2019-02-01 21:19:28 +08:00
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.\" vim:ft=nroff:
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.\" The contents of this file are subject to the Mozilla Public License
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.\" Version 1.1 (the "License"); you may not use this file except in
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.\" compliance with the License. You may obtain a copy of the License
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2019-03-20 16:21:37 +08:00
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.\" at https://www.mozilla.org/MPL/
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2019-02-01 21:19:28 +08:00
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.\"
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.\" Software distributed under the License is distributed on an "AS IS"
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.\" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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.\" the License for the specific language governing rights and
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.\" limitations under the License.
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.\"
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.\" The Original Code is RabbitMQ.
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.\"
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.\" The Initial Developer of the Original Code is Pivotal Software, Inc.
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.\" Copyright (c) 2007-2019 Pivotal Software, Inc. All rights reserved.
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.\"
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.Dd January 29, 2019
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.Dt RABBITMQ-DIAGNOSTICS 8
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.Os "RabbitMQ Server"
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.Sh NAME
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.Nm rabbitmq-diagnostics
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.Nd RabbitMQ diagnostics, monitoring and health checks tools
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.\" ------------------------------------------------------------------
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.Sh SYNOPSIS
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.\" ------------------------------------------------------------------
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.Nm
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.Op Fl q
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.Op Fl s
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.Op Fl l
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.Op Fl n Ar node
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.Op Fl t Ar timeout
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.Ar command
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.Op Ar command_options
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.\" ------------------------------------------------------------------
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.Sh DESCRIPTION
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.\" ------------------------------------------------------------------
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.Nm
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is a command line tool that provides commands used for diagnostics, monitoring
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and health checks of RabbitMQ nodes.
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See the
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.Lk https://www.rabbitmq.com/documentation.html "RabbitMQ documentation guides"
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to learn more about RabbitMQ diagnostics, monitoring and health checks.
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.Nm
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2019-02-03 09:42:00 +08:00
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allows the operator to inspect node and cluster state. A number of
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health checks are available to be used interactively and by monitoring tools.
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2019-02-01 21:19:28 +08:00
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.Pp
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2019-02-03 09:42:00 +08:00
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By default if it is not possible to connect to and authenticate with the target node
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(for example if it is stopped), the operation will fail.
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2019-02-01 21:19:28 +08:00
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To learn more, see the
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2019-02-03 09:42:00 +08:00
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.Lk https://www.rabbitmq.com/monitoring.html "RabbitMQ Monitoring guide"
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2019-02-01 21:19:28 +08:00
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.
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.\" ------------------------------------------------------------------
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.Sh OPTIONS
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.\" ------------------------------------------------------------------
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.Bl -tag -width Ds
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.It Fl n Ar node
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Default node is
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.Qq Pf rabbit@ Ar target-hostname ,
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where
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.Ar target-hostname
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is the local host.
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On a host named
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.Qq myserver.example.com ,
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the node name will usually be
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.Qq rabbit@myserver
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(unless
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.Ev RABBITMQ_NODENAME
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has been overridden).
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The output of
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.Qq hostname -s
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is usually the correct suffix to use after the
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.Qq @
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sign.
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See
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.Xr rabbitmq-server 8
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for details of configuring a RabbitMQ node.
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.It Fl q , -quiet
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Quiet output mode is selected.
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Informational messages are reduced when quiet mode is in effect.
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.It Fl s , -silent
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Silent output mode is selected.
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Informational messages are reduced and table headers are suppressed when silent mode is in effect.
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.It Fl t Ar timeout , Fl -timeout Ar timeout
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Operation timeout in seconds.
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Not all commands support timeouts.
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Default is
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.Cm infinity .
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.It Fl l , Fl -longnames
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Must be specified when the cluster is configured to use long (FQDN) node names.
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To learn more, see the
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.Lk https://www.rabbitmq.com/clustering.html "RabbitMQ Clustering guide"
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.It Fl -erlang-cookie Ar cookie
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Shared secret to use to authenticate to the target node.
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Prefer using a local file or the
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.Ev RABBITMQ_ERLANG_COOKIE
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environment variable instead of specifying this option on the command line.
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To learn more, see the
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.Lk https://www.rabbitmq.com/cli.html "RabbitMQ CLI Tools guide"
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.El
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.\" ------------------------------------------------------------------
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.Sh COMMANDS
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2019-02-03 09:42:00 +08:00
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.\" ------------------------------------
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.Pp
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2019-02-12 06:09:02 +08:00
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Most commands provided by
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.Nm
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inspect node and cluster state or perform health checks.
