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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.
- DSE Metrics Collector
  DSE Metrics Collector aggregates DSE metrics and integrates with centralized monitoring solutions to facilitate problem resolution and remediation.
- nodetool
  A list of the available commands for managing a cluster.
  - About the nodetool utility
    A command line interface for monitoring a cluster and performing routine database operations.
  - abortrebuild
    Aborts a running rebuild operation. Completes processing of active streams.
  - assassinate
    Forcefully removes a dead node without re-replicating any data. Use as a last resort when you cannot successfully use nodetool removenode.
  - bootstrap
    Monitors and manages the bootstrap process on one or more nodes.
  - cfhistograms
    This tool has been renamed to tablehistograms.
  - cfstats
    This tool has been renamed nodetool tablestats.
  - cleanup
    Triggers immediate cleanup of keyspaces that no longer belong to a node.
  - clearsnapshot
    Removes one or more snapshots.
  - compact
    Forces a major compaction on one or more tables or given SSTables.
  - compactionhistory
    Prints history of compaction.
  - compactionstats
    Prints statistics about compactions.
  - decommission
    Causes a live node to decommission itself, streaming its data to the next node on the ring to replicate appropriately.
  - describecluster
    Prints the name, snitch, partitioner and schema version of a cluster.
  - describering
    Shows the token ranges.
  - disableautocompaction
    Disables autocompaction for a keyspace and one or more tables.
  - disablebackup
    Disables incremental backup.
  - disablebinary
    Disables the native transport.
  - disablegossip
    Disables the gossip protocol.
  - disablehandoff
    Disables storing hinted handoffs.
  - disablehintsfordc
    Disables hints for a datacenter.
  - drain
    Drains the node.
  - enableautocompaction
    Enables autocompaction for a keyspace and one or more tables, or all tables.
  - enablebackup
    Enables incremental backup.
  - enablebinary
    Re-enables the native transport that defines the format of the binary messages.
  - enablegossip
    Re-enables gossip.
  - enablehandoff
    Reenables storing of future hints on the current node.
  - enablehintsfordc
    Turns on hints for a datacenter that was previously disabled with nodetool disablehintsfordc.
  - failuredetector
    Shows the failure detector information for the cluster.
  - flush
    Flushes one or more tables from the memtable to SSTables on disk.
  - garbagecollect
    Removes deleted data from one or more tables.
  - gcstats
    Prints garbage collection (GC) statistics.
  - getbatchlogreplaythrottle
    Prints batchlog replay throttle in KBs.
  - getcachecapacity
    Gets the global key, row, and counter cache capacities in megabytes.
  - getcachekeystosave
    Gets the global number of keys saved by counter cache, key cache, and row cache.
  - getcompactionthreshold
    Prints minimum and maximum compaction thresholds for a given table.
  - getcompactionthroughput
    Prints the compaction throughput in megabytes (MBs) per second.
  - getconcurrentcompactors
    Gets the number of concurrent compactors in the system.
  - getconcurrentviewbuilders
    Display the number of concurrent materialized view builders.
  - getendpoints
    Prints the endpoints that own the partition key.
  - gethintedhandoffthrottlekb
    Gets the hinted handoff throttle in KB/sec per delivery thread.
  - getinterdcstreamthroughput
    Prints the outbound throttle (throughput cap) for all streaming file transfers between datacenters.
  - getlogginglevels
    Gets the runtime logging levels.
  - getmaxhintwindow
    Prints the maximum time that the database generates hints for an unresponsive node.
  - getseeds
    Gets the IP list of the current seed node.
  - getsstables
    Prints the SSTable that owns the partition key.
  - getstreamthroughput
    Gets the throughput throttle for streaming file transfers.
  - gettimeout
    Prints the current timeout values in milliseconds.
  - gettraceprobability
    Prints the current trace probability value.
  - gossipinfo
    Shows the gossip information to discover broadcast protocol between nodes in a cluster.
  - handoffwindow
    Prints current hinted handoff window.
  - help
    Displays nodetool command help.
  - info
    Prints node information, such as load and uptime.
  - inmemorystatus
    Returns a list of the in-memory tables and the amount of memory each table is using.
  - invalidatecountercache
    Resets global counter cache parameter to save all keys from the counter cache.
  - invalidatekeycache
    Clears the key cache.
  - invalidaterowcache
    Invalidates the row cache.
  - join
    Joins the node to the ring.
  - listendpointspendinghints
    Prints information about hints that the node has for other nodes.
  - leaksdetection
    Enables and configures memory leak tracking.
  - listsnapshots
    Lists snapshots, size on disk, and true size.
  - mark_unrepaired
    Marks all SSTables of a table or keyspace as unrepaired.
  - move
    Moves the node on the token ring to a new token.
  - netstats
    Prints network information about the host.
  - nodesyncservice
    Manage the NodeSync service on the connected node.
  - pausehandoff
