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| File Name | Parameter Name | Parameter Value | Description | |
|---|---|---|---|---|
| core-site.xml | fs.defaultFS/fs.default.name | hdfs://bigdataserver-2.c.cellular-axon-219405.internal:8020 | Namenode ip address or nameservice (HA config) | |
| hdfs-site.xml | dfs.block.size/dfs.blocksize | 128 MB | Block size at which files will be stored physically. | |
| hdfs-site.xml | dfs.replication | 3 | Number of copies per block of a file for fault tolerance | |
| hdfs-site.xml | dfs.namenode.http-address | bigdataserver-2.c.cellular-axon-219405.internal:50070 | Namenode Web UI. By default it might use ip address of namenode. | |
| hdfs-site.xml | dfs.datanode.http.address | 0.0.0.0:50075 | Datanode Web UI | |
| hdfs-site.xml | dfs.name.dir/dfs.namenode.name.dir | /data1/dfs/nn | Directory location for FS Image and edit logs on name node | |
| hdfs-site.xml | dfs.data.dir/dfs.datanode.data.dir | /data1/dfs/dn | Directory location for storing blocks on data nodes | |
| hdfs-site.xml | fs.checkpoint.dir/dfs.namenode.checkpoint.dir | /data1/dfs/snn | Directory location which will be used by secondary namenode for checkpoint. | |
| hdfs-site.xml | fs.checkpoint.period/dfs.namenode.checkpoint.period | 1 hour | Checkpoint (merging edit logs with current fs image to create new fs image) interval. | |
| hdfs-site.xml | dfs.namenode.checkpoint.txns | 1000000 | Checkpoint (merging edit logs with current fs image to create new fs image) transactions. |
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