diff options
Diffstat (limited to 'qpid/doc/book/src/java-broker/Java-Broker-Appendix-Queue-Alerts.xml')
| -rw-r--r-- | qpid/doc/book/src/java-broker/Java-Broker-Appendix-Queue-Alerts.xml | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/qpid/doc/book/src/java-broker/Java-Broker-Appendix-Queue-Alerts.xml b/qpid/doc/book/src/java-broker/Java-Broker-Appendix-Queue-Alerts.xml deleted file mode 100644 index 687a063289..0000000000 --- a/qpid/doc/book/src/java-broker/Java-Broker-Appendix-Queue-Alerts.xml +++ /dev/null @@ -1,101 +0,0 @@ -<?xml version="1.0"?> -<!DOCTYPE entities [ -<!ENTITY % entities SYSTEM "commonEntities.xml"> -%entities; -]> -<!-- - - Licensed to the Apache Software Foundation (ASF) under one - or more contributor license agreements. See the NOTICE file - distributed with this work for additional information - regarding copyright ownership. The ASF licenses this file - to you under the Apache License, Version 2.0 (the - "License"); you may not use this file except in compliance - with the License. You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, - software distributed under the License is distributed on an - "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - KIND, either express or implied. See the License for the - specific language governing permissions and limitations - under the License. - ---> - -<appendix id="Java-Broker-Appendix-Queue-Alerts"> - <title>Queue Alerts</title> - <para>The Broker supports a variety of queue alerting thresholds. Once configured on a queue, - these limits will be periodically written to the log if these limits are breached, until the - condition is rectified.</para> - <para>For example, if queue <literal>myqueue</literal> is configured with a message count alert of - 1000, and then owing to a failure of a downstream system messages begin to accumulate on the - queue, the following alerts will be written periodically to the log. </para> - <screen> -INFO [default:VirtualHostHouseKeepingTask] (queue.NotificationCheck) - MESSAGE_COUNT_ALERT - On Queue myqueue - 1272: Maximum count on queue threshold (1000) breached. - </screen> - <para>Note that queue alerts are <emphasis>soft</emphasis> in nature; breaching the limit will - merely cause the alerts to be generated but messages will still be accepted to the queue.</para> - <table pgwide="1" id="Java-Broker-Appendix-Queue-Alerts-Alerting-Messages"> - <title>Queue Alerts</title> - <tgroup cols="2"> - <thead> - <row> - <entry>Alert Name</entry> - <entry>Alert Format and Purpose</entry> - </row> - </thead> - <tbody> - <row> - <entry morerows="1">MESSAGE_COUNT_ALERT</entry> - <entry> MESSAGE_COUNT_ALERT On Queue <replaceable>queuename</replaceable> - - <replaceable>number of messages</replaceable>: Maximum count on queue threshold - (<replaceable>limit</replaceable>) breached. </entry> - </row> - <row> - <entry> - <para>The number of messages on the given queue has breached its configured - limit.</para> - </entry> - </row> - <row> - <entry morerows="1">MESSAGE_SIZE_ALERT</entry> - <entry> MESSAGE_SIZE_ALERT On Queue <replaceable>queuename</replaceable> - -<replaceable>message size</replaceable> : Maximum message size threshold - (<replaceable>limit</replaceable>) breached. [Message ID=<replaceable>message - id</replaceable>]</entry> - </row> - <row> - <entry> - <para>The size of an individual messages has breached its configured limit.</para> - </entry> - </row> - <row> - <entry morerows="1">QUEUE_DEPTH_ALERT</entry> - <entry> QUEUE_DEPTH_ALERT On Queue <replaceable>queuename</replaceable> - - <replaceable>total size of all messages on queue</replaceable> : Maximum queue depth - threshold (<replaceable>limit</replaceable>) breached.</entry> - </row> - <row> - <entry> - <para>The total size of all messages on the queue has breached its configured - limit.</para> - </entry> - </row> - <row> - <entry morerows="1">MESSAGE_AGE_ALERT</entry> - <entry>MESSAGE_AGE_ALERT On Queue <replaceable>queuename</replaceable> - <replaceable>age - of message</replaceable> : Maximum age on queue threshold - (<replaceable>limit</replaceable>) breached. </entry> - </row> - <row> - <entry> - <para>The age of a message on the given queue has breached its configured limit.</para> - </entry> - </row> - </tbody> - </tgroup> - </table> -</appendix> |
