cassandra-server

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">  <html lang="en"> <head>  <title>DynamicEndpointSnitch (apache-cassandra API)</title> <meta name="date" content="2014-09-07"> <link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style"> </head> <body> <script type="text/javascript"> </script> <noscript> <div>JavaScript is disabled on your browser.</div> </noscript>  <div class="topNav"><a name="navbar_top">  </a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow">  </a> <ul class="navList" title="Navigation"> <li><a href="../../../../overview-summary.html">Overview</a></li> <li><a href="package-summary.html">Package</a></li> <li class="navBarCell1Rev">Class</li> <li><a href="class-use/DynamicEndpointSnitch.html">Use</a></li> <li><a href="package-tree.html">Tree</a></li> <li><a href="../../../../deprecated-list.html">Deprecated</a></li> <li><a href="../../../../index-all.html">Index</a></li> <li><a href="../../../../help-doc.html">Help</a></li> </ul> </div> <div class="subNav"> <ul class="navList"> <li><a href="../../../../org/apache/cassandra/locator/CloudstackSnitch.html" title="class in org.apache.cassandra.locator"><span class="strong">Prev Class</span></a></li> <li><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html" title="interface in org.apache.cassandra.locator"><span class="strong">Next Class</span></a></li> </ul> <ul class="navList"> <li><a href="../../../../index.html?org/apache/cassandra/locator/DynamicEndpointSnitch.html" target="_top">Frames</a></li> <li><a href="DynamicEndpointSnitch.html" target="_top">No Frames</a></li> </ul> <ul class="navList" id="allclasses_navbar_top"> <li><a href="../../../../allclasses-noframe.html">All Classes</a></li> </ul> <div> <script type="text/javascript"> </script> </div> <div> <ul class="subNavList"> <li>Summary: </li> <li>Nested | </li> <li><a href="#field_summary">Field</a> | </li> <li><a href="#constructor_summary">Constr</a> | </li> <li><a href="#method_summary">Method</a></li> </ul> <ul class="subNavList"> <li>Detail: </li> <li><a href="#field_detail">Field</a> | </li> <li><a href="#constructor_detail">Constr</a> | </li> <li><a href="#method_detail">Method</a></li> </ul> </div> <a name="skip-navbar_top">  </a></div>   <div class="header"> <div class="subTitle">org.apache.cassandra.locator</div> <h2 title="Class DynamicEndpointSnitch" class="title">Class DynamicEndpointSnitch</h2> </div> <div class="contentContainer"> <ul class="inheritance"> <li>java.lang.Object</li> <li> <ul class="inheritance"> <li><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html" title="class in org.apache.cassandra.locator">org.apache.cassandra.locator.AbstractEndpointSnitch</a></li> <li> <ul class="inheritance"> <li>org.apache.cassandra.locator.DynamicEndpointSnitch</li> </ul> </li> </ul> </li> </ul> <div class="description"> <ul class="blockList"> <li class="blockList"> <dl> <dt>All Implemented Interfaces:</dt> <dd><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html" title="interface in org.apache.cassandra.locator">DynamicEndpointSnitchMBean</a>, <a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a>, <a href="../../../../org/apache/cassandra/locator/ILatencySubscriber.html" title="interface in org.apache.cassandra.locator">ILatencySubscriber</a></dd> </dl> <hr> <br> <pre>public class <span class="strong">DynamicEndpointSnitch</span> extends <a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html" title="class in org.apache.cassandra.locator">AbstractEndpointSnitch</a> implements <a href="../../../../org/apache/cassandra/locator/ILatencySubscriber.html" title="interface in org.apache.cassandra.locator">ILatencySubscriber</a>, <a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html" title="interface in org.apache.cassandra.locator">DynamicEndpointSnitchMBean</a></pre> <div class="block">A dynamic snitch that sorts endpoints by latency with an adapted phi failure detector</div> </li> </ul> </div> <div class="summary"> <ul class="blockList"> <li class="blockList">  <ul class="blockList"> <li class="blockList"><a name="field_summary">  </a> <h3>Field Summary</h3> <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Field Summary table, listing fields, and an explanation"> <caption><span>Fields</span><span class="tabEnd"> </span></caption> <tr> <th class="colFirst" scope="col">Modifier and Type</th> <th class="colLast" scope="col">Field and Description</th> </tr> <tr class="altColor"> <td class="colFirst"><code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#subsnitch">subsnitch</a></strong></code> </td> </tr> </table> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="constructor_summary">  </a> <h3>Constructor Summary</h3> <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation"> <caption><span>Constructors</span><span class="tabEnd"> </span></caption> <tr> <th class="colOne" scope="col">Constructor and Description</th> </tr> <tr class="altColor"> <td class="colOne"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#DynamicEndpointSnitch(org.apache.cassandra.locator.IEndpointSnitch)">DynamicEndpointSnitch</a></strong>(<a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a> snitch)</code> </td> </tr> <tr