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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.
  - Get information
    Use these nodetool commands to get information about your clusters and nodes.
  - Collect metrics
    Use these nodetool commands to collect metrics from your clusters and nodes.
  - Perform operations
    Use these nodetool commands for operations.
  - Adjust settings
    Use these nodetool commands to adjust settings.
    - reloadseeds
      Reloads the seed node list from the seed node provider.
    - setbatchlogreplaythrottle
      Sets batchlog replay throttle in kilobytes per second or 0 to disable throttling.
    - setcachecapacity
      Set global key and row cache capacities in megabytes.
    - setcachekeystosave
      Sets the global number of keys saved by each cache for faster post-restart warmup.
    - setconcurrentviewbuilders
      Sets the number of simultaneous materialized view builder tasks.
    - setinterdcstreamthroughput
      Sets the inter-datacenter throughput capacity in megabits per second (Mb/s) streaming.
    - setlogginglevel
      Sets the logging level threshold for a given component or class.
    - setstreamthroughput
      Sets the throughput capacity in megabits per second (Mb/s) for outbound streaming in the system.
    - settimeout
      Temporarily sets the timeout for the given timeout type.
    - settraceprobability
      Sets the probability for tracing a request.
  - Diagnose issues
    Use these nodetool commands to manage diagnostics.
  - Manage backup commands
    Use these nodetool commands to manage backups, including snapshots and incremental backup.
  - Ensure data consistency
    Use these nodetool commands to ensure data consistency and manage table repairs.
  - Manage compaction
    Use these nodetool commands for compaction.
  - Manage NodeSync service
    Manage the NodeSync service on the connected node.
  - Manage hints
    Use these nodetool commands for managing hints.
- 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.
- 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.

Adjust settings with nodetool commands

Use these nodetool commands to adjust settings.

Use these nodetool commands to adjust settings.

nodetool reloadseeds
Reloads the seed node list from the seed node provider.
nodetool setbatchlogreplaythrottle
Sets batchlog replay throttle in kilobytes per second or 0 to disable throttling.
nodetool setcachecapacity
Set global key and row cache capacities in megabytes.
nodetool setcachekeystosave
Sets the global number of keys saved by each cache for faster post-restart warmup.
nodetool setconcurrentviewbuilders
Sets the number of simultaneous materialized view builder tasks.
nodetool setinterdcstreamthroughput
Sets the inter-datacenter throughput capacity in megabits per second (Mb/s) streaming.
nodetool setlogginglevel
Sets the logging level threshold for a given component or class.
nodetool setstreamthroughput
Sets the throughput capacity in megabits per second (Mb/s) for outbound streaming in the system.
nodetool settimeout
Temporarily sets the timeout for the given timeout type.
nodetool settraceprobability
Sets the probability for tracing a request.

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Build time: 2023-03-29 08:44:25.407

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