(window.webpackJsonp=window.webpackJsonp||[]).push([[926],{1489:function(t,e,a){"use strict";a.r(e);var s=a(69),n=Object(s.a)({},(function(){var t=this,e=t.$createElement,a=t._self._c||e;return a("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[a("h1",{attrs:{id:"tsfile-文件格式"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#tsfile-文件格式"}},[t._v("#")]),t._v(" TsFile 文件格式")]),t._v(" "),a("h2",{attrs:{id:"_1-tsfile-设计"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_1-tsfile-设计"}},[t._v("#")]),t._v(" 1. 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line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[t._v("enum StatisticType {\n    min_value, max_value, first_value, last_value, sum_value\n}\n")])]),t._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[t._v("1")]),a("br"),a("span",{staticClass:"line-number"},[t._v("2")]),a("br"),a("span",{staticClass:"line-number"},[t._v("3")]),a("br")])]),a("p",[t._v("修改存储形式后,在上面的示例中,我们将得到")]),t._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[t._v('ByteBuffer[] statistics = [\n    ByteBuffer of int value 0, // associated with "min_value"\n    ByteBuffer of int value 99, // associated with "max_value"\n    ByteBuffer of int value 0, // associated with "first_value"\n    ByteBuffer of int value 19, // associated with "last_value"\n    ByteBuffer of double value 1093347116 // associated with "sum_value"\n]\n')])]),t._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[t._v("1")]),a("br"),a("span",{staticClass:"line-number"},[t._v("2")]),a("br"),a("span",{staticClass:"line-number"},[t._v("3")]),a("br"),a("span",{staticClass:"line-number"},[t._v("4")]),a("br"),a("span",{staticClass:"line-number"},[t._v("5")]),a("br"),a("span",{staticClass:"line-number"},[t._v("6")]),a("br"),a("span",{staticClass:"line-number"},[t._v("7")]),a("br")])]),a("p",[t._v("另一个关于 v0.9.0 的示例数据, 当我们从 buffer [3, 0,4,0, 1,4,99, 3,4,19] 反序列化为 TsDigest 结构时, 我们将得到")]),t._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[t._v('//这里可能会有些难理解，读取顺序为：1.读取一个int类型的数据总数(3) 2.读取short类型的位于数组中的位置(0) 3.读取int类型的数据长度(4) 4.根据第3步的长度读取数据(0)\n//因为示例数据中，索引值只出现了(0,1,3),所以 first_value sum_value 的值为null\n\nByteBuffer[] statistics = [\n    ByteBuffer of int value 0, // associated with "min_value"\n    ByteBuffer of int value 99, // associated with "max_value"\n    null, // associated with "first_value"\n    ByteBuffer of int value 19, // associated with "last_value"\n    null // associated with "sum_value"\n]\n')])]),t._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[t._v("1")]),a("br"),a("span",{staticClass:"line-number"},[t._v("2")]),a("br"),a("span",{staticClass:"line-number"},[t._v("3")]),a("br"),a("span",{staticClass:"line-number"},[t._v("4")]),a("br"),a("span",{staticClass:"line-number"},[t._v("5")]),a("br"),a("span",{staticClass:"line-number"},[t._v("6")]),a("br"),a("span",{staticClass:"line-number"},[t._v("7")]),a("br"),a("span",{staticClass:"line-number"},[t._v("8")]),a("br"),a("span",{staticClass:"line-number"},[t._v("9")]),a("br"),a("span",{staticClass:"line-number"},[t._v("10")]),a("br")])]),a("h5",{attrs:{id:"_1-2-3-2-tsfilemetadata"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_1-2-3-2-tsfilemetadata"}},[t._v("#")]),t._v(" 1.2.3.2 TsFileMetaData")]),t._v(" "),a("p",[t._v("上节讲到的是 "),a("code",[t._v("TsDeviceMetadatas")]),t._v(" 紧跟其后的数据是 "),a("code",[t._v("TsFileMetaData")]),t._v("。")]),t._v(" "),a("table",[a("thead",[a("tr",[a("th",{staticStyle:{"text-align":"center"}},[t._v("成员")]),t._v(" "),a("th",{staticStyle:{"text-align":"center"}},[t._v("类型")])])]),t._v(" "),a("tbody",[a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("包含的设备个数")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("int")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("设备名称和设备元数据索引的键值对(deviceIndexMap)")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("String, TsDeviceMetadataIndex pair")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("包含的传感器个数")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("int")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("传感器名称和传感器元数据的键值对(measurementSchema)")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("String, MeasurementSchema