2024/08/20-22:57:29.295734 139857034335808 DEBG dcompact_worker.cpp:2211: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00: fork to child time = 0.061960 sec 2024/08/20-22:57:29.297066 139857034335808 DEBG dcompact_worker.cpp:1011: Beg SerDeRead: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00 2024/08/20-22:57:29.302774 139857034335808 DEBG dcompact_worker.cpp:1031: End SerDeRead: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00 2024/08/20-22:57:29.304630 139857034335808 TRAC dcompact_worker.cpp:1081: INFO_LOG_LEVEL: rpc = INFO_LEVEL, env_var = undefined 2024/08/20-22:57:29.305118 139857034335808 [WARN] [column_family.cc:386] multiple cf_paths/db_paths and level_compaction_dynamic_level_bytes can't be used together 2024/08/20-22:57:29.339586 139857034335808 [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-54053/att-00/MANIFEST-14629260 2024/08/20-22:57:29.367489 139857034335808 [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-54053/att-00/MANIFEST-14629260 succeeded,manifest_file_number is 14629260, next_file_number is 14691517, last_sequence is 191152741778, log_number is 0,prev_log_number is 0,max_column_family is 0,min_log_number_to_keep is 14691328 2024/08/20-22:57:29.367499 139857034335808 [version_set.cc:6197] Column family [default] (ID 0), log number is 0 2024/08/20-22:57:29.367593 139857034335808 [version_set.cc:5652] Creating manifest 14691517 2024/08/20-22:57:29.398453 139857034335808 DEBG dcompact_worker.cpp:1215: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00: bottommost_level: fake = 1, rpc = 0 2024/08/20-22:57:29.411003 139857034335808 [compaction_job.cc:2433] [default] [JOB 54053] Compacting 1@2 + 2@3 files to L3, score 0.99, subcompactions 1 : 1 2024/08/20-22:57:29.411019 139857034335808 [compaction_job.cc:2441] [default]: Compaction start summary: Base version 27353 Base level 2, inputs: [14691481(19MB)], [14691405(97MB) 14691406(42MB)] 2024/08/20-22:57:29.631240 139857034335808 [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 2024/08/20-22:57:29.631424 139857034335808 [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 2024/08/20-22:57:29.631458 139857034335808 [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 2024/08/20-22:57:29.631474 139857034335808 [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 2024/08/20-22:57:29.631488 139857034335808 [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 2024/08/20-22:57:30.380416 139857034335808 [top_zip_table_builder.cc:934] ToplingZipTableBuilder(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00/14691518.sst) /dev/shm/ToplingTemp/Topling-50344-RGVvqY 2024/08/20-22:57:30.862364 139857034335808 [top_zip_table_builder.cc:1344] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00/14691518.sst): first pass time = 0.48's, 278.525'MB/sec 2024/08/20-22:57:36.238436 139857034335808 [top_zip_table_builder.cc:2764] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00/14691518.sst): old prealloc_size = 147639500, real_size = 100127424 2024/08/20-22:57:36.238686 139857034335808 [top_zip_table_builder.cc:1765] BuildReorderMap(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00/14691518.sst): index type = NestLoudsTrieDAWG_Mixed_XL_256_32_FL, store type = DictZipBlobStore usrkeys = 197709 prefix = 4 raw-key = 0.0024 GB zip-key = 0.0004 GB avg-key = 12.00 avg-zkey = 1.93 raw-val = 0.1295 GB zip-val = 0.0997 GB avg-val = 654.87 avg-zval = 504.25 2024/08/20-22:57:36.239055 139857034335808 [top_zip_table_builder.cc:1295] /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00/14691518.sst: sumWaitingMem = 0.000 GB, sumWorkingMem = 0.000 GB, reorder workingMem = 0.0004 GB, waited 0.000 sec, Key+Value = 0.134 GB 2024/08/20-22:57:36.784928 139857034335808 [top_zip_table_builder.cc:3092] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00/14691518.sst): second pass time = 5.38's, 24.088'MB/sec, value only(96.5% of KV) wait indexing time = 0.00's, remap KeyValue time = 0.55's, 187.004'MB/sec (all stages of remap) Get OrderMap time = 0.00's, 1924.499'MB/sec (index lex order gen) rebuild zvType time = 0.44's, 0.111'MB/sec write SST data time = 0.10's, 1005.380'MB/sec dict compress time = 4356233619.02's, 0.000'MB/sec z-dict build time = 0.00's, sample length = 1.349'MB, throughput = 