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Posted to notifications@iotdb.apache.org by "Lei Rui (Jira)" <ji...@apache.org> on 2022/11/09 09:46:00 UTC
[jira] [Assigned] (IOTDB-4894) TsFileSketchTool prints only the first page info when there are multiple pages in a chunk
[ https://issues.apache.org/jira/browse/IOTDB-4894?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Lei Rui reassigned IOTDB-4894:
------------------------------
Assignee: Lei Rui
> TsFileSketchTool prints only the first page info when there are multiple pages in a chunk
> -----------------------------------------------------------------------------------------
>
> Key: IOTDB-4894
> URL: https://issues.apache.org/jira/browse/IOTDB-4894
> Project: Apache IoTDB
> Issue Type: Bug
> Components: Core/Server
> Reporter: Lei Rui
> Assignee: Lei Rui
> Priority: Minor
>
> An example is as follows. This tsfile has one chunk with 100 pages, but the sketch tool prints only the first page info: "[page] CompressedSize:1887, UncompressedSize:2606".
> {code:java}
> -------------------------------- TsFile Sketch --------------------------------
> file path: D:\github\1667985904766-1-0-0.tsfile
> file length: 205798 POSITION| CONTENT
> -------- -------
> 0| [magic head] TsFile
> 6| [version number] 3
> ||||||||||||||||||||| [Chunk Group] of root.sg1.d1, num of Chunks:1
> 7| [Chunk Group Header]
> | [marker] 0
> | [deviceID] root.sg1.d1
> 20| [Chunk] of s1, numOfPoints:100000, time range:[1591717867194,1591768035853], tsDataType:DOUBLE,
> startTime: 1591717867194 endTime: 1591768035853 count: 100000 [minValue:0.0,maxValue:88.5,firstValue:68.10000000000001,lastValue:64.2,sumValue:7098754.59999999]
> | [chunk header] marker=1, measurementId=s1, dataSize=205580, serializedSize=10
> | [chunk] java.nio.HeapByteBuffer[pos=0 lim=205580 cap=205580]
> | [page] CompressedSize:1887, UncompressedSize:2606
> ||||||||||||||||||||| [Chunk Group] of root.sg1.d1 ends
> 205627| [marker] 2
> 205628| [TimeseriesIndex] of root.sg1.d1.s1, tsDataType:DOUBLE
> | [ChunkIndex] s1, offset=20
> | [startTime: 1591717867194 endTime: 1591768035853 count: 100000 [minValue:0.0,maxValue:88.5,firstValue:68.10000000000001,lastValue:64.2,sumValue:7098754.59999999]]
> |||||||||||||||||||||
> 205701| [IndexOfTimerseriesIndex Node] type=LEAF_MEASUREMENT
> | <s1, 205628>
> | <endOffset, 205701>
> 205722| [TsFileMetadata]
> | [meta offset] 205627
> | [num of devices] 1
> | 1 key&TsMetadataIndex
> | [bloom filter bit vector byte array length] 24
> | [bloom filter bit vector byte array]
> | [bloom filter number of bits] 256
> | [bloom filter number of hash functions] 5
> 205788| [TsFileMetadataSize] 66
> 205792| [magic tail] TsFile
> 205798| END of TsFile
> ---------------------------- IndexOfTimerseriesIndex Tree -----------------------------
> [MetadataIndex:LEAF_DEVICE]
> └──────[root.sg1.d1,205701]
> [MetadataIndex:LEAF_MEASUREMENT]
> └──────[s1,205628]
> ---------------------------------- TsFile Sketch End ----------------------------------
> {code}
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