pair")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("水印标识")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("byte")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("当标识为0x01时的水印信息(createdBy)")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("String")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("包含的Chunk总数(totalChunkNum)")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("int")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("失效的Chunk总数(invalidChunkNum)")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("int")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("布隆过滤器序列化大小")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("int")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("布隆过滤器所有数据")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("byte[Bloom filter size]")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("布隆过滤器容量")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("int")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("布隆过滤器容量包含的HashFunction数量")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("int")])])])]),t._v(" "),a("h6",{attrs:{id:"tsdevicemetadataindex"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#tsdevicemetadataindex"}},[t._v("#")]),t._v(" TsDeviceMetadataIndex")]),t._v(" "),a("table",[a("thead",[a("tr",[a("th",{staticStyle:{"text-align":"center"}},[t._v("成员")]),t._v(" "),a("th",{staticStyle:{"text-align":"center"}},[t._v("类型")])])]),t._v(" "),a("tbody",[a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("设备名")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("String")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("文件中TsDeviceMetaData的偏移量(offset)")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("long")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("序列化后数据大小(len)")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("int")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("存储的设备最小时间(startTime)")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("long")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("存储的设备最大时间(endTime)")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("long")])])])]),t._v(" "),a("h6",{attrs:{id:"measurementschema"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#measurementschema"}},[t._v("#")]),t._v(" MeasurementSchema")]),t._v(" "),a("table",[a("thead",[a("tr",[a("th",{staticStyle:{"text-align":"center"}},[t._v("成员")]),t._v(" "),a("th",{staticStyle:{"text-align":"center"}},[t._v("类型")])])]),t._v(" "),a("tbody",[a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("传感器名称(measurementId)")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("String")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("数据类型(type)")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("short")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("编码方式(encoding)")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("short")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("压缩方式(compressor)")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("short")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("附带参数的数量")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("int")])]),t._v(" "),a("tr",[a("td",{staticStyle:{"text-align":"center"}},[t._v("所有附带的参数(props)")]),t._v(" "),a("td",{staticStyle:{"text-align":"center"}},[t._v("String, String pair")])])])]),t._v(" "),a("p",[t._v("如果附带的参数数量大于 0, 传感器的附带参数会以一个数组形式的 <String, String> 键值对存储。")]),t._v(" "),a("p",[t._v('比如说: "max_point_number""2".')]),t._v(" "),a("h5",{attrs:{id:"_1-2-3-3-tsfilemetadatasize"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_1-2-3-3-tsfilemetadatasize"}},[t._v("#")]),t._v(" 1.2.3.3 TsFileMetadataSize")]),t._v(" "),a("p",[t._v("在TsFileMetaData之后，有一个int值用来表示TsFileMetaData的大小。")]),t._v(" "),a("h4",{attrs:{id:"_1-2-4-magic-string"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_1-2-4-magic-string"}},[t._v("#")]),t._v(" 