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<p class="p_Heading1"><span class="f_Heading1">Replica Group</span></p>
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<p>A replica group represents an abstract grouping of identical, or very similar, object adapters. An object adapter joins this group by setting this replica group ID in its <span class="f_T_Entry">Replica Group</span> field.</p>
<p class="p_Heading2"><span class="f_Heading2">Properties</span></p>
<p class="p_IndentList2"><span class="f_IndentList2">The Replica Properties panel offers the following fields:</span></p>
<p class="p_Heading2Sub2"><span class="f_Heading2Sub2">Replica Group ID</span></p>
<p class="p_IndentList3"><span class="f_IndentList3">The ID of this replica group. Must be unique within an IceGrid deployment.</span></p>
<p class="p_Heading2Sub2"><span class="f_Heading2Sub2">Description</span></p>
<p class="p_IndentList3"><span class="f_IndentList3">A free-text description of this replica group.</span></p>
<p class="p_Heading2Sub2"><span class="f_Heading2Sub2">Well-known Objects</span></p>
<p class="p_IndentList3"><span class="f_IndentList3">A table of well-known objects defined by this replica group.</span></p>
<p class="p_Heading2Sub2"><span class="f_Heading2Sub2">Load Balancing Policy</span></p>
<p class="p_IndentList3"><span class="f_IndentList3">The load-balancing policy used by IceGrid when resolving the</span><span class="f_T_Entry"> Replica Group ID</span><span class="f_IndentList3"> in proxies. Must be one of:</span></p>
<div style="text-align: left; text-indent: 0px; padding: 0px 0px 0px 0px; margin: 0px 0px 10px 60px;"><table border="0" cellpadding="0" cellspacing="0" style="line-height: normal;"><tr style="vertical-align:baseline" valign="baseline"><td width="13"><span style="font-size: 11pt; font-family: 'Arial Unicode MS', 'Lucida Sans Unicode', 'Arial'; color: #000000;">•</span></td><td><span class="f_IndentList3">Adaptive: return the endpoints of the object adapters whose nodes report the lowest load-average (on Linux/Unix) or CPU utilization (on Windows). The actual load-average or CPU utilization value of each node is multiplied by the node's load-factor for this comparison. See Load Sample below, and <a href="app_node.htm">Node</a>.</span></td></tr></table></div><div style="text-align: left; text-indent: 0px; padding: 0px 0px 0px 0px; margin: 0px 0px 10px 60px;"><table border="0" cellpadding="0" cellspacing="0" style="line-height: normal;"><tr style="vertical-align:baseline" valign="baseline"><td width="13"><span style="font-size: 11pt; font-family: 'Arial Unicode MS', 'Lucida Sans Unicode', 'Arial'; color: #000000;">•</span></td><td><span class="f_IndentList3">Ordered: return the endpoints of the object adapters with the highest priority. See <a href="app_adapter.htm">Adapter</a>.</span></td></tr></table></div><div style="text-align: left; text-indent: 0px; padding: 0px 0px 0px 0px; margin: 0px 0px 10px 60px;"><table border="0" cellpadding="0" cellspacing="0" style="line-height: normal;"><tr style="vertical-align:baseline" valign="baseline"><td width="13"><span style="font-size: 11pt; font-family: 'Arial Unicode MS', 'Lucida Sans Unicode', 'Arial'; color: #000000;">•</span></td><td><span class="f_IndentList3">Random: returns the endpoints of object adapters selected at random. This is the default policy.</span></td></tr></table></div><div style="text-align: left; text-indent: 0px; padding: 0px 0px 0px 0px; margin: 0px 0px 10px 60px;"><table border="0" cellpadding="0" cellspacing="0" style="line-height: normal;"><tr style="vertical-align:baseline" valign="baseline"><td width="13"><span style="font-size: 11pt; font-family: 'Arial Unicode MS', 'Lucida Sans Unicode', 'Arial'; color: #000000;">•</span></td><td><span class="f_IndentList3">Round-robin: IceGrid puts all the object adapters in a list, and for each new resolution, it returns the endpoints from the next </span><span class="f_T_Entry">How many Adapters</span><span class="f_IndentList3"> items on this list.</span></td></tr></table></div><p class="p_Heading2Sub2"><span class="f_Heading2Sub2">How many Adapters</span></p>
<p class="p_IndentList3"><span class="f_IndentList3">Specify the number of object adapters selected by IceGrid for each resolution. 1 is a common value.</span></p>
<p class="p_IndentList3"><span class="f_IndentList3">When set to 0 (the default), IceGrid returns the endpoints of all object adapters in this replica group.</span></p>
<p class="p_Heading2Sub2"><span class="f_Heading2Sub2">Load Sample</span></p>
<p class="p_IndentList3"><span class="f_IndentList3">Available only with the Adaptive load-balancing policy. Specify the load-average or CPU utilization sample to use when comparing nodes: it can be 1 (default), 5 or 15 minutes.</span></p>
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