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.Pp
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Commands that list topology entities (e.g. queues) use tab as column delimiter.
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2019-02-03 09:42:00 +08:00
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These commands and their arguments are delegated to rabbitmqctl(8).
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.Pp
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Some commands (
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.Cm list_queues ,
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.Cm list_exchanges ,
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.Cm list_bindings
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and
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.Cm list_consumers )
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accept an optional
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.Ar vhost
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parameter.
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.Pp
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The
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.Cm list_queues ,
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.Cm list_exchanges
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and
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.Cm list_bindings
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commands accept an optional virtual host parameter for which to display
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results.
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The default value is
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.Qq / .
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.Bl -tag -width Ds
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.\" ------------------------------------
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2019-02-03 12:02:27 +08:00
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.It Cm help
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.Pp
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Displays general help and commands supported by
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.Nm .
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.\" ------------------------------------
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.It Cm ping
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.Pp
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Most basic health check. Succeeds if target node (runtime) is running
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and
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.Nm
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can authenticate with it successfully.
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.\" ------------------------------------
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.It Cm memory_breakdown Op Fl -unit Ar memory_unit
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.Pp
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Displays node's memory usage by category.
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Supported memory units are:
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.Bl -bullet
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.It
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bytes
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.It
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megabytes
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.It
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gigabytes
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.It
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terabytes
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.El
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.Pp
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See
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.Lk https://www.rabbitmq.com/memory-use.html "RabbitMQ Memory Use guide"
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to learn more.
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.Pp
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Example:
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2019-02-06 10:48:58 +08:00
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.sp
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.Dl rabbitmq-diagnostics memory_breakdown --unit gigabytes
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2019-02-03 12:02:27 +08:00
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.\" ------------------------------------
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.It Cm server_version
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.Pp
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Reports target node's version.
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.Pp
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Example:
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.Sp
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2019-02-06 10:48:58 +08:00
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.Dl rabbitmq-diagnostics server_version -q
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2019-02-03 12:02:27 +08:00
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.\" ------------------------------------
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.It Cm erlang_version
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.Pp
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Reports target node's Erlang/OTP version.
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.Pp
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Example:
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.Sp
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2019-02-06 10:48:58 +08:00
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.Dl rabbitmq-diagnostics erlang_version -q
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2019-02-03 12:02:27 +08:00
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.\" ------------------------------------
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.It Cm maybe_stuck
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.Pp
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Periodically samples stack traces of all Erlang processes
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("lightweight threads") on the node. Reports the processes for which
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stack trace samples are identical.
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.Pp
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Identical samples may indicate that the process is not making any progress
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but is not necessarily an indication of a problem.
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.Pp
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Example:
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.Sp
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2019-02-06 10:48:58 +08:00
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.Dl rabbitmq-diagnostics maybe_stuck -q
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2019-02-03 12:02:27 +08:00
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.\" ------------------------------------
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.It Cm runtime_thread_stats Op Fl -sample-interval Ar interval
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.Pp
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Performs sampling of runtime (kernel) threads' activity for
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.Ar interval
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seconds and reports it.
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.Pp
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For this command to work, Erlang/OTP on the target node must be compiled with
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microstate accounting support and have the runtime_tools package available.
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.Pp
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Example:
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.Sp
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.Dl rabbitmq-diagnostics runtime_thread_stats --sample-interval 15
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2019-02-03 12:02:27 +08:00
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.\" ------------------------------------
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.It Cm tls_versions
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.Pp
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Lists all TLS versions supported by the runtime on the target node.
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Note that RabbitMQ can be configured to only accept a subset of those
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versions, for example, SSLv3 is disabled by default.
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.Pp
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See
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.Lk https://www.rabbitmq.com/ssl.html "RabbitMQ TLS guide"
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to learn more.
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.Pp
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Example:
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.Sp
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2019-02-06 10:48:58 +08:00
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.Dl rabbitmq-diagnostics tls_versions -q
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2019-02-03 12:02:27 +08:00
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.\" ------------------------------------
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.It Cm erlang_cookie_hash
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.Pp
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Outputs a hashed value of the shared secret used by the target node
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to authenticate CLI tools and peers. The value can be compared with the hash
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found in error messages of CLI tools.
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.Pp
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See
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.Lk https://www.rabbitmq.com/clustering.html#erlang-cookie "RabbitMQ Clustering guide"
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to learn more.
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.Pp
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Example:
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.Sp
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2019-02-06 10:48:58 +08:00
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.Dl rabbitmq-diagnostics erlang_cookie_hash -q
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2019-02-03 12:02:27 +08:00
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.\" ------------------------------------
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.It Cm discover_peers
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.Pp
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Runs a peer discovery on the target node and prints the discovered nodes, if any.
