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new 0fcb64564d HDDS-11477. [doc] Add configuration description for
datanode docs (#7223)
0fcb64564d is described below
commit 0fcb64564d88defc8d2c0ab585bff5717c26632b
Author: Conway Zhang <[email protected]>
AuthorDate: Mon Sep 23 17:47:30 2024 +0800
HDDS-11477. [doc] Add configuration description for datanode docs (#7223)
---
hadoop-hdds/docs/content/concept/Datanodes.md | 12 ++++++++++++
hadoop-hdds/docs/content/concept/Datanodes.zh.md | 12 ++++++++++++
2 files changed, 24 insertions(+)
diff --git a/hadoop-hdds/docs/content/concept/Datanodes.md
b/hadoop-hdds/docs/content/concept/Datanodes.md
index 47c09a798f..cf246712f6 100644
--- a/hadoop-hdds/docs/content/concept/Datanodes.md
+++ b/hadoop-hdds/docs/content/concept/Datanodes.md
@@ -76,3 +76,15 @@ blocks that get reported. That is a 40x reduction in the
block reports.
This extra indirection helps tremendously with scaling Ozone. SCM has far
less block data to process and the namespace service (Ozone Manager) as a
different service are critical to scaling Ozone.
+
+
+## Notable configurations
+
+key | default | <div style="width: 300px;">description</div>
+----|---------|------------
+dfs.container.ratis.datanode.storage.dir | none | This directory is used for
storing Ratis metadata like logs.
+ozone.scm.datanode.id.dir | none | The path that datanodes will use to store
the datanode ID.
+hdds.datanode.dir | none | Determines where HDDS data will be stored on the
local filesystem.
+hdds.datanode.dir.du.reserved | none | Reserved space in bytes per volume.
Always leave this much space free for non dfs use.
+ozone.metadata.dirs | none | Directory to store persisted data (RocksDB).
+ozone.recon.address | 0.0.0.0:9891 | RPC address of the Recon. Use <host:port>
to connect Recon.
diff --git a/hadoop-hdds/docs/content/concept/Datanodes.zh.md
b/hadoop-hdds/docs/content/concept/Datanodes.zh.md
index 8f129df7b9..32071c9e51 100644
--- a/hadoop-hdds/docs/content/concept/Datanodes.zh.md
+++ b/hadoop-hdds/docs/content/concept/Datanodes.zh.md
@@ -49,3 +49,15 @@ Ozone 的存储容器是一个自包含的超级块，容器中包含一系列
SCM 如何获得容器的位置？这一点和现有的 HDFS
十分相似。数据节点会定期发送类似于块报告的容器报告，容器报告比块报告的内容简洁的多，比如，对于一个存储容量为 196 TB 的集群，Ozone
大概会拥有四万个容器，相比于 HDFS 的一百五十万个块，块报告数量缩减为四十分之一。
这种间接管理的方式大大地提高了 Ozone 的扩展性，因为 SCM 需要处理的块数据大大减少，且命名服务（OM）作为一个独特的服务主体对于扩展 Ozone
具有重要意义。
+
+
+## 需要关注的配置项
+
+配置项 |默认值 | <div style="width:300px;">描述</div>
+----|---------|------------
+dfs.container.ratis.datanode.storage.dir | none | 该目录用于存储 Ratis 元数据，如日志。
+ozone.scm.datanode.id.dir | none | 数据节点上用于存储数据节点 ID 的路径。
+hdds.datanode.dir | none | 此配置决定数据节点上的数据将存储在本地文件系统的哪个位置。
+hdds.datanode.dir.du.reserved | none | 每个卷保留的存储空间（以字节为单位）。始终为非DFS用途保留这么多空闲空间。
+ozone.metadata.dirs | none | 用于存储持久化数据（RocksDB）的目录。
+ozone.recon.address | 0.0.0.0:9891 | Recon的RPC地址。 使用 <host:port> 连接到Recon。
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