fs-stress tool
The fs-stress tool performs stress testing of the DSE File System (DSEFS) layer.
fs-stress is located in the tools directory of your installation.
The default location of the tools directory depends on the type of installation:
-
Package installations:
/usr/share/dse/tools -
Tarball installations:
INSTALL_DIRECTORY/dse/tools
Synopsis
fs-stress [<options>] <dsefs_directory> <listen_address>
Syntax legend
| Syntax conventions | Description |
|---|---|
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, use angle brackets 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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Use single quotation marks to 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. |
The default IP address is the listen_address property in the cassandra.yaml file.
If not using localhost, specify the correct IP address.
The result includes information about the stress test:
| Data | Description |
|---|---|
progress |
Total progress of the stress operation. |
bytes |
Total bytes written/read. |
curr rate |
Current rate of bytes being written/read per second. |
avg rate |
Average rate of bytes being written/read per second. |
max latency |
Maximum latency in milliseconds during the current reporting window. |