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.Pp
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See
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.Lk https://www.rabbitmq.com/cluster-formation.html "RabbitMQ Cluster Formation guide"
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to learn more.
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.Pp
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Example:
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.Sp
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2019-02-06 10:48:58 +08:00
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.Dl rabbitmq-diagnostics discover_peers --timeout 60
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2019-02-03 12:02:27 +08:00
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.\" ------------------------------------
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.It Cm list_channels Op Ar channelinfoitem ...
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See
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.Cm list_channels
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in
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.Xr rabbitmqctl 8
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.\" ------------------------------------
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2019-02-03 09:42:00 +08:00
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.It Cm list_queues Oo Fl p Ar vhost Oc Oo Fl -offline | Fl -online | Fl -local Oc Op Ar queueinfoitem ...
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See
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.Cm list_queues
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in
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.Xr rabbitmqctl 8
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.\" ------------------------------------
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.It Cm list_exchanges Oo Fl p Ar vhost Oc Op Ar exchangeinfoitem ...
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See
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.Cm list_exchanges
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in
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.Xr rabbitmqctl 8
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.\" ------------------------------------
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.It Cm list_bindings Oo Fl p Ar vhost Oc Op Ar bindinginfoitem ...
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See
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.Cm list_bindings
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in
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.Xr rabbitmqctl 8
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.\" ------------------------------------
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.It Cm list_connections Op Ar connectioninfoitem ...
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See
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.Cm list_connections
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in
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.Xr rabbitmqctl 8
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.\" ------------------------------------
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.It Cm list_channels Op Ar channelinfoitem ...
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See
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.Cm list_channels
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in
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.Xr rabbitmqctl 8
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.\" ------------------------------------
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.It Cm list_consumers Op Fl p Ar vhost
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See
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.Cm list_consumers
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in
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.Xr rabbitmqctl 8
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.\" ------------------------------------
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2019-02-06 09:04:20 +08:00
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.It Cm alarms
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.Pp
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Lists resource alarms, if any, in the cluster.
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.Pp
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See
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.Lk https://www.rabbitmq.com/alarms.html "RabbitMQ Resource Alarms guide"
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to learn more.
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.Pp
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Example:
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.Sp
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2019-02-06 10:48:58 +08:00
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.Dl rabbitmq-diagnostics alarms
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2019-02-06 09:04:20 +08:00
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.\" ------------------------------------
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.It Cm listeners
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.Pp
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Lists listeners (bound sockets) on this node. Use this to inspect
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what protocols and ports the node is listening on for client, CLI tool
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and peer connections.
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.Pp
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See
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.Lk https://www.rabbitmq.com/networking.html "RabbitMQ Networking guide"
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to learn more.
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.Pp
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Example:
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.Sp
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2019-02-06 10:48:58 +08:00
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.Dl rabbitmq-diagnostics listeners
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2019-02-06 09:04:20 +08:00
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.\" ------------------------------------
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.It Cm is_running
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.Pp
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Reports if RabbitMQ application is fully booted and running (that is, not stopped) on
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the target node.
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.Pp
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Example:
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.Sp
|
2019-02-06 10:48:58 +08:00
|
|
|
.Dl rabbitmq-diagnostics is_running
|
2019-02-06 09:04:20 +08:00
|
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|
.\" ------------------------------------
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|
|
.It Cm is_booting
|
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|
.Pp
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|
Reports if RabbitMQ application is currently booting (not booted/running or stopped) on
|
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|
|
the target node.
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|
.Pp
|
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|
|
Example:
|
|
|
|
|
.Sp
|
2019-02-06 10:48:58 +08:00
|
|
|
.Dl rabbitmq-diagnostics is_booting
|
2019-02-06 09:04:20 +08:00
|
|
|
.\" ------------------------------------
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|
check_port_connectivity [-t <timeout>]
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|
.\" ------------------------------------
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.It Cm check_running
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.Pp
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|
Health check that fails (returns with a non-zero code) if the RabbitMQ
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|
application is not running on the target node.
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|
.Pp
|
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|
|
If
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|
|
.Cm rabbitmqctl(8)
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|
was used to stop the application, this check will fail.
