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DSE 6.7 Developer Guide (EOSL)

Getting started
Information about developing applications for DataStax Enterprise.
Release notes
Release notes for DataStax Enterprise.
Installing
DataStax Enterprise 6.7 can be installed in a number of ways, depending on the purpose of the installation, the type of operating system, and the available permissions.
Configuration
Information about configuring DataStax Enterprise, such as recommended production setting, configuration files, snitch configuration, start-up parameters, heap dump settings, using virtual nodes, and more.
DSE advanced functionality
Information on using DSE Analytics, DSE Search, DSE Graph, DSEFS (DataStax Enterprise file system), and DSE Advanced Replication.
Developing applications with DataStax drivers
The DataStax drivers are the primary resource for application developers creating solutions using DataStax Enterprise (DSE).
Tools
Tools include nodetool, dse, and dsefs shell commands, dsetool, fs-stress tool, pre-flight check, and yaml_diff tools, and the sstableloader.
- DSE Metrics Collector
  DSE Metrics Collector aggregates DSE metrics and integrates with centralized monitoring solutions to facilitate problem resolution and remediation.
- nodetool
  Available commands for monitoring a cluster and performing routine database operations.
- dse commands
  The dse commands for starting the database and connecting an external client to a DataStax Enterprise node and performing common utility tasks.
- dsefs shell commands
  The DSEFS functionality supports operations including uploading, downloading, moving, and deleting files, creating directories, and verifying the DSEFS status.
- dsetool
  A list of the available commands for DSE operations.
  - Connection options
    Options for connecting to your cluster with the dsetool utility.
  - Get information
    Use these dsetool commands to get information about your nodes.
    - help
      Provides a listing of dsetool commands and parameters.
    - inmemorystatus
      Provides the memory size, capacity, and percentage for this node and the amount of memory each table is using.
    - list_subranges
      Lists the subranges of data in a keyspace to describe a token range by a number of smaller subranges.
    - listjt
      Lists all Job Tracker nodes grouped by the datacenter that is local to them.
    - node_health
      Retrieves a dynamic score between 0 and 1 that describes the health of a DataStax Enterprise node.
    - partitioner
      Returns the fully qualified classname of the IPartitioner that is in use by the cluster.
    - ring
      Lists the nodes in the ring.
    - status
      Lists the nodes in their ring, including the node type and node health.
    - tieredtablestats
      Outputs tiered storage information, including SSTables, tiers, timestamps, and sizes. Provides information on every table that uses tiered storage.
  - Perform operations
    Use these dsetool commands for operations.
  - Configure DSE Metrics Collector
    Use these dsetool commands to enable and configure DSE Metrics Collector.
  - Manage security
    Use these dsetool commands to encrypt sensitive information and manage encryption keys.
  - Manage search index
    Use these dsetool commands to manage the search index.
- Stress tools
  Tools for stress testing DataStax Enterprise.
- SSTable tools
  Available diagnostic tools for analyzing, using, upgrading, and changing DataStax Enterprise SSTables.
- Preflight check tool
  The preflight check tool is a collection of tests that detects and optionally fixes configuration settings on DataStax Enterprise nodes.
- Compare yaml files
  cluster_check and yaml_diff compare the differences between cassandra.yaml or dse.yaml files.
Operations
DataStax Enterprise operation topics, such as node and datacenter operations, changing replication strategies, configuring compaction and compression, caching, and tuning Bloom filters.
CQL
CQL (Cassandra Query Language) is a query language for the DataStax Enterprise database.

Get information with dsetool commands

Use these dsetool commands to get information about your nodes.

Use these dsetool commands to get information about your nodes.

dsetool help
Provides a listing of dsetool commands and parameters.
dsetool inmemorystatus
Provides the memory size, capacity, and percentage for this node and the amount of memory each table is using.
dsetool list_subranges
Lists the subranges of data in a keyspace to describe a token range by a number of smaller subranges.
dsetool listjt
Lists all Job Tracker nodes grouped by the datacenter that is local to them.
dsetool node_health
Retrieves a dynamic score between 0 and 1 that describes the health of a DataStax Enterprise node.
dsetool partitioner
Returns the fully qualified classname of the IPartitioner that is in use by the cluster.
dsetool ring
Lists the nodes in the ring.
dsetool status
Lists the nodes in their ring, including the node type and node health.
dsetool tieredtablestats
Outputs tiered storage information, including SSTables, tiers, timestamps, and sizes. Provides information on every table that uses tiered storage.

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