THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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| 编码方式 | GORILLA | PLAIN | RLE | TS_2DIFF |
| dataset | synthetic | synthetic | synthetic | synthetic |
| pagePointNum(ppn) | 10000 | 10000 | 10000 | 10000 |
| numOfPagesInChunk(pic) | 1000 | 1000 | 1000 | 1000 |
| chunksWritten(cw) | 10 | 10 | 10 | 10 |
| timeEncoding(te) | TS_2DIFF | TS_2DIFF | TS_2DIFF | TS_2DIFF |
| valueDataType(vt) | INT64 | INT64 | INT64 | INT64 |
| valueEncoding(ve) | GORILLA | PLAIN | RLE | TS_2DIFF |
| compression(co) | UNCOMPRESSED | UNCOMPRESSED | UNCOMPRESSED | UNCOMPRESSED |
| totalPointNum | 100000000 | 100000000 | 100000000 | 100000000 |
| tsfileSize(MB) | 805.3812895 | 781.4226151 | 781.8422318 | 793.3244705 |
| chunkDataSize_stats_mean(MB) | 80.53803624 | 78.14216614 | 78.18412781 | 79.33235168 |
| compressedPageSize_stats_mean(B) | 84386.25189 | 81874 | 81918 | 83122 |
| uncompressedPageSize_stats_mean(B) | 84386.25189 | 81874 | 81918 | 83122 |
| timeBufferSize_stats_mean(B) | 1872 | 1872 | 1872 | 1872 |
| valueBufferSize_stats_mean(B) | 82512.25189 | 80000 | 80044 | 81248 |
| [2] category: (A)get ChunkStatistic->(B)load on-disk Chunk->(C)get PageStatistics->(D)load in-memory PageData | ||||
| [Avg&Per] (A)get_chunkMetadatas | 91331.98490000001 us - 0.8580518676474486% | 100944.7581 us - 1.2939556377951902% | 88098.20449999999 us - 0.9671805828234409% | 88231.2157 us - 0.9257222461823116% |
| [Avg&Per] (B)load_on_disk_chunk | 5552645.935400001 us - 52.16637107440095% | 5170158.3812 us - 66.27343223726832% | 5270914.364100001 us - 57.866400973957255% | 5526099.6186 us - 57.97985793317826% |
| [Avg&Per] (C)get_pageHeader | 8185.805399999992 us - 0.07690455451459878% | 7712.402700000001 us - 0.09886107156476356% | 7813.90999999998 us - 0.08578451820695045% | 7725.986500000003 us - 0.08106107934716146% |
| [Avg&Per] (D_1)decompress_pageData | 548160.3352000009 us - 5.149893543905802% | 525441.0348000005 us - 6.7353412114264035% | 585036.2351000007 us - 6.422783415941812% | 632154.6457000006 us - 6.632568914631739% |
| [Avg&Per] (D_2)decode_pageData | 4443785.968300003 us - 41.748778959531215% | 1996996.816400002 us - 25.598409841945312% | 3156902.088299994 us - 34.65785050907054% | 3276856.417400001 us - 34.38078982666053% |
| [3] D_1 compare each step inside | ||||
| [Avg&Per] (D-1)7_1_data_ByteBuffer_to_ByteArray(us) | 110421.72189999989 us - 64.93156378407389% | 109687.91739999971 us - 63.92643734398307% | 113658.35759999987 us - 62.901942587101885% | 109187.47799999996 us - 63.08420663361515% |
| [Avg&Per] (D-1)7_2_data_decompress_PageDataByteArray(us) | 54624.26410000002 us - 32.12084386602246% | 57095.555900000094 us - 33.27545607007074% | 62164.880499999985 us - 34.403908579311135% | 59072.25890000005 us - 34.12961499817788% |
| [Avg&Per] (D-1)7_3_data_ByteArray_to_ByteBuffer(us) | 1179.3427000000347 us - 0.6934918640164246% | 1234.10400000004 us - 0.7192394012210651% | 1032.115900000022 us - 0.5712038820191121% | 1193.2719000000652 us - 0.6894253122110825% |
| [Avg&Per] (D-1)7_4_data_split_time_value_Buffer(us) | 3833.2921999999994 us - 2.254100485887217% | 3567.0158000000133 us - 2.0788671847251163% | 3835.9775000000177 us - 2.122944951567873% | 3629.1045000000054 us - 2.0967530559958814% |
| [3] D_2 compare each step inside | ||||
| [Avg&Per] (D-2)8_1_createBatchData(us) | 6008.9294 us - 0.04720551599260821% | 6005.094 us - 0.058953749593284185% | 9136.1988 us - 0.07959246314858166% | 6219.250599999999 us - 0.053213386787106826% |
| [[Avg&Per] (D-2)8_2_timeDecoder_hasNext(us) | 1795067.4479 us - 14.10186066084482% | 1862631.8749 us - 18.285997377780266% | 1805100.2815999999 us - 15.725618584694368% | 1838661.8702 us - 15.732028111177547% |
| [Avg&Per] (D-2)8_3_timeDecoder_readLong(us) | 2073615.2138 us - 16.290102549307967% | 2089493.8765 us - 20.513167449482335% | 2063469.3846 us - 17.976470800088325% | 2172029.5514 us - 18.58440125112089% |
| [Avg&Per] (D-2)8_4_valueDecoder_read(us) | 4636195.4124 us - 36.42146247963989% | 1880348.902 us - 18.459930571697104% | 3352494.9242 us - 29.206164899804453% | 3364558.2458 us - 28.787960289219587% |
| [Avg&Per] (D-2)8_5_checkValueSatisfyOrNot(us) | 1724239.435 us - 13.545443257159627% | 1784205.2864 us - 17.516060810611705% | 1723128.802 us - 15.01150190311584% | 1780807.3196 us - 15.237010821076382% |
| [Avg&Per] (D-2)8_6_putIntoBatchData(us) | 2494168.5891 us - 19.59392553705509% | 2563425.3348 us - 25.165890040835308% | 2525393.9444 us - 22.000651349148434% | 2525103.5280999998 us - 21.605386140618513% |
- 总的来说，使用的人工数据集不太好，其随机生成的取值，编码压缩效率不高总的来说，使用的人工数据集不太好，其随机生成的取值，编码压缩效率都不高
RLValueEncodingRealExpScripts.sh
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