class="rowColor"> <td class="colOne"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#DynamicEndpointSnitch(org.apache.cassandra.locator.IEndpointSnitch,%20java.lang.String)">DynamicEndpointSnitch</a></strong>(<a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a> snitch, java.lang.String instance)</code> </td> </tr> </table> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="method_summary">  </a> <h3>Method Summary</h3> <table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> <caption><span>Methods</span><span class="tabEnd"> </span></caption> <tr> <th class="colFirst" scope="col">Modifier and Type</th> <th class="colLast" scope="col">Method and Description</th> </tr> <tr class="altColor"> <td class="colFirst"><code>int</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#compareEndpoints(java.net.InetAddress,%20java.net.InetAddress,%20java.net.InetAddress)">compareEndpoints</a></strong>(java.net.InetAddress target, java.net.InetAddress a1, java.net.InetAddress a2)</code> <div class="block">compares two endpoints in relation to the target endpoint, returning as Comparator.compare would</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>java.util.List<java.lang.Double></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#dumpTimings(java.lang.String)">dumpTimings</a></strong>(java.lang.String hostname)</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>double</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#getBadnessThreshold()">getBadnessThreshold</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#getDatacenter(java.net.InetAddress)">getDatacenter</a></strong>(java.net.InetAddress endpoint)</code> <div class="block">returns a String representing the datacenter this endpoint belongs to</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#getRack(java.net.InetAddress)">getRack</a></strong>(java.net.InetAddress endpoint)</code> <div class="block">returns a String repesenting the rack this endpoint belongs to</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>int</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#getResetInterval()">getResetInterval</a></strong>()</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>java.util.Map<java.net.InetAddress,java.lang.Double></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#getScores()">getScores</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>double</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#getSeverity()">getSeverity</a></strong>()</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>java.util.List<java.net.InetAddress></code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#getSortedListByProximity(java.net.InetAddress,%20java.util.Collection)">getSortedListByProximity</a></strong>(java.net.InetAddress address, java.util.Collection<java.net.InetAddress> addresses)</code> <div class="block">Sorts the <tt>Collection</tt> of node addresses by proximity to the given address</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>java.lang.String</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#getSubsnitchClassName()">getSubsnitchClassName</a></strong>()</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>int</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#getUpdateInterval()">getUpdateInterval</a></strong>()</code> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#gossiperStarting()">gossiperStarting</a></strong>()</code> <div class="block">called after Gossiper instance exists immediately before it starts gossiping</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>boolean</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#isWorthMergingForRangeQuery(java.util.List,%20java.util.List,%20java.util.List)">isWorthMergingForRangeQuery</a></strong>(java.util.List<java.net.InetAddress> merged, java.util.List<java.net.InetAddress> l1, java.util.List<java.net.InetAddress> l2)</code> <div class="block">Returns whether for a range query doing a query against merged is likely to be faster than 2 sequential queries, one against l1 followed by one against l2.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#receiveTiming(java.net.InetAddress,%20long)">receiveTiming</a></strong>(java.net.InetAddress host, long latency)</code> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#setSeverity(double)">setSeverity</a></strong>(double severity)</code> <div class="block">Use this if you want to specify a severity; it can be negative Example: Page cache is cold and you want data to be sent though it is not preferred one.