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| <h1><span class="caps">JMX</span></h1> |
| |
| <p>Apache BookKeeper has extensive support for <span class="caps">JMX, </span>which allows viewing and managing a BookKeeper cluster.</p> |
| |
| <p>This document assumes that you have basic knowledge of <span class="caps">JMX.</span> See <a href="http://java.sun.com/javase/technologies/core/mntr-mgmt/javamanagement/">Sun <span class="caps">JMX</span> Technology</a> page to get started with <span class="caps">JMX.</span></p> |
| |
| <p>See the <a href="http://java.sun.com/javase/6/docs/technotes/guides/management/agent.html"><span class="caps">JMX</span> Management Guide</a> for details on setting up local and remote management of VM instances. By default the included <i>bookkeeper</i> script supports only local management - review the linked document to enable support for remote management (beyond the scope of this document).</p> |
| |
| <p><i>Bookie Server</i> is a <span class="caps">JMX </span>manageable server, which registers the proper MBeans during initialization to support <span class="caps">JMX </span>monitoring and management of the instance.</p> |
| |
| <h1>Bookie Server MBean Reference</h1> |
| |
| <p>This table details <span class="caps">JMX </span>for a bookie server.</p> |
| |
| <table><tr><td>_.MBean</td><td>_.MBean Object Name</td><td>_.Description</td></tr><tr><td>BookieServer</td><td>BookieServer_<port></td><td>Represents a bookie server. Note that the object name includes bookie port that the server listens on. It is the root MBean for bookie server, which includes statistics for a bookie server. E.g. number packets sent/received, and statistics for add/read operations.</td></tr><tr><td>Bookie</td><td>Bookie</td><td>Provide bookie statistics. Currently it just returns current journal queue length waiting to be committed.</td></tr><tr><td>LedgerCache</td><td>LedgerCache</td><td>Provide ledger cache statistics. E.g. number of page cached in page cache, number of files opened for ledger index files.</td></tr></table> |
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