1.2.4 Magic String")]),t._v(" "),a("p",[t._v("TsFile 是以6个字节的magic string ("),a("code",[t._v("TsFile")]),t._v(") 作为结束.")]),t._v(" "),a("p",[t._v("恭喜您, 至此您已经完成了 TsFile 的探秘之旅，祝您玩儿的开心!")]),t._v(" "),a("h3",{attrs:{id:"_1-3-tsfile工具集"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_1-3-tsfile工具集"}},[t._v("#")]),t._v(" 1.3 TsFile工具集")]),t._v(" "),a("h4",{attrs:{id:"_1-3-1-iotdb-data-directory-快速概览工具"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_1-3-1-iotdb-data-directory-快速概览工具"}},[t._v("#")]),t._v(" 1.3.1 IoTDB Data Directory 快速概览工具")]),t._v(" "),a("p",[t._v("该工具的启动脚本会在编译 server 之后生成至 "),a("code",[t._v("server\\target\\iotdb-server-0.10.0\\tools\\tsfileToolSet")]),t._v(" 目录中。")]),t._v(" "),a("p",[t._v("使用方式:")]),t._v(" "),a("p",[t._v("For Windows:")]),t._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[t._v(".\\print-iotdb-data-dir.bat <IoTDB数据文件夹路径，如果是多个文件夹用逗号分隔> (<输出结果的存储路径>) \n")])]),t._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[t._v("1")]),a("br")])]),a("p",[t._v("For Linux or MacOs:")]),t._v(" "),a("div",{staticClass:"language- 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configuration\n|==============================================================\n|D:\\\\data\\data\n|--sequence\n|  |--root.ln.wf01.wt01\n|  |  |--1575813520203-101-0.tsfile\n|  |  |--1575813520203-101-0.tsfile.resource\n|  |  |  |--device root.ln.wf01.wt01, start time 1 (1970-01-01T08:00:00.001+08:00[GMT+08:00]), end time 5 (1970-01-01T08:00:00.005+08:00[GMT+08:00])\n|  |  |--1575813520669-103-0.tsfile\n|  |  |--1575813520669-103-0.tsfile.resource\n|  |  |  |--device root.ln.wf01.wt01, start time 100 (1970-01-01T08:00:00.100+08:00[GMT+08:00]), end time 300 (1970-01-01T08:00:00.300+08:00[GMT+08:00])\n|  |  |--1575813521372-107-0.tsfile\n|  |  |--1575813521372-107-0.tsfile.resource\n|  |  |  |--device root.ln.wf01.wt01, start time 500 (1970-01-01T08:00:00.500+08:00[GMT+08:00]), end time 540 (1970-01-01T08:00:00.540+08:00[GMT+08:00])\n|--unsequence\n|  |--root.ln.wf01.wt01\n|  |  |--1575813521063-105-0.tsfile\n|  |  |--1575813521063-105-0.tsfile.resource\n|  |  |  |--device root.ln.wf01.wt01, start time 10 (1970-01-01T08:00:00.010+08:00[GMT+08:00]), end time 50 (1970-01-01T08:00:00.050+08:00[GMT+08:00])\n|==============================================================\n")])]),t._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[t._v("1")]),a("br"),a("span",{staticClass:"line-number"},[t._v("2")]),a("br"),a("span",{staticClass:"line-number"},[t._v("3")]),a("br"),a("span",{staticClass:"line-number"},[t._v("4")]),a("br"),a("span",{staticClass:"line-number"},[t._v("5")]),a("br"),a("span",{staticClass:"line-number"},[t._v("6")]),a("br"),a("span",{staticClass:"line-number"},[t._v("7")]),a("br"),a("span",{staticClass:"line-number"},[t._v("8")]),a("br"),a("span",{staticClass:"line-number"},[t._v("9")]),a("br"),a("span",{staticClass:"line-number"},[t._v("10")]),a("br"),a("span",{staticClass:"line-number"},[t._v("11")]),a("br"),a("span",{staticClass:"line-number"},[t._v("12")]),a("br"),a("span",{staticClass:"line-number"},[t._v("13")]),a("br"),a("span",{staticClass:"line-number"},[t._v("14")]),a("br"),a("span",{staticClass:"line-number"},[t._v("15")]),a("br"),a("span",{staticClass:"line-number"},[t._v("16")]),a("br"),a("span",{staticClass:"line-number"},[t._v("17")]),a("br"),a("span",{staticClass:"line-number"},[t._v("18")]),a("br"),a("span",{staticClass:"line-number"},[t._v("19")]),a("br"),a("span",{staticClass:"line-number"},[t._v("20")]),a("br"),a("span",{staticClass:"line-number"},[t._v("21")]),a("br"),a("span",{staticClass:"line-number"},[t._v("22")]),a("br"),a("span",{staticClass:"line-number"},[t._v("23")]),a("br"),a("span",{staticClass:"line-number"},[t._v("24")]),a("br"),a("span",{staticClass:"line-number"},[t._v("25")]),a("br"),a("span",{staticClass:"line-number"},[t._v("26")]),a("br")])]),a("h4",{attrs:{id:"_1-3-2-tsfileresource-打印工具"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_1-3-2-tsfileresource-打印工具"}},[t._v("#")]),t._v(" 1.3.2 TsFileResource 打印工具")]),t._v(" "),a("p",[t._v("该工具的启动脚本会在编译 server 之后生成至 "),a("code",[t._v("server\\target\\iotdb-server-0.10.0\\tools\\tsfileToolSet")]),t._v(" 目录中。")]),t._v(" "),a("p",[t._v("使用方式:")]),t._v(" "),a("p",[t._v("Windows:")]),t._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[t._v(".