cfs-stress tool

The cfs-stress tool performs stress testing of the Cassandra File System (CFS) layer.

Synopsis

cfs-stress [options] cfs_directory listen_address

The default IP address is the listen_address property in the cassandra.yaml file. If not using localhost, specify the correct IP address.

Table 1. Legend
Syntax conventions Description
Italics Variable value. Replace with a 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.
[ -- ] 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.

Description

The cfs-stress tool performs stress testing of the Cassandra File System (CFS) 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.

cassandra.yaml

The location of the cassandra.yaml file depends on the type of installation:

Package installations
Installer-Services installations

/etc/dse/cassandra/cassandra.yaml

Tarball installations
Installer-No Services installations

installation_location/resources/cassandra/conf/cassandra.yaml