34962.924'MB/sec zip my value time = 5.38's, unzip length = 0.129'GB zip my value throughput = 24.088'MB/sec zip pipeline throughput = 165.157'MB/sec entries = 197709 avg-key = 24.00 avg-zkey = 1.93 avg-val = 654.87 avg-zval = 504.25 usrkeys = 197709 avg-key = 16.00 avg-zkey = 1.93 avg-val = 661.87 avg-zval = 504.25 TagRS{ kinds = RS_Key0_Tag1 bytes = 0 } TagArray{ size = 197709 bytes = 766144 } seq expand size = 1383963 multi value expand size = 0 cnt WriteAppend = 14 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 = 8.2779 value = 1.2987 dict = 1.00 all = 1.3133 } Zip/UnZip{ index = 0.1208 value = 0.7700 dict = 1.00 all = 0.7614 } ---------------------------- 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 = 0.003163 GB avg = 0.016 KB total ukey num = 0.000197709 Billion total entry num = 0.000197709 Billion write speed all = 0.013564695 MB/sec (with seq num) write speed all = 0.013406475 MB/sec (without seq num) 2024/08/20-22:57:36.954078 139857034335808 [compaction_job.cc:1944] [default] [JOB 54053] Generated table #14691518: 197709 keys, 102196413 bytes, temperature: kWarm 2024/08/20-22:57:36.954200 139857034335808 EVENT_LOG_v1 {"time_micros": 1724165856954139, "cf_name": "default", "job": 54053, "event": "table_file_creation", "file_number": 14691518, "file_size": 102196413, "file_checksum": "", "file_checksum_func_name": "Unknown", "smallest_seqno": 189648517461, "largest_seqno": 191152443590, "table_properties": {"data_size": 99695664, "index_size": 382144, "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": 4745016, "raw_average_key_size": 24, "raw_value_size": 129473209, "raw_average_value_size": 654, "num_data_blocks": 1, "num_entries": 197709, "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": 1724165850, "oldest_key_time": 0, "file_creation_time": 1724165850, "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": 14691518, "seqno_to_time_mapping": "N/A", "__indexstats__": "[...1 records...]"}} 2024/08/20-22:57:37.028480 139857034335808 [top_zip_table_builder.cc:934] ToplingZipTableBuilder(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00/14691519.sst) /dev/shm/ToplingTemp/Topling-50344-un4UYX 2024/08/20-22:57:37.829681 139857034335808 [top_zip_table_builder.cc:1344] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00/14691519.sst): first pass time = 0.80's, 75.820'MB/sec 2024/08/20-22:57:38.969954 139857034335808 [top_zip_table_builder.cc:2764] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00/14691519.sst): old prealloc_size = 147639500, real_size = 45602560 2024/08/20-22:57:38.970075 139857034335808 [top_zip_table_builder.cc:1765] BuildReorderMap(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00/14691519.sst): index type = NestLoudsTrieDAWG_Mixed_XL_256_32_FL, store type = DictZipBlobStore usrkeys = 89456 prefix = 4 raw-key = 0.0011 GB zip-key = 0.0002 GB avg-key = 12.00 avg-zkey = 1.90 raw-val = 0.0586 GB zip-val = 0.0454 GB avg-val = 655.00 avg-zval = 507.62 2024/08/20-22:57:38.970201 139857034335808 [top_zip_table_builder.cc:1295] /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00/14691519.sst: sumWaitingMem = 0.000 GB, sumWorkingMem = 0.000 GB, reorder workingMem = 0.0002 GB, waited 0.000 sec, Key+Value = 0.061 GB 2024/08/20-22:57:39.137834 139857034335808 [top_zip_table_builder.cc:3092] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00/14691519.sst): second pass time = 1.14's, 51.419'MB/sec, value only(96.5% of KV) wait indexing time = 0.00's, remap KeyValue time = 0.17's, 276.866'MB/sec (all stages of remap) Get OrderMap time = 0.00's, 1901.479'MB/sec (index lex order gen) rebuild zvType time = 0.13's, 0.176'MB/sec write SST data time = 0.04's, 1146.919'MB/sec dict compress time = 4356233619.02's, 0.000'MB/sec z-dict build time = 0.00's, sample length = 0.601'MB, throughput = 11875.049'MB/sec zip my value time = 1.14's, unzip length = 0.059'GB zip my value throughput = 51.419'MB/sec zip pipeline throughput = 60.292'MB/sec entries = 89456 avg-key = 24.00 avg-zkey = 1.90 avg-val = 655.00 avg-zval = 507.62 usrkeys = 89456 avg-key = 16.00 avg-zkey = 1.90 avg-val = 662.00 avg-zval = 507.62 TagRS{ kinds = RS_Key0_Tag1 bytes = 0 } TagArray{ size = 89456 bytes = 290752 } seq expand size = 626192 multi value expand size = 0 cnt