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.Pp
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|
|
Example:
|
|
|
|
|
.Sp
|
2019-02-06 10:48:58 +08:00
|
|
|
.Dl rabbitmq-diagnostics check_running
|
2019-02-06 09:04:20 +08:00
|
|
|
.\" ------------------------------------
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|
.It Cm check_local_alarms
|
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|
.Pp
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|
Health check that fails (returns with a non-zero code) if there are alarms
|
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|
|
in effect on the target node.
|
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|
|
.Pp
|
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|
See
|
|
|
|
|
.Lk https://www.rabbitmq.com/alarms.html "RabbitMQ Resource Alarms guide"
|
|
|
|
|
to learn more.
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|
.Pp
|
|
|
|
|
Example:
|
|
|
|
|
.Sp
|
2019-02-06 10:48:58 +08:00
|
|
|
.Dl rabbitmq-diagnostics check_local_alarms
|
2019-02-06 09:04:20 +08:00
|
|
|
.\" ------------------------------------
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|
|
.It Cm check_alarms
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|
.Pp
|
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|
Health check that fails (returns with a non-zero code) if there are alarms
|
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|
|
|
in effect on any of the cluster nodes.
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|
|
.Pp
|
|
|
|
|
See
|
|
|
|
|
.Lk https://www.rabbitmq.com/alarms.html "RabbitMQ Resource Alarms guide"
|
|
|
|
|
to learn more.
|
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|
.Pp
|
|
|
|
|
Example:
|
|
|
|
|
.Sp
|
2019-02-06 10:48:58 +08:00
|
|
|
.Dl rabbitmq-diagnostics check_alarms
|
2019-02-06 09:04:20 +08:00
|
|
|
.\" ------------------------------------
|
|
|
|
|
.It Cm check_port_connectivity
|
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|
.Pp
|
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|
Health check that fails (returns with a non-zero code) if any listener ports
|
|
|
|
|
on the target node cannot accept a new TCP connection opened by
|
|
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|
|
.Nm.
|
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|
|
The check only validates if a new TCP connection is accepted. It does not
|
|
|
|
|
perform messaging protocol handshake or authenticate.
|
|
|
|
|
.Pp
|
|
|
|
|
See
|
|
|
|
|
.Lk https://www.rabbitmq.com/networking.html "RabbitMQ Networking guide"
|
|
|
|
|
to learn more.
|
|
|
|
|
.Pp
|
|
|
|
|
Example:
|
|
|
|
|
.Sp
|
2019-02-06 10:48:58 +08:00
|
|
|
.Dl rabbitmq-diagnostics check_port_connectivity
|
2019-02-06 09:04:20 +08:00
|
|
|
.\" ------------------------------------
|
|
|
|
|
.It Cm check_protocol_listener
|
|
|
|
|
.Pp
|
|
|
|
|
Health check that fails (returns with a non-zero code) if the target node
|
|
|
|
|
does not have a listener for the specified protocol.
|
|
|
|
|
.Pp
|
|
|
|
|
See
|
|
|
|
|
.Lk https://www.rabbitmq.com/networking.html "RabbitMQ Networking guide"
|
|
|
|
|
to learn more.
|
|
|
|
|
.Pp
|
|
|
|
|
Example:
|
|
|
|
|
.Sp
|
2019-02-06 10:48:58 +08:00
|
|
|
.Dl rabbitmq-diagnostics check_protocol_listener mqtt
|
2019-02-06 09:04:20 +08:00
|
|
|
.\" ------------------------------------
|
|
|
|
|
.It Cm check_port_listener
|
|
|
|
|
.Pp
|
|
|
|
|
Health check that fails (returns with a non-zero code) if the target node
|
|
|
|
|
is not listening on the specified port (there is no listener that
|
|
|
|
|
uses that port).
|
|
|
|
|
.Pp
|
|
|
|
|
See
|
|
|
|
|
.Lk https://www.rabbitmq.com/networking.html "RabbitMQ Networking guide"
|
|
|
|
|
to learn more.
