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Yasuhiro KIMURA 923a4cd4e6 Update to 18.1.32
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Set the clock skew ratio among replication group members based on
the fastest and slowest measurements among the group for use with
master leases.
</div><p />
<b>Namespace:</b>
 <a href="N_BerkeleyDB.htm">BerkeleyDB</a><br />
<b>Assembly:</b>
 <span sdata="assembly">libdb_dotnet181</span> (in libdb_dotnet181.dll) Version: 18.1.32.0<h1 class="heading"><span onclick="ExpandCollapse(syntaxToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(syntaxToggle, event)" tabindex="0"><img id="syntaxToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Syntax</span></h1><div id="syntaxSection" class="section" name="collapseableSection" style=""><div id="syntaxCodeBlocks" class="code"><span codeLanguage="CSharp"><table><tr><th>C#</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">void</span> <span class="identifier">RepSetClockskew</span>(
<a href="http://msdn2.microsoft.com/en-us/library/ctys3981" target="_blank">uint</a> <span class="parameter">fast</span>,
<a href="http://msdn2.microsoft.com/en-us/library/ctys3981" target="_blank">uint</a> <span class="parameter">slow</span>
)</pre></td></tr></table></span><span codeLanguage="VisualBasicDeclaration"><table><tr><th>Visual Basic (Declaration)</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">Public</span> <span class="keyword">Sub</span> <span class="identifier">RepSetClockskew</span> ( _
<span class="parameter">fast</span> <span class="keyword">As</span> <a href="http://msdn2.microsoft.com/en-us/library/ctys3981" target="_blank">UInteger</a>, _
<span class="parameter">slow</span> <span class="keyword">As</span> <a href="http://msdn2.microsoft.com/en-us/library/ctys3981" target="_blank">UInteger</a> _
)</pre></td></tr></table></span><span codeLanguage="ManagedCPlusPlus"><table><tr><th>Visual C++</th></tr><tr><td><pre xml:space="preserve"><span class="keyword">public</span>:
<span class="keyword">void</span> <span class="identifier">RepSetClockskew</span>(
<a href="http://msdn2.microsoft.com/en-us/library/ctys3981" target="_blank">unsigned int</a> <span class="parameter">fast</span>,
<a href="http://msdn2.microsoft.com/en-us/library/ctys3981" target="_blank">unsigned int</a> <span class="parameter">slow</span>
)</pre></td></tr></table></span></div><div id="parameters"><h4 class="subHeading">Parameters</h4><dl paramName="fast"><dt><span class="parameter">fast</span></dt><dd>Type: <a href="http://msdn2.microsoft.com/en-us/library/ctys3981" target="_blank">System<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span></span>UInt32</a><br />
The value, relative to <span class="parameter">slow</span>, of the fastest clock
in the group of sites.
</dd></dl><dl paramName="slow"><dt><span class="parameter">slow</span></dt><dd>Type: <a href="http://msdn2.microsoft.com/en-us/library/ctys3981" target="_blank">System<span class="languageSpecificText"><span class="cs">.</span><span class="vb">.</span><span class="cpp">::</span><span class="nu">.</span></span>UInt32</a><br />
The value of the slowest clock in the group of sites.
</dd></dl></div></div><h1 class="heading"><span onclick="ExpandCollapse(remarksToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(remarksToggle, event)" tabindex="0"><img id="remarksToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />Remarks</span></h1><div id="remarksSection" class="section" name="collapseableSection" style="">
<p>
Calling this method is optional, the default values for clock skew
assume no skew. The user must also configure leases via
<a href="P_BerkeleyDB_DatabaseEnvironment_RepUseMasterLeases.htm">RepUseMasterLeases</a>. Additionally, the user must also
set the master lease timeout via <a href="P_BerkeleyDB_DatabaseEnvironment_RepLeaseTimeout.htm">RepLeaseTimeout</a> and
the number of sites in the replication group via
<a href="P_BerkeleyDB_DatabaseEnvironment_RepNSites.htm">RepNSites</a>. These settings may be configured in any
order. For a description of the clock skew values, see Clock skew
in the Berkeley DB Programmer's Reference Guide. For a description
of master leases, see Master leases in the Berkeley DB Programmer's
Reference Guide.
</p>
<p>
These arguments can be used to express either raw measurements of a
clock timing experiment or a percentage across machines. For
instance a group of sites have a 2% variance, then
<span class="parameter">fast</span> should be set to 102, and
<span class="parameter">slow</span> should be set to 100. Or, for a 0.03%
difference, you can use 10003 and 10000 respectively.
</p>
</div><h1 class="heading"><span onclick="ExpandCollapse(seeAlsoToggle)" style="cursor:default;" onkeypress="ExpandCollapse_CheckKey(seeAlsoToggle, event)" tabindex="0"><img id="seeAlsoToggle" class="toggle" name="toggleSwitch" src="../icons/collapse_all.gif" />See Also</span></h1><div id="seeAlsoSection" class="section" name="collapseableSection" style=""><div class="seeAlsoStyle"><a href="T_BerkeleyDB_DatabaseEnvironment.htm">DatabaseEnvironment Class</a></div><div class="seeAlsoStyle"><a href="N_BerkeleyDB.htm">BerkeleyDB Namespace</a></div></div></div><div id="footer"><div class="footerLine"><img width="100%" height="3px" src="../icons/footer.gif" title="Footer image" /></div><A NAME="feedback"></A><span id="fb" class="feedbackcss"> </span>
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