DSEFS (DataStax Enterprise file system)

DSEFS is the default distributed file system on DSE Analytics nodes.


DSEFS (DataStax Enterprise file system) is a distributed file system within DataStax Enterprise.

Enabling DSEFS

Steps to enable DSEFS on DataStax Enterprise nodes.

Disabling DSEFS

Steps to disable DSEFS and remove metadata and data.

Configuring DSEFS

Steps to configure DSEFS, configure data replication, and other functions, including setting the Kafka log retention.

DSEFS command line tool

Options and command arguments for the DSE File System (DSEFS).

DSEFS compression

DSEFS is able to compress files to save storage space and bandwidth.

DSEFS authentication

DSEFS works with secured DataStax Enterprise clusters.

DSEFS authorization

DSEFS authorization verifies user and group permissions on files and directories stored in DSEFS.

Using the DSEFS REST interface

DSEFS provides a REST interface that implements all the commands from WebHDFS.

Programmatic access to DSEFS

DSEFS can be accessed programmatically from an application by obtaining DSEFS’s implementation of Hadoop’s FileSystem interface.

Hadoop FileSystem interface implemented by DseFileSystem

DseFileSystem has partial support of the Hadoop FileSystem interface.

Using JMX to read DSEFS metrics

DSEFS reports status and performance metrics through JMX in domain com.datastax.bdp:type=dsefs.

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