\\print-tsfile-sketch.bat <TsFileResource文件夹路径>\n")])]),t._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[t._v("1")]),a("br")])]),a("p",[t._v("Linux or MacOs:")]),t._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[t._v("./print-tsfile-sketch.sh <TsFileResource文件夹路径>\n")])]),t._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[t._v("1")]),a("br")])]),a("p",[t._v("在Windows系统中的示例:")]),t._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[t._v("D:\\incubator-iotdb\\server\\target\\iotdb-server-0.10.0\\tools\\tsfileToolSet>.\\print-tsfile-resource-files.bat D:\\data\\data\\sequence\\root.vehicle\n​````````````````````````\nStarting Printing the TsFileResources\n​````````````````````````\n12:31:59.861 [main] WARN org.apache.iotdb.db.conf.IoTDBDescriptor - Cannot find IOTDB_HOME or IOTDB_CONF environment variable when loading config file iotdb-engine.properties, use default configuration\nanalyzing D:\\data\\data\\sequence\\root.vehicle\\1572496142067-101-0.tsfile ...\ndevice root.vehicle.d0, start time 3000 (1970-01-01T08:00:03+08:00[GMT+08:00]), end time 100999 (1970-01-01T08:01:40.999+08:00[GMT+08:00])\nanalyzing the resource file finished.\n")])]),t._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[t._v("1")]),a("br"),a("span",{staticClass:"line-number"},[t._v("2")]),a("br"),a("span",{staticClass:"line-number"},[t._v("3")]),a("br"),a("span",{staticClass:"line-number"},[t._v("4")]),a("br"),a("span",{staticClass:"line-number"},[t._v("5")]),a("br"),a("span",{staticClass:"line-number"},[t._v("6")]),a("br"),a("span",{staticClass:"line-number"},[t._v("7")]),a("br"),a("span",{staticClass:"line-number"},[t._v("8")]),a("br")])]),a("h4",{attrs:{id:"_1-3-3-tsfile-描述工具"}},[a("a",{staticClass:"header-anchor",attrs:{href:"#_1-3-3-tsfile-描述工具"}},[t._v("#")]),t._v(" 1.3.3 TsFile 描述工具")]),t._v(" "),a("p",[t._v("该工具的启动脚本会在编译 server 之后生成至 "),a("code",[t._v("server\\target\\iotdb-server-0.10.0\\tools\\tsfileToolSet")]),t._v(" 目录中。")]),t._v(" "),a("p",[t._v("使用方式:")]),t._v(" "),a("p",[t._v("Windows:")]),t._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[t._v(".\\print-tsfile-sketch.bat <TsFile文件路径> (<输出结果的存储路径>) \n")])]),t._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[t._v("1")]),a("br")])]),a("ul",[a("li",[t._v('注意: 如果没有设置输出文件的存储路径, 将使用 "TsFile_sketch_view.txt" 做为默认值。')])]),t._v(" "),a("p",[t._v("Linux or MacOs:")]),t._v(" "),a("div",{staticClass:"language- line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[t._v("./print-tsfile-sketch.sh <TsFile文件路径> (<输出结果的存储路径>) \n")])]),t._v(" "),a("div",{staticClass:"line-numbers-wrapper"},[a("span",{staticClass:"line-number"},[t._v("1")]),a("br")])]),a("ul",[a("li",[t._v('注意: 如果没有设置输出文件的存储路径, 将使用 "TsFile_sketch_view.txt" 做为默认值。')])]),t._v(" "),a("p",[t._v("在mac系统中的示例:")]),t._v(" "),a("div",{staticClass:"language-$xslt line-numbers-mode"},[a("pre",{pre:!0,attrs:{class:"language-text"}},[a("code",[t._v("/incubator-iotdb/server/target/iotdb-server-0.10.0/tools/tsfileToolSet$ ./print-tsfile-sketch.sh test.tsfile\n​````````````````````````\nStarting Printing the TsFile Sketch\n​````````````````````````\nTsFile path:test.tsfile\nSketch save path:TsFile_sketch_view.txt\n-------------------------------- TsFile Sketch --------------------------------\nfile path: test.tsfile\nfile length: 33436\n\n            POSITION| CONTENT\n            --------  -------\n                   0| [magic head] TsFile\n                   6| [version number] 000002\n||||||||||||||||||||| [Chunk Group] of root.group_12.d2, num of Chunks:3\n                  12| [Chunk] of s_INT64e_RLE, numOfPoints:10000, time range:[1,10000], tsDataType:INT64, \n                      startTime: 1 endTime: 10000 count: 10000 [minValue:1,maxValue:1,firstValue:1,lastValue:1,sumValue:10000.0]\n                    |   [marker] 1\n                    |   [ChunkHeader]\n                    |   2 pages\n                 677| [Chunk] of s_INT64e_TS_2DIFF, numOfPoints:10000, time range:[1,10000], tsDataType:INT64, \n                      startTime: 1 endTime: 10000 count: 10000 [minValue:1,maxValue:1,firstValue:1,lastValue:1,sumValue:10000.0]\n                    |   [marker] 1\n                    |   [ChunkHeader]\n                    |   1 pages\n                1349| [Chunk] of s_INT64e_PLAIN, numOfPoints:10000, time range:[1,10000], tsDataType:INT64, \n                      startTime: 1 endTime: 10000 count: 10000 [minValue:1,maxValue:1,firstValue:1,lastValue:1,sumValue:10000.0]\n                    |   [marker] 1\n                    |   [ChunkHeader]\n                    |   2 pages\n                5766| [Chunk Group Footer]\n                    |   [marker] 0\n                    |   [deviceID] root.group_12.d2\n                    |   [dataSize] 5754\n                    |   [num of chunks] 3\n||||||||||||||||||||| [Chunk Group] of root.group_12.d2 ends\n                5799| [Version Info]\n                    |   [marker] 3\n                    |   [version] 102\n||||||||||||||||||||| [Chunk Group] of root.group_12.d1, num of Chunks:3\n                5808| [Chunk] of s_INT32e_PLAIN, numOfPoints:10000, time range:[1,10000], tsDataType:INT32, \n                      startTime: 1 endTime: 10000 count: 10000 [minValue:1,maxValue:1,firstValue:1,lastValue:1,sumValue:10000.0]\n                    |   [marker] 1\n                    |   [ChunkHeader]\n                    |   1 pages\n                8231| [Chunk] of s_INT32e_TS_2DIFF, numOfPoints:10000, time range:[1,10000], tsDataType:INT32, \n                      startTime: 1 endTime: 10000 count: 10000 [minValue:1,maxValue:1,firstValue:1,lastValue:1,sumValue:10000.0]\n                    |   [marker] 1\n                    |   [ChunkHeader]\n                    |   1 pages\n                8852| [Chunk] of s_INT32e_RLE, numOfPoints:10000, time range:[1,10000], tsDataType:INT32, \n                      startTime: 1 endTime: 10000 count: 10000 [minValue:1,maxValue:1,firstValue:1,lastValue:1,sumValue:10000.0]\n                    |   [marker] 1\n                    |   [ChunkHeader]\n                    |   1 pages\n                9399| [Chunk Group Footer]\n                    |   [marker] 0\n                    |   [deviceID] root.group_12.d1\n                    |   [dataSize] 3591\n                    |   [num of chunks] 3\n||||||||||||||||||||| [Chunk Group] of root.group_12.d1 ends\n                9432| [Version Info]\n                    |   [marker] 3\n                    |   [version] 102\n||||||||||||||||||||| [Chunk Group] of root.group_12.d0, num of Chunks:2\n                9441| [Chunk] of s_BOOLEANe_RLE, numOfPoints:10000, time range:[1,10000], tsDataType:BOOLEAN, \n                      startTime: 1 endTime: 10000 count: 10000 [firstValue:true,lastValue:true]\n                    |   [marker] 1\n                    |   [ChunkHeader]\n                    |   1 pages\n                9968| [Chunk] of s_BOOLEANe_PLAIN, numOfPoints:10000, time range:[1,10000], tsDataType:BOOLEAN, \n                      startTime: 1 endTime: 10000 count: 10000 [firstValue:true,lastValue:true]\n                    |   [marker] 1\n                    |   [ChunkHeader]\n                    |   1 pages\n               10961| [Chunk Group Footer]\n                    |   [marker] 0\n                    |   [deviceID] root.group_12.d0\n                    |   [dataSize] 1520\n                    |   [num of chunks] 2\n||||||||||||||||||||| [Chunk Group] of root.group_12.d0 ends\n               10994| [Version Info]\n                    |   [marker] 3\n                    |   [version] 102\n||||||||||||||||||||| [Chunk Group] of root.group_12.d5, num of Chunks:1\n               11003| [Chunk] of s_TEXTe_PLAIN, numOfPoints:10000, time range:[1,10000], tsDataType:TEXT, \n                      startTime: 1 