    Pauses the hints delivery process.
  - proxyhistograms
    Provides a histogram of network operation statistics.
  - rangekeysample
    Shows the sampled keys held across all keyspaces.
  - rebuild
    Rebuilds data by streaming from other nodes.
  - rebuild_index
    Performs a full rebuild of native secondary indexes for a given table.
  - rebuild_view
    Performs a rebuild of the specified materialized views for a particular table for local data.
  - refresh
    Loads newly placed SSTables onto the system without a restart.
  - refreshsizeestimates
    Refresh system.size_estimates table.
  - reloadseeds
    Reloads the seed node list from the seed node provider.
  - reloadtriggers
    Reloads trigger classes.
  - relocatesstables
    Rewrites any SSTable to correct disk.
  - removenode
    Shows the status of current node removal; forces completion of pending removal, or removes identified node.
  - repair
    Repairs one or more tables in a cluster when all involved replicas are up and accessible..
  - replaybatchlog
    Kicks off batchlog replay and waits for finish.
  - resetlocalschema
    Drops the schema information of the local node and resynchronizes the schema from another node.
  - resume
    Restart a node's bootstrap process.
  - resumehandoff
    Resumes hints delivery process.
  - ring
    Provides node status and information about the ring.
  - scrub
    Rebuilds SSTables for one or more tables.
  - sequence
    Run multiple nodetool commands from a file, resource, or standard input (StdIn) sequentially.
  - setbatchlogreplaythrottle
    Sets batchlog replay throttle in KB per second, or 0 to disable throttling.
  - setcachecapacity
    Sets global key, row, and counter cache capacities in megabytes.
  - setcachekeystosave
    Sets the global number of keys saved by each cache for faster post-restart warmup.
  - setcompactionthreshold
    Sets minimum and maximum compaction thresholds for a table.
  - setcompactionthroughput
    Sets the throughput capacity for compaction in the system, or disables throttling.
  - setconcurrentcompactors
    Sets number of concurrent compactors.
  - setconcurrentviewbuilders
    Sets the number of simultaneous materialized view builder tasks.
  - sethintedhandoffthrottlekb
    Sets hinted handoff throttle in KB/sec per delivery thread.
  - setinterdcstreamthroughput
    Sets the inter-datacenter throughput capacity in megabits per second (Mbps) streaming.
  - setlogginglevel
    Sets the log level threshold for a given component or class.
  - setmaxhintwindow
    Sets the maximum time that the database generates hints for an unresponsive node.
  - 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.
  - sjk
    Runs Swiss Java Knife (SJK) commands to execute, troubleshoot, and monitor the database.
  - snapshot
    Creates a backup by taking a snapshot of table data.
  - status
    Provides information about the cluster, such as the state, load, and IDs.
  - statusbackup
    Provides status of incremental backup.
  - statusbinary
    Provides the status of native transport that defines the format of the binary message.
  - statusgossip
    Provides status of gossip.
  - statushandoff
    Provides status of storing future hints.
  - stop
    Stops compaction.
  - stopdaemon
    Stops cassandra daemon.
  - tablehistograms
    Provides current performance metrics for read and write operations during the past fifteen minutes.
  - tablestats
    Provides statistics about one or more tables.
  - toppartitions
    Samples database reads and writes and reports the most active partitions.
  - tpstats
    Prints usage statistics of thread pools.
  - truncatehints
    Truncates all hints on the local node or for one or more endpoints.
  - upgradesstables
    Rewrites SSTables for tables that are not running the current version of DataStax Enterprise.
  - verify
    Checks the data checksum for one or more tables.
  - version
    Provides the DSE database version.
  - viewbuildstatus
    Shows the progress of a materialized view build.
- dse commands
  The dse commands for starting the database and connecting an external client to a DataStax Enterprise node and performing common utility tasks.
- dse client-tool
  Connects an external client to a DataStax Enterprise node and performs common utility tasks.
- nodesync
  Modifies CQL nodesync property on one or more tables, enables tracing and monitoring.
- 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 utilities
  Diagnostic tools for analyzing, using, upgrading, and changing DataStax Enterprise SSTables.
- DataStax tools
  Tools that are installed separately and used across products.
- Preflight check tool
  The preflight check tool is a collection of tests that detects and optionally fixes configuration settings on DataStax Enterprise nodes.
- cluster_check and yaml_diff tools
  Using the cluster_check and yaml_diff tools to check 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.
Planning
Hardware selection, estimating disk capacity, anti-patterns, cluster testing and more.

nodetool cfhistograms

This tool has been renamed to tablehistograms.

This tool has been renamed to nodetool tablehistograms

General Inquiries: +1 (650) 389-6000 info@datastax.com

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Build time: 2023-03-29 08:45:58.357

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