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DSE 6.0 Administrator Guide (EOSL)

Getting started
Information about using DataStax Enterprise for Administrators.
Release notes
Release notes for DataStax Enterprise.
Installing
DataStax Enterprise 6.0 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.
Initializing a cluster
Initializing a DataStax Enterprise (DSE) cluster includes configuring, and choosing how the data is divided across the nodes in the cluster.
Security
DataStax Enterprise 6.0 Security Guide.
DSE advanced functionality
Information on using DSE Analytics, DSEFS, DSE Search, DSE Graph, DSE Advanced Replication, DSE In-Memory, DSE Multi-Instance, DSE Tiered Storage and DSE Performance services.
Tools
Tools include dse commands, dsetool, fs-stress tool, pre-flight check, and yaml_diff tools, and the sstableloader.
Operations
DataStax Enterprise operation topics, such as node and datacenter operations, changing replication strategies, configuring compaction and compression, caching, and tuning Bloom filters.
- Starting and stopping DSE
  You can start and stop DataStax Enterprise as a service or stand-alone process.
- Adding or removing nodes, datacenters, or clusters
  Information on adding or removing nodes, datacenters, or clusters.
  - Adding nodes to vnode-enabled cluster
    Steps to add nodes to a datacenter in an existing vnode-enabled cluster.
  - Adding a datacenter to a cluster
    Add a datacenter to an existing cluster.
  - Adding a datacenter to a cluster using a designated datacenter as a data source
    Add a datacenter to an existing cluster using a designated datacenter as a data source.
  - Replacing a dead node or dead seed node
    Steps to replace a node that has died for some reason, such as hardware failure.
  - Replacing a running node
    Two methods for replacing a node with a new node, such as when updating to newer hardware or performing proactive maintenance.
  - Moving a node from one rack to another
    Methods for moving a node from one rack to another.
  - Decommissioning a datacenter
    Steps to properly remove a datacenter so no information is lost.
  - Removing a node
    Reduce the size of a datacenter.
  - Changing the IP address of a node
    Changing the IP address of a node.
  - Switching snitches
    Steps for switching snitches.
  - Changing keyspace replication strategy
    Changing the replication strategy of a keyspace from SimpleStrategy to NetworkTopologyStrategy.
  - Migrating or renaming a cluster
    Migrating or renaming without interruption of service.
  - Adding single-token nodes to a cluster
    Steps for adding nodes in single-token architecture clusters, not clusters using virtual nodes.
  - Adding a datacenter to a single-token architecture cluster
    Steps for adding a datacenter to single-token architecture clusters, not clusters using virtual nodes.
  - Replacing a dead node in a single-token architecture cluster
    Steps for replacing nodes in single-token architecture clusters, not vnodes.
- Backing up and restoring data
  DataStax Enterprise backs up data by taking a snapshot of all on-disk data files (SSTable files) stored in the data directory.
- Repairing nodes
  Repairing nodes makes sure data in every replica is consistent with other replicas.
- Monitoring a DSE cluster
  Information about performance characteristics, thread pool, read/write latency, table statistics, compaction metrics, and endpoint metrics.
- Tuning the database
  Tuning Java resources, Bloom filters, and configuring memtable thresholds to improve write performance.
- Data caching
  Configuring caches for optimal performance.
- Compacting and compressing
  Information on configuring and testing compaction and compression in DataStax Enterprise.
- Migrating data to DSE
  Methods to migrate data to DataStax Enterprise solutions.
- Collecting node health and indexing scores
  Steps to configure node health options, and commands to retrieve health and indexing scores.
- Clearing data from DSE
  Remove all data from any type of installation.
Planning
Hardware selection, estimating disk capacity, anti-patterns, cluster testing and more.

Adding or removing nodes, datacenters, or clusters

Information on adding or removing nodes, datacenters, or clusters.

Adding nodes to vnode-enabled cluster
Steps to add nodes to a datacenter in an existing vnode-enabled cluster.
Adding a datacenter to a cluster
Add a datacenter to an existing cluster.
Adding a datacenter to a cluster using a designated datacenter as a data source
Add a datacenter to an existing cluster using a designated datacenter as a data source.
Replacing a dead node or dead seed node
Steps to replace a node that has died for some reason, such as hardware failure.
Replacing a running node
Two methods for replacing a node with a new node, such as when updating to newer hardware or performing proactive maintenance.
Moving a node from one rack to another
Methods for moving a node from one rack to another.
Decommissioning a datacenter
Steps to properly remove a datacenter so no information is lost.
Removing a node
Reduce the size of a datacenter.
Changing the IP address of a node
Changing the IP address of a node.
Switching snitches
Steps for switching snitches.
Changing keyspace replication strategy
Changing the replication strategy of a keyspace from SimpleStrategy to NetworkTopologyStrategy.
Migrating or renaming a cluster
Migrating or renaming without interruption of service.
Adding single-token nodes to a cluster
Steps for adding nodes in single-token architecture clusters, not clusters using virtual nodes.
Adding a datacenter to a single-token architecture cluster
Steps for adding a datacenter to single-token architecture clusters, not clusters using virtual nodes.
Replacing a dead node in a single-token architecture cluster
Steps for replacing nodes in single-token architecture clusters, not vnodes.

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