) rebuild zvType time = 0.16's, 0.189'MB/sec write SST data time = 0.05's, 1332.378'MB/sec dict compress time = 4356233619.02's, 0.000'MB/sec z-dict build time = 0.00's, sample length = 0.850'MB, throughput = 20802.579'MB/sec zip my value time = 2.62's, unzip length = 0.081'GB zip my value throughput = 30.891'MB/sec zip pipeline throughput = 141.432'MB/sec entries = 123534 avg-key = 24.00 avg-zkey = 1.91 avg-val = 655.11 avg-zval = 506.11 usrkeys = 123534 avg-key = 16.00 avg-zkey = 1.91 avg-val = 662.11 avg-zval = 506.11 TagRS{ kinds = RS_Key0_Tag1 bytes = 0 } TagArray{ size = 123534 bytes = 416944 } seq expand size = 864738 multi value expand size = 0 cnt WriteAppend = 13 UnZipSize{ index = 0.0020 GB value = 0.0809 GB dict = 0.85 MB all = 0.0839 GB } __ZipSize{ index = 0.0002 GB value = 0.0625 GB dict = 0.85 MB all = 0.0640 GB } UnZip/Zip{ index = 8.3854 value = 1.2944 dict = 1.00 all = 1.3103 } Zip/UnZip{ index = 0.1193 value = 0.7726 dict = 1.00 all = 0.7632 } ---------------------------- total value len = 0.212650 GB avg = 0.662 KB (by entry num) total key len = 0.007710 GB avg = 0.024 KB total ukey len = 0.005140 GB avg = 0.016 KB total ukey num = 0.000321254 Billion total entry num = 0.000321254 Billion write speed all = 0.019933746 MB/sec (with seq num) write speed all = 0.019701261 MB/sec (without seq num) 2024/08/20-23:15:14.821281 139856832910912 [compaction_job.cc:1944] [default] [JOB 54785] Generated table #14692354: 123534 keys, 64027171 bytes, temperature: kWarm 2024/08/20-23:15:14.821415 139856832910912 EVENT_LOG_v1 {"time_micros": 1724166914821318, "cf_name": "default", "job": 54785, "event": "table_file_creation", "file_number": 14692354, "file_size": 64027171, "file_checksum": "", "file_checksum_func_name": "Unknown", "smallest_seqno": 191037323950, "largest_seqno": 191168664384, "table_properties": {"data_size": 62521920, "index_size": 235712, "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": 2964816, "raw_average_key_size": 24, "raw_value_size": 80927963, "raw_average_value_size": 655, "num_data_blocks": 1, "num_entries": 123534, "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": 1724166911, "oldest_key_time": 0, "file_creation_time": 1724166911, "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": 14692354, "seqno_to_time_mapping": "N/A", "__indexstats__": "[...1 records...]"}} 2024/08/20-23:15:14.844539 139856832910912 [compaction_job.cc:699] job-54785: subcompact[0], size: 0.166257 G, files: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54785/att-00 [14692353,14692354] 2024/08/20-23:15:14.887645 139856832910912 (Original Log Time 2024/08/20-23:15:06.059562) EVENT_LOG_v1 {"time_micros": 1724166906059513, "job": 54785, "event": "compaction_started", "compaction_reason": "FilesMarkedForCompaction", "files_L2": [14692319], "files_L3": [14692265, 14692266], "score": 0.99903, "input_data_size": 185089671, "oldest_snapshot_seqno": 191168726814} 2024/08/20-23:15:14.887649 139856832910912 (Original Log Time 2024/08/20-23:15:14.887225) [compaction_job.cc:2018] [default] [JOB 54785] Compacted 1@2 + 2@3 files to L3 => 166256862 bytes 2024/08/20-23:15:14.887650 139856832910912 (Original Log Time 2024/08/20-23:15:14.887588) [compaction_job.cc:1220] [default] compacted to: files[0 0 0 2 0 0 0] max score 0.01, MB/sec: 21.1 rd, 18.9 wr, level 3, files in(1, 2) out(2 +0 blob) MB in(19.8, 156.7 +0.0 blob) out(158.6 +0.0 blob), read-write-amplify(16.9) write-amplify(8.0) OK, records in: 347755, records dropped: 26501 output_compression: Snappy 2024/08/20-23:15:14.887659 139856832910912 (Original Log Time 2024/08/20-23:15:14.887627) EVENT_LOG_v1 {"time_micros": 1724166914887610, "cf": "default", "job": 54785, "event": "compaction_finished", "compaction_time_micros": 8784993, "compaction_time_cpu_micros": 1244320, "output_level": 3, "num_output_files": 2, "total_output_size": 166256862, "num_input_records": 347755, "num_output_records": 321254, "num_subcompactions": 1, "output_compression": "Snappy", "num_single_delete_mismatches": 0, "num_single_delete_fallthrough": 0, "file_write_nanos": 172966762, "file_range_sync_nanos": 0, "file_fsync_nanos": 2085, "file_prepare_write_nanos": 6797, "lsm_state": [0, 0, 0, 2, 0, 0, 0]} 2024/08/20-23:15:15.001561 139856832910912 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":1724166905,"executesMs":8948,"compactionJobId":54785,"attempt":0,"compactionInputRawBytes":236097891,"compactionInputZipBytes":185089671,"compactionOutputRawBytes":0,"compactionOutputZipBytes":166256862,"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":"00-6389d99fd28fbdab8519be2fd94c12ad-f20a3edd4fc6597d-00"}}, response = 2024/08/20-23:15:15.001660 139856832910912 INFO dcompact_worker.cpp:1456: finish /worker/dcompact-log/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/2024-08-20T02.42.00/.rocksdb/job-54785/att-00: olev 3, work 8.949 s, result 14.636 ms, install 0.460 ms, input{raw 225.160 MiB zip 176.515 MiB}