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Updated Hadoop Compatible File System (markdown)

Chris Lu 2019-09-03 01:01:52 -07:00
parent e1dec20dc6
commit a63b0dd539
1 changed files with 11 additions and 2 deletions
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Hadoop-Compatible-File-System.md

@ -126,7 +126,10 @@ And modify the configuration at runntime:
```
# Installation for HBase
If HBase is used, create a folder and configure the HBase root directory in `etc/hbase/conf/hbase-site.xml`:
Copy the seaweedfs-hadoop2-client-x.x.x.jar to `${HBASE_HOME}/lib`.
And add the following 2 properties in `${HBASE_HOME}/conf/hbase-site.xml`:
```
<configuration>
@ -134,9 +137,14 @@ If HBase is used, create a folder and configure the HBase root directory in `etc
<name>hbase.rootdir</name>
<value>seaweedfs://localhost:8888/hbase</value>
</property>
<property>
<name>fs.seaweedfs.impl</name>
<value>seaweed.hdfs.SeaweedFileSystem</value>
</property>
</configuration>
```
# Supported Operations
# Supported HDFS Operations
```
bin/hdfs dfs -appendToFile README.txt /weedfs/weedfs.txt
bin/hdfs dfs -cat /weedfs/weedfs.txt
@ -180,6 +188,7 @@ If HBase is used, create a folder and configure the HBase root directory in `etc
setrep
```
# Notes
## Atomicity
SeaweedFS satisfies the HCFS [requirements](https://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-common/filesystem/introduction.html) that the following operations to be atomic, when using MySql/Postgres database transactions.