2024/08/20-11:21:47.050778 140500372350528 DEBG dcompact_worker.cpp:2211: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00: fork to child time = 0.051623 sec 2024/08/20-11:21:47.052163 140500372350528 DEBG dcompact_worker.cpp:1011: Beg SerDeRead: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00 2024/08/20-11:21:47.057463 140500372350528 DEBG dcompact_worker.cpp:1031: End SerDeRead: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00 2024/08/20-11:21:47.059407 140500372350528 TRAC dcompact_worker.cpp:1081: INFO_LOG_LEVEL: rpc = INFO_LEVEL, env_var = undefined 2024/08/20-11:21:47.059740 140500372350528 [WARN] [column_family.cc:386] multiple cf_paths/db_paths and level_compaction_dynamic_level_bytes can't be used together 2024/08/20-11:21:47.109079 140500372350528 [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-26457/att-00/MANIFEST-14629260 2024/08/20-11:21:47.140862 140500372350528 [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-26457/att-00/MANIFEST-14629260 succeeded,manifest_file_number is 14629260, next_file_number is 14659649, last_sequence is 190458640393, log_number is 0,prev_log_number is 0,max_column_family is 0,min_log_number_to_keep is 14659491 2024/08/20-11:21:47.140871 140500372350528 [version_set.cc:6197] Column family [default] (ID 0), log number is 0 2024/08/20-11:21:47.140958 140500372350528 [version_set.cc:5652] Creating manifest 14659649 2024/08/20-11:21:47.169786 140500372350528 DEBG dcompact_worker.cpp:1215: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00: bottommost_level: fake = 1, rpc = 0 2024/08/20-11:21:47.184769 140500372350528 [compaction_job.cc:2433] [default] [JOB 26457] Compacting 1@2 + 2@3 files to L3, score 0.97, subcompactions 1 : 1 2024/08/20-11:21:47.184786 140500372350528 [compaction_job.cc:2441] [default]: Compaction start summary: Base version 13568 Base level 2, inputs: [14659621(20MB)], [14659574(97MB) 14659575(25MB)] 2024/08/20-11:21:47.416164 140500372350528 [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 2024/08/20-11:21:47.416195 140500372350528 [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 2024/08/20-11:21:47.416223 140500372350528 [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 2024/08/20-11:21:47.416240 140500372350528 [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 2024/08/20-11:21:47.416254 140500372350528 [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 2024/08/20-11:21:48.158218 140500372350528 [top_zip_table_builder.cc:934] ToplingZipTableBuilder(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00/14659650.sst) /dev/shm/ToplingTemp/Topling-323903-N27LJb 2024/08/20-11:21:48.697900 140500372350528 [top_zip_table_builder.cc:1344] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00/14659650.sst): first pass time = 0.54's, 248.726'MB/sec 2024/08/20-11:21:51.864998 140500372350528 [top_zip_table_builder.cc:2764] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00/14659650.sst): old prealloc_size = 147639500, real_size = 100141504 2024/08/20-11:21:51.865216 140500372350528 [top_zip_table_builder.cc:1765] BuildReorderMap(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00/14659650.sst): index type = NestLoudsTrieDAWG_Mixed_XL_256_32_FL, store type = DictZipBlobStore usrkeys = 197718 prefix = 4 raw-key = 0.0024 GB zip-key = 0.0004 GB avg-key = 12.00 avg-zkey = 1.95 raw-val = 0.1295 GB zip-val = 0.0997 GB avg-val = 654.84 avg-zval = 504.29 2024/08/20-11:21:51.865494 140500372350528 [top_zip_table_builder.cc:1295] /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00/14659650.sst: sumWaitingMem = 0.000 GB, sumWorkingMem = 0.020 GB, reorder workingMem = 0.0004 GB, waited 0.000 sec, Key+Value = 0.134 GB 2024/08/20-11:21:52.194600 140500372350528 [top_zip_table_builder.cc:3092] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00/14659650.sst): second pass time = 3.17's, 40.894'MB/sec, value only(96.5% of KV) wait indexing time = 0.00's, remap KeyValue time = 0.33's, 310.015'MB/sec (all stages of remap) Get OrderMap time = 0.00's, 2002.161'MB/sec (index lex order gen) rebuild zvType time = 0.25's, 0.201'MB/sec write SST data time = 0.08's, 1224.955'MB/sec dict compress time = 4356233619.02's, 0.000'MB/sec z-dict build time = 0.00's, sample length = 1.353'MB, throughput = 32449.787'MB/sec zip my value time = 3.17's, unzip length = 0.129'GB zip my value throughput = 40.894'MB/sec zip pipeline throughput = 103.499'MB/sec entries = 197718 avg-key = 24.00 avg-zkey = 1.95 avg-val = 654.84 avg-zval = 504.29 usrkeys = 197718 avg-key = 16.00 avg-zkey = 1.95 avg-val = 661.84 avg-zval = 504.29 TagRS{ kinds = RS_Key0_Tag1 bytes = 0 } TagArray{ size = 197718 bytes = 741456 } seq expand size = 1384026 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 = 8.2068 value = 1.2985 dict = 1.00 all = 1.3134 } Zip/UnZip{ index = 0.1219 value = 0.7701 dict = 1.00 all = 0.7614 } ---------------------------- 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 = 0.389531279 Billion total entry num = 0.346409287 Billion write speed all = 1.080381426 MB/sec (with seq num) write speed all = 1.037128243 MB/sec (without seq num) 2024/08/20-11:21:52.368507 140500372350528 [compaction_job.cc:1944] [default] [JOB 26457] Generated table #14659650: 197718 keys, 102189517 bytes, temperature: kWarm 2024/08/20-11:21:52.368573 140500372350528 EVENT_LOG_v1 {"time_micros": 1724124112368532, "cf_name": "default", "job": 26457, "event": "table_file_creation", "file_number": 14659650, "file_size": 102189517, "file_checksum": "", "file_checksum_func_name": "Unknown", "smallest_seqno": 189648517461, "largest_seqno": 190458517504, "table_properties": {"data_size": 99706416, "index_size": 385472, "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": 4745232, "raw_average_key_size": 24, "raw_value_size": 129473123, "raw_average_value_size": 654, "num_data_blocks": 1, "num_entries": 197718, "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": 1724124108, "oldest_key_time": 0, "file_creation_time": 1724124108, "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": 14659650, "seqno_to_time_mapping": "N/A", "__indexstats__": "[...1 records...]"}} 2024/08/20-11:21:52.425831 140500372350528 [top_zip_table_builder.cc:934] ToplingZipTableBuilder(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00/14659651.sst) /dev/shm/ToplingTemp/Topling-323903-ifdP5f 2024/08/20-11:21:52.680252 140500372350528 [top_zip_table_builder.cc:1344] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00/14659651.sst): first pass time = 0.25's, 146.684'MB/sec 2024/08/20-11:21:53.247189 140500372350528 [top_zip_table_builder.cc:2764] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00/14659651.sst): old prealloc_size = 147639500, real_size = 28161856 2024/08/20-11:21:53.247287 140500372350528 [top_zip_table_builder.cc:1765] BuildReorderMap(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00/14659651.sst): index type = NestLoudsTrieDAWG_Mixed_XL_256_32_FL, store type = DictZipBlobStore usrkeys = 54934 prefix = 4 raw-key = 0.0007 GB zip-key = 0.0001 GB avg-key = 12.00 avg-zkey = 1.93 raw-val = 0.0360 GB zip-val = 0.0280 GB avg-val = 655.25 avg-zval = 510.47 2024/08/20-11:21:53.247365 140500372350528 [top_zip_table_builder.cc:1295] /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00/14659651.sst: sumWaitingMem = 0.000 GB, sumWorkingMem = 0.020 GB, reorder workingMem = 0.0001 GB, waited 0.000 sec, Key+Value = 0.037 GB 2024/08/20-11:21:53.334445 140500372350528 [top_zip_table_builder.cc:3092] ToplingZipTableBuilder::Finish(/storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00/14659651.sst): second pass time = 0.57's, 63.574'MB/sec, value only(96.5% of KV) wait indexing time = 0.00's, remap KeyValue time = 0.09's, 328.961'MB/sec (all stages of remap) Get OrderMap time = 0.00's, 1487.662'MB/sec (index lex order gen) rebuild zvType time = 0.06's, 0.226'MB/sec write SST data time = 0.03's, 1087.960'MB/sec dict compress time = 4356233619.02's, 0.000'MB/sec z-dict build time = 0.00's, sample length = 0.363'MB, throughput = 7288.921'MB/sec zip my value time = 0.57's, unzip length = 0.036'GB zip my value throughput = 63.574'MB/sec zip pipeline throughput = 63.574'MB/sec entries = 54934 avg-key = 24.00 avg-zkey = 1.93 avg-val = 655.25 avg-zval = 510.47 usrkeys = 54934 avg-key = 16.00 avg-zkey = 1.93 avg-val = 662.25 avg-zval = 510.47 TagRS{ kinds = RS_Key0_Tag1 bytes = 0 } TagArray{ size = 54934 bytes = 178544 } seq expand size = 384538 multi value expand size = 0 cnt WriteAppend = 13 UnZipSize{ index = 