nodetool

A command line interface for monitoring a cluster and performing routine database operations.

Abort a currently running rebuild operation. Completes processing of active streams, but no new streams are started.

Forcefully removes a dead node without re-replicating any data. It is a last resort tool if you cannot successfully use nodetool removenode.

Monitor and manage a node’s bootstrap process.

This tool has been renamed to tablehistograms.

This tool has been renamed nodetool tablestats.

Immediately cleans up keyspaces that no longer belong to a node.

Removes one or more snapshots.

Forces a major compaction on one or more tables.

Provides the history of compaction operations.

Provide statistics about a compaction.

Deactivates a node by streaming its data to another node.

Provide the name, snitch, partitioner and schema version of a cluster.

Provides the partition ranges of a keyspace.

Disables autocompaction for a keyspace and one or more tables on the current node only.

Disables incremental backup.

Disables the native transport.

Disables the gossip protocol.

Disables storing of future hints on the current node.

Disable hints for a datacenter.

Disables the Thrift server.

Drains the node.

Enables autocompaction for a keyspace and one or more tables.

Enables incremental backup.

Re-enables native transport.

Re-enables gossip.

Re-enables the storing of future hints on the current node.

Enable hints for a datacenter.

Re-enables the Thrift server.

Shows the failure detector information for the cluster.

Flushes one or more tables from the memtable.

Remove deleted data from one or more tables.

Gets the global key, row, and counter cache capacities in megabytes.

Gets the global number of keys saved by counter cache, key cache, and row cache.

Print garbage collection (GC) statistics.

Provides the minimum and maximum compaction thresholds in megabytes for a table.

Print the throughput cap in megabytes (MB) per second for compaction in the system.

Get the number of concurrent compactors in the system.

Provides the IP addresses or names of replicas that own the partition key.

Prints the throughput cap in Megabits per second (Mbps) for inter-datacenter streaming.

Get the runtime logging levels.

Refreshes the IP address of the seed node currently in use, as listed by the seed provider.

Provides the SSTables that own the partition key.

Provides the Mb per second outbound throughput limit for streaming in the system.

Print the timeout value of the given type in milliseconds.

Get the probability for tracing a request.

Provides the gossip information for the cluster.

Provides nodetool command help.

Gets the hinted handoff throttle in KB/sec per delivery thread.

Provides node information, such as load and uptime.

Clears the counter cache.

Clears the key cache.

Invalidates the row cache.

Causes the node to join the ring.

Prints information about hints that the node has for other nodes.

Lists snapshot names, size on disk, and true size.

Mark all target SSTables as unrepaired.

Moves the node on the token ring to a new token.

Provides network information about the host.

Pauses the hints delivery process.

Provides a histogram of network statistics.

Provides the sampled keys held across all keyspaces.

Rebuilds data on a node by streaming from another datacenter.

Performs a full rebuild of the index for a table.

Performs a rebuild of the specified materialized views for a particular table for local data.

Loads newly placed SSTables onto the system without a restart.

Refresh system.size_estimates table.

Reload local node schema from system tables.

Reloads trigger classes.

Reloads the seed node list from the seed node provider.

Rewrites any SSTable that contains tokens that should be in another data directory.

Provides the status of current node removal, forces completion of pending removal, or removes the identified node.

Repairs one or more tables.

Replay batchlog and wait for finish.

Reset the node’s local schema and resynchronizes.

Restart a node’s bootstrap process.

Resume hints delivery process.

Provides node status and information about the ring.

Rebuilds SSTables for one or more tables.

Run multiple nodetool commands from a file, resource, or standard input (StdIn) sequentially.

Sets global key, row, and counter cache capacities in megabytes.

Sets the global number of keys saved by each cache for faster post-restart warmup.

Sets minimum and maximum compaction thresholds for a table.

Sets the throughput capacity for compaction in the system, or disables throttling.

Sets number of concurrent compactors.

Sets hinted handoff throttle in KB/sec per delivery thread.

Sets the inter-datacenter throughput capacity in megabits per second (Mbps) streaming.

Sets the log level threshold for a given component or class.

Sets the throughput capacity in megabits per second (Mb/s) for outbound streaming in the system.

Temporarily sets the timeout for the given timeout type.

Sets the probability for tracing a request.

Runs Swiss Java Knife (SJK) commands to execute, troubleshoot, and monitor the database using MBeans.

Backs up data and table schemas.

Provide information about the cluster, such as the state, load, and IDs.

Provide the status of backup.

Provide the status of native transport.

Provide the status of gossip.

Provides the status of hinted handoff.

Provide the status of the Thrift server.

Stops the compaction process.

Stops the cassandra daemon.

Provides current performance metrics for read and write operations during the past fifteen minutes.

Provides statistics about one or more tables.

Samples database reads and writes and reports the most active partitions in a specified table.

Provides usage statistics of thread pools.

Truncates all hints on the local node, or truncates hints for the one or more endpoints.

Rewrites SSTables for tables that are not running the current version of DataStax Enterprise.

Verify (check data checksum for) one or more tables.

Provides the version number of Cassandra running on the specified node.

Shows the progress of a materialized view build.