streamtool rmdomainhostconfig

Usage

rmdomainhostconfig [-d,--domain-id <did>] [--ipaddress] [--maximumJvmSize] [--initialJvmSize] [--restartcount] [-h,--help] [--trace <level>] [-v,--verbose <level>] [--zkconnect {<host>:<port>},... | --embeddedzk]

The streamtool rmdomainhostconfig command removes the specified domain controller service properties.

Authority

You must have root authority to run this command.

Description

This command removes the domain controller service properties that you specify. For some properties, removing the property results in resetting it to the default value. You must run this command on each system where the system service resides.

After you run this command, you must restart the system for the changes to occur. Use the stopdomainhost command to stop the system service, and the startdomainhost command to restart it.

Options

-d,--domain-id <did>
Specifies the domain identifier.

If you do not specify this option, Streams uses the domain name that is set in the STREAMS_DOMAIN_ID environment variable. By default, that domain name is StreamsDomain. If you are using the interactive streamtool interface, it uses the name of the active domain for the current streamtool session or else it prompts you for the domain name.

The active domain for the current streamtool session is set every time that you successfully run a streamtool command with a -d or --domain-id option. Alternatively, you can run the streamtool domain command in the interactive interface.

--embeddedzk

Specifies to use the embedded copy of ZooKeeper. This option is not supported within the interactive streamtool interface.

If you are not using the interactive streamtool interface and you do not specify either this option or the --zkconnect option, Streams uses the ZooKeeper connection that is associated with the active domain or the domain that is specified in the --domain-id option. Streams determines which connection maps to the domain by using cached information about the domains. In this scenario, if the domain identifier is not unique in the Streams configuration cache, the command fails.

-h,--help
Specifies to show the command syntax.
--initialJvmSize
Specifies to remove the initialJvmSize property from the Domain Controller system service. The property specifies the initial amount of memory, in megabytes, to allocate to the Java environment for the Domain Controller system service. The property will default to 512.
--ipaddress
Specifies the system service IP address.
--maximumJvmSize
Specifies to remove the maximumJvmSize property from the Domain Controller system service. The property specifies the maximum amount of memory, in megabytes, to allocate to the Java environment for the Domain Controller system service. The property defaults to 1024.
--restartcount
Specifies to remove the restartcount property from the Domain Controller system service. The property specifies the maximum number of times to attempt to restart the domain controller. The property defaults to 3.
--trace <level>
Specifies the trace setting. The following valid levels are listed in order of increasing verbosity, which is to say that the first level in the list generates the least amount of information:
  • off
  • error
  • warn
  • info
  • debug
  • trace
The default value is off.
-v,--verbose <level>
Specifies to provide more detailed command output. The verbosity level can be 0-3, where 0 disables detailed reporting and each increment provides more detailed output.
--zkconnect <{<host>:<port>},...>

The name of one or more host and port pairs that specify the configured ZooKeeper servers. This option is not supported within the interactive streamtool interface.

If you are not using the interactive streamtool interface and you do not specify this option, Streams tries to use:

  1. The --embeddedzk option
  2. The value from the STREAMS_ZKCONNECT environment variable
  3. A ZooKeeper connection string that is derived from cached information about the current domain.

Examples

The following command removes the restartcount property value from the host configuration in the domain StreamsDomain. This resets the value for restartcount to the default value. Then, the command restarts the system:

streamtool rmdomainhostconfig --domain-id StreamsDomain --restartcount
streamtool stopdomainhost
streamtool startdomainhost