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use-strict-min and prefill with oracle ds xml
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created by <a href="https://community.jboss.org/people/sapan.vas">Sapan Vashishth</a> in <i>Datasource Configuration</i> - <a href="https://community.jboss.org/message/802546#802546">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hi,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>I have following configuration in my oracle-ds.xml for my oracle datasource on jboss 6.0.0 Finl</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="font-size: 8pt;"><?xml version="1.0" encoding="UTF-8" standalone="no"?><datasources></span></p><p><span style="font-size: 8pt;">  <local-tx-datasource></span></p><p><span style="font-size: 8pt;">    <jndi-name>GBOracleDS</jndi-name></span></p><p><span style="font-size: 8pt;">    <connection-url> **** </connection-url></span></p><p><span style="font-size: 8pt;">    <driver-class>oracle.jdbc.driver.OracleDriver</driver-class></span></p><p><span style="font-size: 8pt;">.......</span></p><p><span style="font-size: 8pt;">........</span></p><p><span style="font-size: 8pt;">    <connection-property name="autoReconnect ">true</connection-property></span></p><p><span style="font-size: 8pt;">    <min-pool-size>30</min-pool-size></span></p><p><span style="font-size: 8pt;">    <max-pool-size>800</max-pool-size></span></p><p><span style="font-size: 8pt;">    <prefill>true</prefill></span></p><p><span style="font-size: 8pt;">    <use-strict-min>true</use-strict-min>                 </span></p><p><span style="font-size: 8pt;">    <blocking-timeout-millis>5000</blocking-timeout-millis></span></p><p><span style="font-size: 8pt;">    <idle-timeout-minutes>5</idle-timeout-minutes></span></p><p><span style="font-size: 8pt;">    <use-fast-fail>false</use-fast-fail></span></p><p><span style="font-size: 8pt;">    <prepared-statement-cache-size>500</prepared-statement-cache-size></span></p><p><span style="font-size: 8pt;">    <shared-prepared-statements>true</shared-prepared-statements></span></p><p><span style="font-size: 8pt;">     .....................</span></p><p><span style="font-size: 8pt;">     ...........................    </span></p><p><span style="font-size: 8pt;">  </local-tx-datasource></span></p><p><span style="font-size: 8pt;"></datasources></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>As per the name and documentation of prefill and use-strict-min there should be always conencions equal to minimum pool size specified. </p><p>But during the execution I see that the connection count does not show same, </p><p>It shows lesser connections that the min pool size and even goes to zero when no load on server.</p><p>This is causing issues in the performance runs as during the creation of the connections the request have to wait until the connection is available.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Is there something else that is required to be configured for the same or there is some issue with these parameters.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks in advance</p><p>Sapan</p><p><span style="font-size: 8pt;"><br/></span></p></div>
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