0.0009 GB value = 0.0360 GB dict = 0.36 MB all = 0.0373 GB } __ZipSize{ index = 0.0001 GB value = 0.0280 GB dict = 0.36 MB all = 0.0287 GB } UnZip/Zip{ index = 8.2882 value = 1.2836 dict = 1.00 all = 1.3005 } Zip/UnZip{ index = 0.1207 value = 0.7790 dict = 1.00 all = 0.7689 } ---------------------------- total value len = 62.463987 GB avg = 0.180 KB (by entry num) total key len = 6.794821 GB avg = 0.020 KB total ukey len = 3.193550 GB avg = 0.008 KB total ukey num = 0.389586213 Billion total entry num = 0.346464221 Billion write speed all = 1.080950586 MB/sec (with seq num) write speed all = 1.037691314 MB/sec (without seq num) 2024/08/20-11:21:53.372816 140500372350528 [compaction_job.cc:1944] [default] [JOB 26457] Generated table #14659651: 54934 keys, 28691636 bytes, temperature: kWarm 2024/08/20-11:21:53.372898 140500372350528 EVENT_LOG_v1 {"time_micros": 1724124113372852, "cf_name": "default", "job": 26457, "event": "table_file_creation", "file_number": 14659651, "file_size": 28691636, "file_checksum": "", "file_checksum_func_name": "Unknown", "smallest_seqno": 190397579407, "largest_seqno": 190458517462, "table_properties": {"data_size": 28041904, "index_size": 106048, "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": 1318416, "raw_average_key_size": 24, "raw_value_size": 35995778, "raw_average_value_size": 655, "num_data_blocks": 1, "num_entries": 54934, "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": 1724124112, "oldest_key_time": 0, "file_creation_time": 1724124112, "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": 14659651, "seqno_to_time_mapping": "N/A", "__indexstats__": "[...1 records...]"}} 2024/08/20-11:21:53.394372 140500372350528 [compaction_job.cc:699] job-26457: subcompact[0], size: 0.130881 G, files: /storage/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/mytopling/.rocksdb/job-26457/att-00 [14659650,14659651] 2024/08/20-11:21:53.422062 140500372350528 (Original Log Time 2024/08/20-11:21:47.184860) EVENT_LOG_v1 {"time_micros": 1724124107184801, "job": 26457, "event": "compaction_started", "compaction_reason": "FilesMarkedForCompaction", "files_L2": [14659621], "files_L3": [14659574, 14659575], "score": 0.96884, "input_data_size": 150001534, "oldest_snapshot_seqno": 190458639947} 2024/08/20-11:21:53.422066 140500372350528 (Original Log Time 2024/08/20-11:21:53.421601) [compaction_job.cc:2018] [default] [JOB 26457] Compacted 1@2 + 2@3 files to L3 => 130881153 bytes 2024/08/20-11:21:53.422068 140500372350528 (Original Log Time 2024/08/20-11:21:53.421988) [compaction_job.cc:1220] [default] compacted to: files[0 0 0 2 0 0 0] max score 0.00, MB/sec: 24.2 rd, 21.1 wr, level 3, files in(1, 2) out(2 +0 blob) MB in(20.4, 122.7 +0.0 blob) out(124.8 +0.0 blob), read-write-amplify(13.1) write-amplify(6.1) OK, records in: 279405, records dropped: 26753 output_compression: Snappy 2024/08/20-11:21:53.422075 140500372350528 (Original Log Time 2024/08/20-11:21:53.422040) EVENT_LOG_v1 {"time_micros": 1724124113422014, "cf": "default", "job": 26457, "event": "compaction_finished", "compaction_time_micros": 6209532, "compaction_time_cpu_micros": 1000723, "output_level": 3, "num_output_files": 2, "total_output_size": 130881153, "num_input_records": 279405, "num_output_records": 252652, "num_subcompactions": 1, "output_compression": "Snappy", "num_single_delete_mismatches": 0, "num_single_delete_fallthrough": 0, "file_write_nanos": 82361721, "file_range_sync_nanos": 0, "file_fsync_nanos": 1259, "file_prepare_write_nanos": 5471, "lsm_state": [0, 0, 0, 2, 0, 0, 0]} 2024/08/20-11:21:53.563174 140500372350528 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":1724124106,"executesMs":6363,"compactionJobId":26457,"attempt":0,"compactionInputRawBytes":189693441,"compactionInputZipBytes":150001534,"compactionOutputRawBytes":0,"compactionOutputZipBytes":130881153,"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":"00-7d5db8dfdd4db1ea662b386e46d8575b-72e83156b84635e1-00"}}, response = 2024/08/20-11:21:53.563256 140500372350528 INFO dcompact_worker.cpp:1456: finish /worker/dcompact-log/nfs/i-wz9deglxdazgiryp6ltb_10.57.5.137/2024-08-20T02.42.00/.rocksdb/job-26457/att-00: olev 3, work 6.364 s, result 6.901 ms, install 0.498 ms, input{raw 180.906 MiB zip 143.053 MiB}