17.1.8. pquery

pquery — query information from the host environment

17.1.8.1. SYNOPSIS

pquery [options] <KEY1>,<KEY2>,...

pquery requests the host environment for values associated with the provided keys

pquery accepts the following options:

-h | --help <arg0>: Show help message. If the optional argument is not provided, then a generalized help message similar to the information provided here is returned. If an argument is provided, then a more detailed help message for that specific command line option is returned.
-v | --verbose: Enable debug output.
-V | --version: Print version and exit.
--pmixmca <arg0> <arg1>: Set MCA parameter value
--uri <arg0>: Specify the URI of the server to which we are to connect, or the name of the file (specified as file:filename) that contains that info
--namespace <arg0>: Namespace of the daemon to which we should connect
--pid <arg0>: PID of the daemon to which we should connect (int => PID or file:<file> for file containing the PID
--system-server-first: First look for a system server and connect to it if found
--system-server: Connect to a system-level server
--tmpdir <arg0>: Set the root for the session directory tree
--wait-to-connect <arg0>: Delay specified number of seconds before trying to connect
--num-connect-retries <arg0>: Max number of times to try to connect

Keys passed to pquery may optionally include one or more qualifiers, with the individual qualifiers delimited by semi-colons. For example:

$ pquery "PMIX_STORAGE_XFER_SIZE[PMIX_STORAGE_ID=lustre1,lustre2;PMIX_STORAGE_PATH=foo]""

Returns 0 for success, or a non-zero value otherwise. Values returned by the query are printed to stdout.

Examples of using this command.