dse cassandra
Starts the database in transactional mode. Command options start the database in other modes and enable advanced features on a node.
Starts the database in transactional mode. Command options start the database in other modes and enable advanced features on a node. See Starting DataStax Enterprise.
To change the DSE system properties on start up, see Setting system properties during startup.
Synopsis
dse cassandra [-k] [-s] [-g]
[-Dparameter_name=value]
[-f] [-h] [-p pidfile]
[-H JVM_dumpfile]
[-E JVM_errorfile]
-k
and -s
in
dse cassandra -k -s
.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. |
Options
- -k
- Start the node in analytics mode. The first time the node starts up the analytics workload type is configured.
- -g
- Start the node in graph mode. The first time the node starts up the graph workload type is configured.
- -s
- Start the node in search mode. The first time the node starts up the search workload type is configured.
- -E
- Change JVM error file.
- -f
- Start a real-time transactional node in the foreground.
- -h
- Display the usage and listing of the dse commands.
- -H
- Change JVM HeapDumpPath.
- -p pidfilepath
- Create the pid file. The pid file is typically used by monitoring processes and init scripts. Not compatible with -f option.
Examples
Start a node in transactional mode
dse cassandra
In the foreground, start a node in transactional mode
dse cassandra -f
Start a node in DSE Analytics mode
dse cassandra -k
Start a node in SearchAnalytics mode
dse cassandra -k -s
Ensure there is a space between -k
and -s
in dse
cassandra -k -s
.
Start a node in DSE Analytics, DSE Graph, and DSE Search modes
dse cassandra -k -g -s
Ensure there is a space between -k
, -g
, and
-s
in dse cassandra -k -g -s
.
Start a node in DSE Search mode and change the location of the search index data on the server
dse cassandra -s -Ddse.solr.data.dir=filepath
See Managing the location of DSE Search data.
Start a node in transactional mode without joining the ring
dse cassandra -Dcassandra.join_ring=false
Start a node in transactional mode to test compaction and compression strategies
dse cassandra -Dcassandra.write_survey=true
Experiment with different strategies and benchmark write performance differences without affecting the production workload. See Testing compaction and compression.
Start a node in transactional mode and pass the dead node IP address
dse cassandra -Dcassandra.replace_address=10.91.176.160
Start a node in transactional mode and create pid.txt
dse cassandra -p pid.txt