|
|
|
|
|
.Pp
|
|
|
|
|
Example:
|
|
|
|
|
.Sp
|
2019-02-06 10:48:58 +08:00
|
|
|
.Dl rabbitmq-diagnostics check_port_listener 5672
|
2019-02-06 09:04:20 +08:00
|
|
|
.\" ------------------------------------
|
2019-02-03 09:42:00 +08:00
|
|
|
.It Cm status
|
|
|
|
|
See
|
|
|
|
|
.Cm status
|
|
|
|
|
in
|
|
|
|
|
.Xr rabbitmqctl 8
|
|
|
|
|
.\" ------------------------------------
|
2019-02-03 12:02:27 +08:00
|
|
|
.It Cm cluster_status
|
|
|
|
|
See
|
|
|
|
|
.Cm cluster_status
|
|
|
|
|
in
|
|
|
|
|
.Xr rabbitmqctl 8
|
|
|
|
|
.\" ------------------------------------
|
2019-02-03 09:42:00 +08:00
|
|
|
.It Cm environment
|
|
|
|
|
See
|
|
|
|
|
.Cm environment
|
|
|
|
|
in
|
|
|
|
|
.Xr rabbitmqctl 8
|
|
|
|
|
.\" ------------------------------------
|
|
|
|
|
.It Cm report
|
|
|
|
|
See
|
|
|
|
|
.Cm report
|
|
|
|
|
in
|
|
|
|
|
.Xr rabbitmqctl 8
|
|
|
|
|
.\" ------------------------------------
|
|
|
|
|
.It Cm list_global_parameters
|
|
|
|
|
See
|
|
|
|
|
.Cm list_global_parameters
|
|
|
|
|
in
|
|
|
|
|
.Xr rabbitmqctl 8
|
|
|
|
|
.\" ------------------------------------
|
|
|
|
|
.It Cm list_operator_policies Op Fl p Ar vhost
|
|
|
|
|
See
|
|
|
|
|
.Cm list_operator_policies
|
|
|
|
|
in
|
|
|
|
|
.Xr rabbitmqctl 8
|
|
|
|
|
.\" ------------------------------------
|
|
|
|
|
.It Cm list_parameters Op Fl p Ar vhost
|
|
|
|
|
See
|
|
|
|
|
.Cm list_parameters
|
|
|
|
|
in
|
|
|
|
|
.Xr rabbitmqctl 8
|
2019-02-01 21:19:28 +08:00
|
|
|
.\" ------------------------------------------------------------------
|
2019-02-03 09:42:00 +08:00
|
|
|
.It Cm list_permissions Op Fl p Ar vhost
|
|
|
|
|
See
|
|
|
|
|
.Cm list_permissions
|
|
|
|
|
in
|
|
|
|
|
.Xr rabbitmqctl 8
|
|
|
|
|
.\" ------------------------------------
|
|
|
|
|
.It Cm list_policies Op Fl p Ar vhost
|
|
|
|
|
See
|
|
|
|
|
.Cm list_policies
|
|
|
|
|
in
|
|
|
|
|
.Xr rabbitmqctl 8
|
|
|
|
|
.\" ------------------------------------
|
|
|
|
|
.It Cm list_topic_permissions Op Fl p Ar vhost
|
|
|
|
|
See
|
|
|
|
|
.Cm list_topic_permissions
|
|
|
|
|
in
|
|
|
|
|
.Xr rabbitmqctl 8
|
|
|
|
|
.\" ------------------------------------
|
|
|
|
|
.It Cm list_user_permissions Ar username
|
|
|
|
|
See
|
|
|
|
|
.Cm list_user_permissions
|
|
|
|
|
in
|
|
|
|
|
.Xr rabbitmqctl 8
|
|
|
|
|
.\" ------------------------------------
|
|
|
|
|
.It Cm list_user_topic_permissions Ar username
|
|
|
|
|
See
|
|
|
|
|
.Cm list_user_topic_permissions
|
|
|
|
|
in
|
|
|
|
|
.Xr rabbitmqctl 8
|
|
|
|
|
.\" ------------------------------------
|
|
|
|
|
.It Cm list_users
|
|
|
|
|
See
|
|
|
|
|
.Cm list_users
|
|
|
|
|
in
|
|
|
|
|
.Xr rabbitmqctl 8
|
|
|
|
|
.\" ------------------------------------
|
|
|
|
|
.It Cm list_vhosts Op Ar vhostinfoitem ...
|
|
|
|
|
See
|
|
|
|
|
.Cm list_vhosts
|
|
|
|
|
in
|
|
|
|
|
.Xr rabbitmqctl 8
|
|
|
|
|
.\" ------------------------------------
|
2019-02-06 09:04:20 +08:00
|
|
|
.It Cm node_health_check
|
|
|
|
|
Performs several health checks of the target node.
|
|
|
|
|
.Pp
|
|
|
|
|
Verifies the rabbit application is running and alarms are not set,
|
|
|
|
|
then checks that every queue and channel on the node can emit basic stats.
|
|
|
|
|
.Pp
|
|
|
|
|
Example:
|
|
|
|
|
.Sp
|
2019-02-06 10:48:58 +08:00
|
|
|
.Dl rabbitmq-diagnostics node_health_check -n rabbit@hostname
|
2019-02-06 09:04:20 +08:00
|
|
|
.\" ------------------------------------
|
