HDFS目录结构
参数 | 说明 | 示例 | 配置文件 |
dataDir | ㅤ | /data1/zookeeper/data | zoo.cfg |
HADOOP_CONF_DIR | ㅤ | /etc/hadoop/conf | |
HADOOP_LOG_DIR | ㅤ | /var/log/hadoop/$USER | |
dfs.name.dir | ㅤ | file:/data1/hdfs/namenode | hdfs-site.xml |
dfs.data.dir | ㅤ | file:/data1/hdfs/datanode | hdfs-site.xml |
dfs.journalnode.edits.dir | ㅤ | /data1/hdfs/journaldata | hdfs-site.xml |
dfs.domain.socket.path | ㅤ | /var/lib/hadoop-hdfs/dn_socket | hdfs-site.xml |
HAWQ目录结构说明
参数 | 说明 | 示例 |
hawq_dfs_url | 存储TABLE等业务数据 | oushu/hawq/default_filespace |
hawq_master_directory | 1.存储表结构等catalog元数据
2.存储log
3....... | /data1/hawq/masterdd |
hawq_segment_directory | ㅤ | /data1/hawq/segmentdd |
hawq_master_temp_directory | 用于存放计算的中间数据 | /data1/hawq/tmp |
hawq_segment_temp_directory | 用于存放计算的中间数据 | /data1/hawq/tmp |
TABLE存储方式
- Author:ayee
- URL:http://preview.tangly1024.com/article/3758d88b-b050-80b0-8fbd-fbcc8bc4897f
- Copyright:All articles in this blog, except for special statements, adopt BY-NC-SA agreement. Please indicate the source!
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