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<h2><a href="https://docs.jboss.org/author/display/TEIID/Monitoring">Monitoring</a></h2>
<h4>Page <b>added</b> by <a href="https://docs.jboss.org/author/display/~van.halbert">Van Halbert</a>
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<p>Teiid provides information that represent the current operational state. This information can be useful in managing load, through-put and tuning. The data that is available can be accessed using the different administrative tools (i.e., Admin Console, AdminShell or Admin API).</p>
<h3><a name="Monitoring-Thefollowingisinformationthatdetailsthecurrentload%3A"></a>The following is information that details the current load:</h3>
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<th class='confluenceTh'>Name</th>
<th class='confluenceTh'>Description</th>
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<td class='confluenceTd'>Current Sessions</td>
<td class='confluenceTd'>List current sessions connected </td>
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<td class='confluenceTd'>Current Request</td>
<td class='confluenceTd'>List current executing requests </td>
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<td class='confluenceTd'>Current Transactions</td>
<td class='confluenceTd'>List current executing transactions </td>
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<td class='confluenceTd'>Query Plan</td>
<td class='confluenceTd'>Retrieves the query plan for a specific request </td>
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<p>There are administrative options for terminating sessions, queries and transactions. See the Administrative Guide for how to accomplish that task.</p>
<h3><a name="Monitoring-Thefollowingaredatathatismeanttoprovidemeasurableinformation%3A"></a>The following are data that is meant to provide measurable information:</h3>
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<th class='confluenceTh'>Name</th>
<th class='confluenceTh'>Description</th>
<th class='confluenceTh'>Comment</th>
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<tr>
<td class='confluenceTd'>Long Running Queries</td>
<td class='confluenceTd'>List current executing queries that have surpassed the query threshold (<em>query-threshold-in-seconds</em>). </td>
<td class='confluenceTd'> Setup alert to warn when one or more queries are consuming resources for an extended period of time. If running too long, an option is to cancel request. </td>
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<td class='confluenceTd'>Prepared Plan Cache Size </td>
<td class='confluenceTd'>Current number of entries in cache. </td>
<td class='confluenceTd'> </td>
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<td class='confluenceTd'>Prepared Plan Cache # of Requests </td>
<td class='confluenceTd'>Total number of requests made against cache. </td>
<td class='confluenceTd'> </td>
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<tr>
<td class='confluenceTd'>Prepared Plan Cache Hit Ratio % </td>
<td class='confluenceTd'>Percentage of positive cache hits </td>
<td class='confluenceTd'> </td>
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<td class='confluenceTd'>ResultSet Cache Size </td>
<td class='confluenceTd'>Current number of entries in cache. </td>
<td class='confluenceTd'> </td>
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<td class='confluenceTd'>ResultSet Cache # of Requests </td>
<td class='confluenceTd'>Total number of requests made against cache. </td>
<td class='confluenceTd'> </td>
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<tr>
<td class='confluenceTd'>ResultSet Cache Hit Ratio % </td>
<td class='confluenceTd'>Percentage of positive cache hits. </td>
<td class='confluenceTd'> </td>
</tr>
<tr>
<td class='confluenceTd'>Query Count </td>
<td class='confluenceTd'> Indicates the number of queries currently active. </td>
<td class='confluenceTd'> </td>
</tr>
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<td class='confluenceTd'>Session Count </td>
<td class='confluenceTd'> Indicates the number of user connections currently active </td>
<td class='confluenceTd'> To ensure number of sessions are not restricted at peak times, check <em>max-sessions-allowed</em> (default 5000) is set accordingly and review <em>sessions-expiration-timelimit</em> </td>
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<td class='confluenceTd'>Used Buffer Space in MB </td>
<td class='confluenceTd'> Indicates amount of storage space currently used by buffer files </td>
<td class='confluenceTd'> Setup alert to warn when used buffer space is at an unacceptable level, based on the setting of <em>max-buffer-space</em> </td>
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</tbody></table>
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