</div> </td> </tr> <tr class="rowColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#sortByProximity(java.net.InetAddress,%20java.util.List)">sortByProximity</a></strong>(java.net.InetAddress address, java.util.List<java.net.InetAddress> addresses)</code> <div class="block">Sorts the <tt>List</tt> of node addresses, in-place, by proximity to the given address</div> </td> </tr> <tr class="altColor"> <td class="colFirst"><code>void</code></td> <td class="colLast"><code><strong><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitch.html#unregisterMBean()">unregisterMBean</a></strong>()</code> </td> </tr> </table> <ul class="blockList"> <li class="blockList"><a name="methods_inherited_from_class_java.lang.Object">  </a> <h3>Methods inherited from class java.lang.Object</h3> <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> </ul> </li> </ul> </li> </ul> </div> <div class="details"> <ul class="blockList"> <li class="blockList">  <ul class="blockList"> <li class="blockList"><a name="field_detail">  </a> <h3>Field Detail</h3> <a name="subsnitch">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>subsnitch</h4> <pre>public final <a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a> subsnitch</pre> </li> </ul> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="constructor_detail">  </a> <h3>Constructor Detail</h3> <a name="DynamicEndpointSnitch(org.apache.cassandra.locator.IEndpointSnitch)">  </a> <ul class="blockList"> <li class="blockList"> <h4>DynamicEndpointSnitch</h4> <pre>public DynamicEndpointSnitch(<a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a> snitch)</pre> </li> </ul> <a name="DynamicEndpointSnitch(org.apache.cassandra.locator.IEndpointSnitch, java.lang.String)">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>DynamicEndpointSnitch</h4> <pre>public DynamicEndpointSnitch(<a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a> snitch, java.lang.String instance)</pre> </li> </ul> </li> </ul>  <ul class="blockList"> <li class="blockList"><a name="method_detail">  </a> <h3>Method Detail</h3> <a name="unregisterMBean()">  </a> <ul class="blockList"> <li class="blockList"> <h4>unregisterMBean</h4> <pre>public void unregisterMBean()</pre> </li> </ul> <a name="gossiperStarting()">  </a> <ul class="blockList"> <li class="blockList"> <h4>gossiperStarting</h4> <pre>public void gossiperStarting()</pre> <div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#gossiperStarting()">IEndpointSnitch</a></code></strong></div> <div class="block">called after Gossiper instance exists immediately before it starts gossiping</div> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#gossiperStarting()">gossiperStarting</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></code></dd> <dt><strong>Overrides:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html#gossiperStarting()">gossiperStarting</a></code> in class <code><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html" title="class in org.apache.cassandra.locator">AbstractEndpointSnitch</a></code></dd> </dl> </li> </ul> <a name="getRack(java.net.InetAddress)">  </a> <ul class="blockList"> <li class="blockList"> <h4>getRack</h4> <pre>public java.lang.String getRack(java.net.InetAddress endpoint)</pre> <div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#getRack(java.net.InetAddress)">IEndpointSnitch</a></code></strong></div> <div class="block">returns a String repesenting the rack this endpoint belongs to</div> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#getRack(java.net.InetAddress)">getRack</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></code></dd> </dl> </li> </ul> <a name="getDatacenter(java.net.InetAddress)">  </a> <ul class="blockList"> <li class="blockList"> <h4>getDatacenter</h4> <pre>public java.lang.String getDatacenter(java.net.InetAddress endpoint)</pre> <div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#getDatacenter(java.net.InetAddress)">IEndpointSnitch</a></code></strong></div> <div class="block">returns a String representing the datacenter this endpoint belongs to</div> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#getDatacenter(java.net.InetAddress)">getDatacenter</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></code></dd> </dl> </li> </ul> <a name="getSortedListByProximity(java.net.InetAddress, java.util.Collection)">  </a> <ul class="blockList"> <li class="blockList"> <h4>getSortedListByProximity</h4> <pre>public java.util.List<java.net.InetAddress> getSortedListByProximity(java.net.InetAddress address, java.util.Collection<java.net.InetAddress> addresses)</pre> <div class="block"><strong>Description copied from class: <code><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html#getSortedListByProximity(java.net.InetAddress,%20java.util.Collection)">AbstractEndpointSnitch</a></code></strong></div> <div class="block">Sorts the <tt>Collection</tt> of node addresses by proximity to the given address</div> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#getSortedListByProximity(java.net.InetAddress,%20java.util.Collection)">getSortedListByProximity</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></code></dd> <dt><strong>Overrides:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html#getSortedListByProximity(java.net.InetAddress,%20java.util.Collection)">getSortedListByProximity</a></code> in class <code><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html" title="class in org.apache.cassandra.locator">AbstractEndpointSnitch</a></code></dd> <dt><span class="strong">Parameters:</span></dt><dd><code>address</code> - the address to sort by proximity to</dd><dd><code>addresses</code> - the nodes to sort</dd> <dt><span class="strong">Returns:</span></dt><dd>a new sorted <tt>List</tt></dd></dl> </li> </ul> <a name="sortByProximity(java.net.InetAddress, java.util.List)">  </a> <ul class="blockList"> <li