fs-stress tool
The fs-stress tool performs stress testing of the DSE File System (DSEFS) layer.
Synopsis
cassandra.yaml
The location of the cassandra.yaml file depends on the type of installation:| Package installations | /etc/dse/cassandra/cassandra.yaml |
| Tarball installations | installation_location/resources/cassandra/conf/cassandra.yaml |
fs-stress [options] dsefs_directory listen_addressThe default IP address is the listen_address property in the cassandra.yaml file. If not using localhost, specify the correct IP address.
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: installation_location/dse/tools
| Syntax conventions | Description |
|---|---|
| UPPERCASE | Literal keyword. |
| Lowercase | Not literal. |
Italics |
Variable value. Replace with a valid option or user-defined value. |
[ ] |
Optional. Square brackets ( [ ] ) surround optional command
arguments. Do not type the square brackets. |
( ) |
Group. Parentheses ( ( ) ) identify a group to choose from. Do
not type the parentheses. |
| |
Or. A vertical bar ( | ) separates alternative elements. Type
any one of the elements. Do not type the vertical bar. |
... |
Repeatable. An ellipsis ( ... ) indicates that you can repeat
the syntax element as often as required. |
'Literal string' |
Single quotation ( ' ) marks must surround literal strings in
CQL statements. Use single quotation marks to preserve upper case. |
{ key:value } |
Map collection. Braces ( { } ) enclose map collections or key
value pairs. A colon separates the key and the value. |
<datatype1,datatype2> |
Set, list, map, or tuple. Angle brackets ( < > ) enclose
data types in a set, list, map, or tuple. Separate the data types with a comma.
|
cql_statement; |
End CQL statement. A semicolon ( ; ) terminates all CQL
statements. |
[ -- ] |
Separate the command line options from the command arguments with two hyphens (
-- ). This syntax is useful when arguments might be mistaken for
command line options. |
' <schema> ... </schema>
' |
Search CQL only: Single quotation marks ( ' ) surround an entire
XML schema declaration. |
@xml_entity='xml_entity_type' |
Search CQL only: Identify the entity and literal value to overwrite the XML element in the schema and solrconfig files. |
Description
The fs-stress tool performs stress testing of the DSE File System
(DSEFS) layer.
| 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. |