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<h2><a href="https://docs.jboss.org/author/display/TEIID/Socket+Transports">Socket Transports</a></h2>
<h4>Page <b>edited</b> by <a href="https://docs.jboss.org/author/display/~shawkins">Steven Hawkins</a>
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<h4>Changes (1)</h4>
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<tr><td class="diff-unchanged" >Teiid separates the configuration of its socket transports for JDBC and ODBC. Typical installations will not need to adjust the default thread and buffer size settings. The default values for _input-buffer-size_ and _output-buffer-size_ are set to 0, which will use the system default. Before adjusting these values, keep in mind that each JDBC/ODBC connection will create a new socket. Setting these values to a large buffer size should only be done if the number of clients are constrained. All JDBC/ODBC socket operations are non-blocking, so setting the number of _max-socket-threads_ higher than the maximum effective parallelism of the machine should not result in greater performance. The default value 0 indicates the system default of 2 * available processors will be used. <br> <br></td></tr>
<tr><td class="diff-added-lines" style="background-color: #dfd;">{info} <br>If you are using more than the 2 default socket transports on a machine with a high number of actual or virtual cores, you may need to consider manually configuring the max threads for each to transport to cut down on the number of threads created. <br>{info} <br> <br></td></tr>
<tr><td class="diff-unchanged" >JDBC clients may need to adjust low-level transport values, in addition to [SSL Client Connection|TEIID:SSL Client Connections] properties via a teiid-client-settings.properties file. This file also contains buffer, socket pooling, and maxObjectSize (effectively the maximum response size) settings. <br></td></tr>
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</div> <h4>Full Content</h4>
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<p>Teiid separates the configuration of its socket transports for JDBC and ODBC. Typical installations will not need to adjust the default thread and buffer size settings. The default values for <em>input-buffer-size</em> and <em>output-buffer-size</em> are set to 0, which will use the system default. Before adjusting these values, keep in mind that each JDBC/ODBC connection will create a new socket. Setting these values to a large buffer size should only be done if the number of clients are constrained. All JDBC/ODBC socket operations are non-blocking, so setting the number of <em>max-socket-threads</em> higher than the maximum effective parallelism of the machine should not result in greater performance. The default value 0 indicates the system default of 2 * available processors will be used.</p>
<div class='panelMacro'><table class='infoMacro'><colgroup><col width='24'><col></colgroup><tr><td valign='top'><img src="/author/images/icons/emoticons/information.gif" width="16" height="16" align="absmiddle" alt="" border="0"></td><td>If you are using more than the 2 default socket transports on a machine with a high number of actual or virtual cores, you may need to consider manually configuring the max threads for each to transport to cut down on the number of threads created.</td></tr></table></div>
<p>JDBC clients may need to adjust low-level transport values, in addition to <a href="/author/display/TEIID/SSL+Client+Connections" title="SSL Client Connections">SSL Client Connection</a> properties via a teiid-client-settings.properties file. This file also contains buffer, socket pooling, and maxObjectSize (effectively the maximum response size) settings.</p>
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