WriteAppend = 13 UnZipSize{ index = 0.0014 GB value = 0.0586 GB dict = 0.60 MB all = 0.0607 GB } __ZipSize{ index = 0.0002 GB value = 0.0454 GB dict = 0.60 MB all = 0.0465 GB } UnZip/Zip{ index = 8.4234 value = 1.2903 dict = 1.00 all = 1.3070 } Zip/UnZip{ index = 0.1187 value = 0.7750 dict = 1.00 all = 0.7651 } ---------------------------- total value len = 0.190077 GB avg = 0.662 KB (by entry num) total key len = 0.006892 GB avg = 0.024 KB total ukey len = 0.004595 GB avg = 0.016 KB total ukey num = 0.000287165 Billion total entry num = 0.000287165 Billion write speed all = 0.019698810 MB/sec (with seq num) write speed all = 0.019469056 MB/sec (without seq num) 2024/08/20-22:57:39.202749 139857034335808 [compaction_job.cc:1944] [default] [JOB 54053] Generated table #14691519: 89456 keys, 46473988 bytes, temperature: kWarm 2024/08/20-22:57:39.202837 139857034335808 EVENT_LOG_v1 {"time_micros": 1724165859202790, "cf_name": "default", "job": 54053, "event": "table_file_creation", "file_number": 14691519, "file_size": 46473988, "file_checksum": "", "file_checksum_func_name": "Unknown", "smallest_seqno": 191087664790, "largest_seqno": 191152443594, "table_properties": {"data_size": 45410096, "index_size": 169920, "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": 2146944, "raw_average_key_size": 24, "raw_value_size": 58594124, "raw_average_value_size": 655, "num_data_blocks": 1, "num_entries": 89456, "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": 1724165857, "oldest_key_time": 0, "file_creation_time": 1724165857, "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": 14691519, "seqno_to_time_mapping": "N/A", "__indexstats__": "[...1 records...]"}} 2024/08/20-22:57:39.228980 139857034335808 [compaction_job.cc:699] job-54053: subcompact[0], size: 0.148670 G, files: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-54053/att-00 [14691518,14691519] 2024/08/20-22:57:39.288221 139857034335808 (Original Log Time 2024/08/20-22:57:29.411085) EVENT_LOG_v1 {"time_micros": 1724165849411036, "job": 54053, "event": "compaction_started", "compaction_reason": "FilesMarkedForCompaction", "files_L2": [14691481], "files_L3": [14691405, 14691406], "score": 0.991228, "input_data_size": 167265751, "oldest_snapshot_seqno": 191152741324} 2024/08/20-22:57:39.288226 139857034335808 (Original Log Time 2024/08/20-22:57:39.287638) [compaction_job.cc:2018] [default] [JOB 54053] Compacted 1@2 + 2@3 files to L3 => 148670401 bytes 2024/08/20-22:57:39.288229 139857034335808 (Original Log Time 2024/08/20-22:57:39.288131) [compaction_job.cc:1220] [default] compacted to: files[0 0 0 2 0 0 0] max score 0.01, MB/sec: 17.0 rd, 15.1 wr, level 3, files in(1, 2) out(2 +0 blob) MB in(19.7, 139.9 +0.0 blob) out(141.8 +0.0 blob), read-write-amplify(15.3) write-amplify(7.2) OK, records in: 313301, records dropped: 26136 output_compression: Snappy 2024/08/20-22:57:39.288240 139857034335808 (Original Log Time 2024/08/20-22:57:39.288192) EVENT_LOG_v1 {"time_micros": 1724165859288166, "cf": "default", "job": 54053, "event": "compaction_finished", "compaction_time_micros": 9817910, "compaction_time_cpu_micros": 1212460, "output_level": 3, "num_output_files": 2, "total_output_size": 148670401, "num_input_records": 313301, "num_output_records": 287165, "num_subcompactions": 1, "output_compression": "Snappy", "num_single_delete_mismatches": 0, "num_single_delete_fallthrough": 0, "file_write_nanos": 199306177, "file_range_sync_nanos": 0, "file_fsync_nanos": 2000, "file_prepare_write_nanos": 6499, "lsm_state": [0, 0, 0, 2, 0, 0, 0]} 2024/08/20-22:57:39.443143 139857034335808 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":1724165849,"executesMs":9974,"compactionJobId":54053,"attempt":0,"compactionInputRawBytes":212702414,"compactionInputZipBytes":167265751,"compactionOutputRawBytes":0,"compactionOutputZipBytes":148670401,"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-a36b1be9c57ed1a622c8dd520a7acec9-48532e852a9ad4f6-00"}}, response = 2024/08/20-22:57:39.443258 139857034335808 INFO dcompact_worker.cpp:1456: finish /worker/dcompact-log/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/2024-08-20T02.42.00/.rocksdb/job-54053/att-00: olev 3, work 9.975 s, result 16.598 ms, install 0.648 ms, input{raw 202.849 MiB zip 159.517 MiB}