class="blockList"> <h4>sortByProximity</h4> <pre>public void sortByProximity(java.net.InetAddress address, java.util.List<java.net.InetAddress> addresses)</pre> <div class="block"><strong>Description copied from class: <code><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html#sortByProximity(java.net.InetAddress,%20java.util.List)">AbstractEndpointSnitch</a></code></strong></div> <div class="block">Sorts the <tt>List</tt> of node addresses, in-place, by proximity to the given address</div> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#sortByProximity(java.net.InetAddress,%20java.util.List)">sortByProximity</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></code></dd> <dt><strong>Overrides:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html#sortByProximity(java.net.InetAddress,%20java.util.List)">sortByProximity</a></code> in class <code><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html" title="class in org.apache.cassandra.locator">AbstractEndpointSnitch</a></code></dd> <dt><span class="strong">Parameters:</span></dt><dd><code>address</code> - the address to sort the proximity by</dd><dd><code>addresses</code> - the nodes to sort</dd></dl> </li> </ul> <a name="compareEndpoints(java.net.InetAddress, java.net.InetAddress, java.net.InetAddress)">  </a> <ul class="blockList"> <li class="blockList"> <h4>compareEndpoints</h4> <pre>public int compareEndpoints(java.net.InetAddress target, java.net.InetAddress a1, java.net.InetAddress a2)</pre> <div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#compareEndpoints(java.net.InetAddress,%20java.net.InetAddress,%20java.net.InetAddress)">IEndpointSnitch</a></code></strong></div> <div class="block">compares two endpoints in relation to the target endpoint, returning as Comparator.compare would</div> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#compareEndpoints(java.net.InetAddress,%20java.net.InetAddress,%20java.net.InetAddress)">compareEndpoints</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></code></dd> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html#compareEndpoints(java.net.InetAddress,%20java.net.InetAddress,%20java.net.InetAddress)">compareEndpoints</a></code> in class <code><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html" title="class in org.apache.cassandra.locator">AbstractEndpointSnitch</a></code></dd> </dl> </li> </ul> <a name="receiveTiming(java.net.InetAddress, long)">  </a> <ul class="blockList"> <li class="blockList"> <h4>receiveTiming</h4> <pre>public void receiveTiming(java.net.InetAddress host, long latency)</pre> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/ILatencySubscriber.html#receiveTiming(java.net.InetAddress,%20long)">receiveTiming</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/ILatencySubscriber.html" title="interface in org.apache.cassandra.locator">ILatencySubscriber</a></code></dd> </dl> </li> </ul> <a name="getScores()">  </a> <ul class="blockList"> <li class="blockList"> <h4>getScores</h4> <pre>public java.util.Map<java.net.InetAddress,java.lang.Double> getScores()</pre> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html#getScores()">getScores</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html" title="interface in org.apache.cassandra.locator">DynamicEndpointSnitchMBean</a></code></dd> </dl> </li> </ul> <a name="getUpdateInterval()">  </a> <ul class="blockList"> <li class="blockList"> <h4>getUpdateInterval</h4> <pre>public int getUpdateInterval()</pre> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html#getUpdateInterval()">getUpdateInterval</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html" title="interface in org.apache.cassandra.locator">DynamicEndpointSnitchMBean</a></code></dd> </dl> </li> </ul> <a name="getResetInterval()">  </a> <ul class="blockList"> <li class="blockList"> <h4>getResetInterval</h4> <pre>public int getResetInterval()</pre> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html#getResetInterval()">getResetInterval</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html" title="interface in org.apache.cassandra.locator">DynamicEndpointSnitchMBean</a></code></dd> </dl> </li> </ul> <a name="getBadnessThreshold()">  </a> <ul class="blockList"> <li class="blockList"> <h4>getBadnessThreshold</h4> <pre>public double getBadnessThreshold()</pre> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html#getBadnessThreshold()">getBadnessThreshold</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html" title="interface in org.apache.cassandra.locator">DynamicEndpointSnitchMBean</a></code></dd> </dl> </li> </ul> <a name="getSubsnitchClassName()">  </a> <ul class="blockList"> <li class="blockList"> <h4>getSubsnitchClassName</h4> <pre>public java.lang.String getSubsnitchClassName()</pre> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html#getSubsnitchClassName()">getSubsnitchClassName</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html" title="interface in org.apache.cassandra.locator">DynamicEndpointSnitchMBean</a></code></dd> </dl> </li> </ul> <a name="dumpTimings(java.lang.String)">  </a> <ul class="blockList"> <li class="blockList"> <h4>dumpTimings</h4> <pre>public