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commit dc0001935300af5008ee2ca092377470e9e4e477 Author: samperson1997 <[email protected]> AuthorDate: Fri Oct 9 22:09:11 2020 +0800 Updata MetadataIndexTree graph --- docs/SystemDesign/TsFile/Format.md | 2 +- docs/zh/SystemDesign/TsFile/Format.md | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/SystemDesign/TsFile/Format.md b/docs/SystemDesign/TsFile/Format.md index cb549e2..0cbf138 100644 --- a/docs/SystemDesign/TsFile/Format.md +++ b/docs/SystemDesign/TsFile/Format.md @@ -216,7 +216,7 @@ The max degree of the metadata index tree (that is, the max number of each node' 150 device with 1 measurement each: The number of devices exceeds `max_degree_of_index_node`, so the device index level and measurement index level of the tree are both formed. In these two levels, each MetadataIndexNode is composed of no more than 10 MetadataIndex entries. The nodes that point to `TimeseriesMetadata` directly are `LEAF_MEASUREMENT` type. The root nodes of measurement index level are also the leaf nodes of device index level, which are `LEAF_DEVICE` type. Other nodes and [...] -<img style="width:100%; max-width:800px; max-height:600px; margin-left:auto; margin-right:auto; display:block;" src="https://user-images.githubusercontent.com/19167280/81935138-b6e90380-9622-11ea-94f9-c97bd2b5d050.png"> +<img style="width:100%; max-width:800px; max-height:600px; margin-left:auto; margin-right:auto; display:block;" src="https://user-images.githubusercontent.com/19167280/95592841-c0fd1a00-0a7b-11eb-9b46-dfe8b2f73bfb.png"> 150 device with 150 measurements each: The numbers of devices and measurements both exceed `max_degree_of_index_node`, so the device index level and measurement index level are both formed. In these two levels, each MetadataIndexNode is composed of no more than 10 MetadataIndex entries. As is described before, from the root node to the leaf nodes of device index level, their types are `INTERNAL_DEVICE` and `LEAF_DEVICE`; each leaf node of device index level can be seen as the root node o [...] diff --git a/docs/zh/SystemDesign/TsFile/Format.md b/docs/zh/SystemDesign/TsFile/Format.md index c3d8377..308f222 100644 --- a/docs/zh/SystemDesign/TsFile/Format.md +++ b/docs/zh/SystemDesign/TsFile/Format.md @@ -212,7 +212,7 @@ PageHeader 结构 在1个设备,设备中有150个传感器的情况下,传感器个数超过了 `max_degree_of_index_node`,元数据索引树有默认的传感器层级。在这个层级里,每个 MetadataIndexNode 最多由10个 MetadataIndexEntry 组成。直接指向 `TimeseriesMetadata`的节点类型均为 `LEAF_MEASUREMENT`;而后续产生的中间节点和根节点不是传感器索引层级的叶子节点,这些节点是 `INTERNAL_MEASUREMENT`。 -<img style="width:100%; max-width:800px; max-height:600px; margin-left:auto; margin-right:auto; display:block;" src="https://user-images.githubusercontent.com/19167280/81935182-cd8f5a80-9622-11ea-8e41-661a5219974b.png"> +<img style="width:100%; max-width:800px; max-height:600px; margin-left:auto; margin-right:auto; display:block;" src="https://user-images.githubusercontent.com/19167280/95592841-c0fd1a00-0a7b-11eb-9b46-dfe8b2f73bfb.png"> 在150个设备,每个设备中有1个传感器的情况下,设备个数超过了 `max_degree_of_index_node`,形成元数据索引树的传感器层级和设备索引层级。在这两个层级里,每个 MetadataIndexNode 最多由10个 MetadataIndexEntry 组成。直接指向 `TimeseriesMetadata` 的节点类型为 `LEAF_MEASUREMENT`,传感器索引层级的根节点同时作为设备索引层级的叶子节点,其节点类型为 `LEAF_DEVICE`;而后续产生的中间节点和根节点不是设备索引层级的叶子节点,因此节点类型为 `INTERNAL_DEVICE`。
