nodetool clearsnapshot
Removes one or more snapshots from one or more keyspaces. Run this command to free up disk space that the snapshots occupy. Snapshots do not delete automatically. For more, see Deleting snapshot files.
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This command deletes the backup of your node. |
A single snapshot requires little disk space. However, snapshots can cause your disk usage to grow more quickly over time because a snapshot prevents old, obsolete data files from being deleted. You can leave completed snapshot files in place or move them to another location if needed.
Synopsis
nodetool [<connection_options>] clearsnapshot
[--all | -t <snapshotname>] [--] [<keyspace_name>]
Syntax legend
| Syntax conventions | Description |
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Italic, bold, or |
Syntax diagrams and code samples use one or more of these styles to mark placeholders for variable values. Replace placeholders with a valid option or your own user-defined value. In CQL statements, angle brackets are required to enclose data types in a set, list, map, or tuple.
Separate the data types with a comma.
For example: In Search CQL statements, angle brackets are used to identify the entity and literal value to overwrite the XML element in the schema and |
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Square brackets surround optional command arguments. Do not type the square brackets. |
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Parentheses identify a group to choose from. Do not type the parentheses. |
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A pipe separates alternative elements. Type any one of the elements. Do not type the pipe. |
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Indicates that you can repeat the syntax element as often as required. |
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Single quotation marks must surround literal strings in CQL statements.
Use single quotation marks to preserve upper case.
+
For Search CQL only: Single quotation marks surround an entire XML schema declaration, such as |
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Map collection.
Curly braces enclose maps ( |
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Ends a CQL statement. |
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Separate command line options from command arguments with two hyphens. This syntax is useful when arguments might be mistaken for command line options. |
Options
If an option has a short and long form, both forms are given, separated by a comma.
- -h, --host hostname
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The hostname or IP address of a remote node or nodes. When omitted, the default is the local machine.
- -p, --port jmx_port
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The JMX port number.
- -pw, --password jmxpassword
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The JMX password for authenticating with secure JMX. If a password is not provided, you are prompted to enter one.
- -pwf, --password-file jmx_password_filepath
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The filepath to the file that stores JMX authentication credentials.
- -u, --username jmx_username
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The username for authenticating with secure JMX.
- --all
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Removes all snapshots.
- keyspace_name
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Keyspace name.
Default: All keyspaces
- -t snapshotname, --tag snapshotname
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The snapshot filepath. To remove all snapshots, omit the snapshot filepath.
Examples
Delete all snapshots for a node
nodetool clearsnapshot --all
Results:
Requested clearing snapshot(s) for [cycling] with [all snapshots]
Delete tagged snapshot
nodetool clearsnapshot -t cycling_2017-3-9
Results:
Requested clearing snapshot(s) for [all keyspaces] with snapshot name [cycling_2017-3-9]