java.util.List<java.lang.Double> dumpTimings(java.lang.String hostname) throws java.net.UnknownHostException</pre> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html#dumpTimings(java.lang.String)">dumpTimings</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html" title="interface in org.apache.cassandra.locator">DynamicEndpointSnitchMBean</a></code></dd> <dt><span class="strong">Throws:</span></dt> <dd><code>java.net.UnknownHostException</code></dd></dl> </li> </ul> <a name="setSeverity(double)">  </a> <ul class="blockList"> <li class="blockList"> <h4>setSeverity</h4> <pre>public void setSeverity(double severity)</pre> <div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html#setSeverity(double)">DynamicEndpointSnitchMBean</a></code></strong></div> <div class="block">Use this if you want to specify a severity; it can be negative Example: Page cache is cold and you want data to be sent though it is not preferred one.</div> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html#setSeverity(double)">setSeverity</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html" title="interface in org.apache.cassandra.locator">DynamicEndpointSnitchMBean</a></code></dd> </dl> </li> </ul> <a name="getSeverity()">  </a> <ul class="blockList"> <li class="blockList"> <h4>getSeverity</h4> <pre>public double getSeverity()</pre> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html#getSeverity()">getSeverity</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html" title="interface in org.apache.cassandra.locator">DynamicEndpointSnitchMBean</a></code></dd> </dl> </li> </ul> <a name="isWorthMergingForRangeQuery(java.util.List, java.util.List, java.util.List)">  </a> <ul class="blockListLast"> <li class="blockList"> <h4>isWorthMergingForRangeQuery</h4> <pre>public boolean isWorthMergingForRangeQuery(java.util.List<java.net.InetAddress> merged, java.util.List<java.net.InetAddress> l1, java.util.List<java.net.InetAddress> l2)</pre> <div class="block"><strong>Description copied from interface: <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#isWorthMergingForRangeQuery(java.util.List,%20java.util.List,%20java.util.List)">IEndpointSnitch</a></code></strong></div> <div class="block">Returns whether for a range query doing a query against merged is likely to be faster than 2 sequential queries, one against l1 followed by one against l2.</div> <dl> <dt><strong>Specified by:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html#isWorthMergingForRangeQuery(java.util.List,%20java.util.List,%20java.util.List)">isWorthMergingForRangeQuery</a></code> in interface <code><a href="../../../../org/apache/cassandra/locator/IEndpointSnitch.html" title="interface in org.apache.cassandra.locator">IEndpointSnitch</a></code></dd> <dt><strong>Overrides:</strong></dt> <dd><code><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html#isWorthMergingForRangeQuery(java.util.List,%20java.util.List,%20java.util.List)">isWorthMergingForRangeQuery</a></code> in class <code><a href="../../../../org/apache/cassandra/locator/AbstractEndpointSnitch.html" title="class in org.apache.cassandra.locator">AbstractEndpointSnitch</a></code></dd> </dl> </li> </ul> </li> </ul> </li> </ul> </div> </div>   <div class="bottomNav"><a name="navbar_bottom">  </a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow">  </a> <ul class="navList" title="Navigation"> <li><a href="../../../../overview-summary.html">Overview</a></li> <li><a href="package-summary.html">Package</a></li> <li class="navBarCell1Rev">Class</li> <li><a href="class-use/DynamicEndpointSnitch.html">Use</a></li> <li><a href="package-tree.html">Tree</a></li> <li><a href="../../../../deprecated-list.html">Deprecated</a></li> <li><a href="../../../../index-all.html">Index</a></li> <li><a href="../../../../help-doc.html">Help</a></li> </ul> </div> <div class="subNav"> <ul class="navList"> <li><a href="../../../../org/apache/cassandra/locator/CloudstackSnitch.html" title="class in org.apache.cassandra.locator"><span class="strong">Prev Class</span></a></li> <li><a href="../../../../org/apache/cassandra/locator/DynamicEndpointSnitchMBean.html" title="interface in org.apache.cassandra.locator"><span class="strong">Next Class</span></a></li> </ul> <ul class="navList"> <li><a href="../../../../index.html?org/apache/cassandra/locator/DynamicEndpointSnitch.html" target="_top">Frames</a></li> <li><a href="DynamicEndpointSnitch.html" target="_top">No Frames</a></li> </ul> <ul class="navList" id="allclasses_navbar_bottom"> <li><a href="../../../../allclasses-noframe.html">All Classes</a></li> </ul> <div> <script type="text/javascript"> </script> </div> <div> <ul class="subNavList"> <li>Summary: </li> <li>Nested | </li> <li><a href="#field_summary">Field</a> | </li> <li><a href="#constructor_summary">Constr</a> | </li> <li><a href="#method_summary">Method</a></li> </ul> <ul class="subNavList"> <li>Detail: </li> <li><a href="#field_detail">Field</a> | </li> <li><a href="#constructor_detail">Constr</a> | </li> <li><a href="#method_detail">Method</a></li> </ul> </div> <a name="skip-navbar_bottom">  </a></div>  <p class="legalCopy"><small>Copyright © 2014 The Apache Software Foundation</small></p> </body> </html>