endTime: 10000 count: 10000 [firstValue:version_test,lastValue:version_test]\n                    |   [marker] 1\n                    |   [ChunkHeader]\n                    |   3 pages\n               19278| [Chunk Group Footer]\n                    |   [marker] 0\n                    |   [deviceID] root.group_12.d5\n                    |   [dataSize] 8275\n                    |   [num of chunks] 1\n||||||||||||||||||||| [Chunk Group] of root.group_12.d5 ends\n               19311| [Version Info]\n                    |   [marker] 3\n                    |   [version] 102\n||||||||||||||||||||| [Chunk Group] of root.group_12.d4, num of Chunks:4\n               19320| [Chunk] of s_DOUBLEe_PLAIN, numOfPoints:10000, time range:[1,10000], tsDataType:DOUBLE, \n                      startTime: 1 endTime: 10000 count: 10000 [minValue:1.1,maxValue:1.1,firstValue:1.1,lastValue:1.1,sumValue:11000.00000000123]\n                    |   [marker] 1\n                    |   [ChunkHeader]\n                    |   2 pages\n               23740| [Chunk] of s_DOUBLEe_TS_2DIFF, numOfPoints:10000, time range:[1,10000], tsDataType:DOUBLE, \n                      startTime: 1 endTime: 10000 count: 10000 [minValue:1.1,maxValue:1.1,firstValue:1.1,lastValue:1.1,sumValue:11000.000000002045]\n                    |   [marker] 1\n                    |   [ChunkHeader]\n                    |   1 pages\n               24414| [Chunk] of s_DOUBLEe_GORILLA, numOfPoints:10000, time range:[1,10000], tsDataType:DOUBLE, \n                      startTime: 1 endTime: 10000 count: 10000 [minValue:1.1,maxValue:1.1,firstValue:1.1,lastValue:1.1,sumValue:11000.000000002045]\n                    |   [marker] 1\n                    |   [ChunkHeader]\n                    |   1 pages\n               25054| [Chunk] of s_DOUBLEe_RLE, numOfPoints:10000, time range:[1,10000], tsDataType:DOUBLE, \n                      startTime: 1 endTime: 10000 count: 10000 [minValue:1.1,maxValue:1.1,firstValue:1.1,lastValue:1.1,sumValue:11000.000000001224]\n                    |   [marker] 1\n                    |   [ChunkHeader]\n                    |   2 pages\n               25717| [Chunk Group Footer]\n                    |   [marker] 0\n                    |   [deviceID] root.group_12.d4\n                    |   [dataSize] 6397\n                    |   [num of chunks] 4\n||||||||||||||||||||| [Chunk Group] of root.group_12.d4 ends\n               25750| [Version Info]\n                    |   [marker] 3\n                    |   [version] 102\n||||||||||||||||||||| [Chunk Group] of root.group_12.d3, num of Chunks:4\n               25759| [Chunk] of s_FLOATe_GORILLA, numOfPoints:10000, time range:[1,10000], tsDataType:FLOAT, \n                      startTime: 1 endTime: 10000 count: 10000 [minValue:1.1,maxValue:1.1,firstValue:1.1,lastValue:1.1,sumValue:11000.00023841858]\n                    |   [marker] 1\n                    |   [ChunkHeader]\n      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tsDataType:DOUBLE\n                    | [startTime: 1 endTime: 10000 count: 10000 [minValue:1.1,maxValue:1.1,firstValue:1.1,lastValue:1.1,sumValue:11000.000000001224]] \n               31212| [ChunkMetadataList] of root.group_12.d4.s_DOUBLEe_TS_2DIFF, tsDataType:DOUBLE\n                    | [startTime: 1 endTime: 10000 count: 10000 [minValue:1.1,maxValue:1.1,firstValue:1.1,lastValue:1.1,sumValue:11000.000000002045]] \n               31308| [ChunkMetadataList] of root.group_12.d5.s_TEXTe_PLAIN, tsDataType:TEXT\n                    | [startTime: 1 endTime: 10000 count: 10000 [firstValue:version_test,lastValue:version_test]] \n               32840| [MetadataIndex] of root.group_12.d0\n               32881| [MetadataIndex] of root.group_12.d1\n               32920| [MetadataIndex] of root.group_12.d2\n               32959| [MetadataIndex] of root.group_12.d3\n               33000| [MetadataIndex] of root.group_12.d4\n               33042| [MetadataIndex] of root.group_12.d5\n             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