nodetool help - information and maintenance of cassandra nodes
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$ nodetool help usage: nodetool [(-pwf <passwordFilePath> | --password-file <passwordFilePath>)] [(-p <port> | --port <port>)] [(-u <username> | --username <username>)] [(-h <host> | --host <host>)] [(-pw <password> | --password <password>)] <command> [<args>] The most commonly used nodetool commands are: assassinate Forcefully remove a dead node without re-replicating any data. Use as a last resort if you cannot removenode bootstrap Monitor/manage node's bootstrap process cleanup Triggers the immediate cleanup of keys no longer belonging to a node. By default, clean all keyspaces clearsnapshot Remove the snapshot with the given name from the given keyspaces. If no snapshotName is specified we will remove all snapshots compact Force a (major) compaction on one or more tables compactionhistory Print history of compaction compactionstats Print statistics on compactions decommission Decommission the *node I am connecting to* describecluster Print the name, snitch, partitioner and schema version of a cluster describering Shows the token ranges info of a given keyspace disableautocompaction Disable autocompaction for the given keyspace and table disablebackup Disable incremental backup disablebinary Disable native transport (binary protocol) disablegossip Disable gossip (effectively marking the node down) disablehandoff Disable storing hinted handoffs disablehintsfordc Disable hints for a data center disablethrift Disable thrift server drain Drain the node (stop accepting writes and flush all tables) enableautocompaction Enable autocompaction for the given keyspace and table enablebackup Enable incremental backup enablebinary Reenable native transport (binary protocol) enablegossip Reenable gossip enablehandoff Reenable future hints storing on the current node enablehintsfordc Enable hints for a data center that was previsouly disabled enablethrift Reenable thrift server failuredetector Shows the failure detector information for the cluster flush Flush one or more tables gcstats Print GC Statistics getcompactionthreshold Print min and max compaction thresholds for a given table getcompactionthroughput Print the MB/s throughput cap for compaction in the system getendpoints Print the end points that owns the key getinterdcstreamthroughput Print the Mb/s throughput cap for inter-datacenter streaming in the system getlogginglevels Get the runtime logging levels getsstables Print the sstable filenames that own the key getstreamthroughput Print the Mb/s throughput cap for streaming in the system gettraceprobability Print the current trace probability value gossipinfo Shows the gossip information for the cluster help Display help information info Print node information (uptime, load, ...) invalidatecountercache Invalidate the counter cache invalidatekeycache Invalidate the key cache invalidaterowcache Invalidate the row cache join Join the ring listsnapshots Lists all the snapshots along with the size on disk and true size. move Move node on the token ring to a new token netstats Print network information on provided host (connecting node by default) pausehandoff Pause hints delivery process proxyhistograms Print statistic histograms for network operations rangekeysample Shows the sampled keys held across all keyspaces rebuild Rebuild data by streaming from other nodes (similarly to bootstrap) rebuild_index A full rebuild of native secondary indexes for a given table refresh Load newly placed SSTables to the system without restart refreshsizeestimates Refresh system.size_estimates reloadlocalschema Reload local node schema from system tables reloadtriggers Reload trigger classes removenode Show status of current node removal, force completion of pending removal or remove provided ID repair Repair one or more tables replaybatchlog Kick off batchlog replay and wait for finish resetlocalschema Reset node's local schema and resync resumehandoff Resume hints delivery process ring Print information about the token ring scrub Scrub (rebuild sstables for) one or more tables setcachecapacity Set global key, row, and counter cache capacities (in MB units) setcachekeystosave Set number of keys saved by each cache for faster post-restart warmup. 0 to disable setcompactionthreshold Set min and max compaction thresholds for a given table setcompactionthroughput Set the MB/s throughput cap for compaction in the system, or 0 to disable throttling sethintedhandoffthrottlekb Set hinted handoff throttle in kb per second, per delivery thread. setinterdcstreamthroughput Set the Mb/s throughput cap for inter-datacenter streaming in the system, or 0 to disable throttling setlogginglevel Set the log level threshold for a given class. If both class and level are empty/null, it will reset to the initial configuration setstreamthroughput Set the Mb/s throughput cap for streaming in the system, or 0 to disable throttling settraceprobability Sets the probability for tracing any given request to value. 0 disables, 1 enables for all requests, 0 is the default snapshot Take a snapshot of specified keyspaces or a snapshot of the specified table status Print cluster information (state, load, IDs, ...) statusbackup Status of incremental backup statusbinary Status of native transport (binary protocol) statusgossip Status of gossip statushandoff Status of storing future hints on the current node statusthrift Status of thrift server stop Stop compaction stopdaemon Stop cassandra daemon tablehistograms Print statistic histograms for a given table tablestats Print statistics on tables toppartitions Sample and print the most active partitions for a given column family tpstats Print usage statistics of thread pools truncatehints Truncate all hints on the local node, or truncate hints for the endpoint(s) specified. upgradesstables Rewrite sstables (for the requested tables) that are not on the current version (thus upgrading them to said current version) verify Verify (check data checksum for) one or more tables version Print cassandra version See 'nodetool help <command>' for more information on a specific command.
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