#0. Alluxio Namespace参考
https://www.alluxio.org/docs/1.8/en/advanced/Namespace-Management.html#relationship-between-alluxio-and-ufs-namespace
#1. Quick-Start: 快速启动参考
http://www.alluxio.org/docs/1.8/en/Getting-Started.html
#2. Root Mount: Mounting-s3
https://www.alluxio.org/docs/1.8/en/ufs/S3.html#mounting-s3
#3. mounting-in-alluxio: 挂载文件系统目录
http://www.alluxio.org/docs/1.8/en/Getting-Started.html#bonus-mounting-in-alluxio
#4. Alluxio配置参考
https://www.alluxio.org/docs/1.7/cn/Configuration-Settings.html
https://www.alluxio.org/docs/1.8/en/basic/Configuration-Settings.html
https://www.alluxio.org/docs/1.8/en/reference/Properties-List.html
https://www.alluxio.org/docs/1.8/en/reference/Properties-List.html
#5. Alluxio分层存储参考
https://www.alluxio.org/docs/1.8/en/advanced/Alluxio-Storage-Management.html
https://www.alluxio.org/docs/1.8/en/advanced/Alluxio-Storage-Management.html#multiple-tier-storage
https://www.alluxio.org/docs/1.8/en/advanced/Alluxio-Storage-Management.html#multiple-tier-storage
#6. Alluxio集群部署参考
https://www.alluxio.org/docs/1.8/en/deploy/Running-Alluxio-On-a-Cluster.html
#7. Spark on Alluxio
http://www.alluxio.org/docs/1.8/en/compute/Spark.html
http://www.alluxio.org/docs/1.8/cn/compute/Spark.html
http://www.alluxio.org/docs/1.7/cn/Running-Spark-on-Alluxio.html#%E6%A3%80%E6%9F%A5spark%E4%B8%8Ealluxio%E7%9A%84%E9%9B%86%E6%88%90%E6%80%A7-%E6%94%AF%E6%8C%81spark-2x
#8. Alluxio Securiy
https://www.alluxio.org/docs/1.7/cn/Security.html
https://www.alluxio.org/docs/1.8/en/advanced/Security.html#impersonation
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