nodesync tracing enable
Enables tracing.
Synopsis
nodesync <main_options> tracing enable
[(-c | --color)]
[(-f | --follow)]
[(-l <level_name> | --level <level_name>)]
[(-n <node_list> | --nodes <node_list>)]
[--quiet]
[(-t <seconds> | --timeout <seconds>)]
[--tables <table_list>]
[(-v | --verbose)]
Syntax conventions | Description |
---|---|
UPPERCASE |
Literal keyword. |
Lowercase |
Not literal. |
<`Italics>` |
Variable value. Replace with a valid option or user-defined value. |
|
Optional.
Square brackets ( |
|
Group.
Parentheses ( |
|
Or.
A vertical bar ( |
|
Repeatable.
An ellipsis ( |
|
Single quotation ( |
|
Map collection.
Braces ( |
|
Set, list, map, or tuple.
Angle brackets ( |
|
End CQL statement.
A semicolon ( |
|
Separate the command line options from the command arguments with two hyphens ( |
|
Search CQL only: Single quotation marks ( |
|
Search CQL only: Identify the entity and literal value to overwrite the XML element in the schema and solrconfig files. |
Main options
The following options apply to all nodesync
commands.
- -ca, --cql-auth-provider cql_Authprovider
-
CQL auth provider class name.
- -cp, --cql-password cql_password
-
CQL password.
- -cs | --cql-ssl
-
Use SSL for CQL connection.
- -cu, --cql-username cql_username
-
CQL username.
- -h, --host cql_host
-
Connect to the specified remote CQL host.
- help
-
Displays options and usage instructions. Use
nodesync help subcommand
for more information on a specific command.
- -jp, --jmx-password jmx_password
-
JMX password.
- -jpf, --jmx-password-file jmx_password_file
-
Path to JMX password file.
- -js | --jmx-ssl
-
Use SSL for JMX.
- -ju, --jmx-username jmx_username
-
JMX username.
- -p, --port cql_port
-
Connection port for CQL.
- -k, --keyspace keyspace_name
-
Specify a default keyspace for unqualified table names or wildcards in the
table_list
.Successfully run
nodesync disable
andnodesync enable
commands on alterable keyspaces;system_distributed
keyspace or auser-created
keyspace. An error results when attempting to run these commands on an unalterable keyspace such assystem_auth
.Success example:
nodesync disable -v -k system_distributed "*" Nodesync disabled for system_distributed.nodesync_status Nodesync disabled for system_distributed.backups ... Nodesync disabled for system_distributed.repair_history
Error example:
nodesync disable -v -k system_auth "*" Error: Keyspace [system_auth] is not alterable.
Use a CQL command to enable or disable nodesync for unalterable keyspaces such as a
system_*
keyspace.Example:
ALTER TABLE system_auth.roles WITH nodesync = {'enabled': 'false'};
- --quiet
-
Suppress warning and error messages.
- -v | --verbose
-
Display all messages.
- --
-
Separates table list from the rest of the command.
- table_list
-
Target tables using any of the following methods:
-
Qualified table names:
keyspace_name.table_name
. For example,cycling.comments
. -
Default keyspace -k option with:
-
Unqualified table names. For example
-k cycling cyclist_alt_stats comments cyclist_races
. -
An asterisk in double quotes to select all tables. For example,
-k cycling "*"
.
-
-
- -n, --nodes node_list
-
Only disable tracing on the listed nodes. Specify the host name or IP address in a comma separated list.
Default: all nodes.
- --quiet
-
Suppresses messages from displaying on
stdout
.
Enable options
- -c, --color
-
If --follow is used, color each trace event according from which host it originates from
- -f, --follow
-
After having enabled tracing, continuously show the trace events,showing new events as they come. Note that this won’t exit unless you either manually exit (with Ctrl-c) or use a timeout (--timeout option).
- -l <levelStr>, --level <levelStr>
-
The tracing level: either 'low' or 'high'. If omitted, the 'low' level is used. Note that the 'high' level is somewhat verbose and should be used with care.
- -n, --nodes node_list
-
Only disable tracing on the listed nodes. Specify the host name or IP address in a comma separated list.
Default: all nodes.
- --quiet
-
Suppresses messages from displaying on
stdout
.
- -t <timeoutStr>, --timeout <timeoutStr>
-
Timeout on the tracing; after that amount of time, tracing will be automatically disabled (and if --follow is used, the command will return). This default in seconds, but a 's', 'm' or 'h' suffix can be used for seconds, minutes or hours respectively.
- --tables <tableStr>
-
A comma separated list of fully-qualified table names to trace. If omitted, all tables are trace.
- -v, --verbose
-
Verbose output.
Examples
Enable tracing on all nodes
nodesync tracing enable
When the CQL host and JMX port is not specified, the local IP and default port are used. Tracing
Warning: Do not forget to stop tracing with 'nodesync tracing disable'.
Enabled tracing. Session id is e60dfd70-eb5a-11e7-8bde-b5dcb560a8ef