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doc-exports/docs/mrs/umn/alm_26053.html
Yang, Tong 3b1f73dece MRS UMN 2.0.38.SP20 version 
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Yang, Tong <yangtong2@huawei.com>
Co-committed-by: Yang, Tong <yangtong2@huawei.com>
2022-12-13 12:03:34 +00:00

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<a name="alm_26053"></a><a name="alm_26053"></a>
<h1 class="topictitle1">ALM-26053 Slot Usage of Storm Exceeds the Threshold</h1>
<div id="body8662426"><div class="section" id="alm_26053__en-us_topic_0191813942_section32908243175620"><h4 class="sectiontitle">Description</h4><p id="alm_26053__en-us_topic_0191813942_p3802074318748">The system checks the slot usage of Storm every 60 seconds and compares it with the threshold. This alarm is generated if the slot usage exceeds the threshold.</p>
<p id="alm_26053__en-us_topic_0191813942_p5978130418748">To modify the threshold, users can choose <span class="menucascade" id="alm_26053__menucascade42482129113928"><b><span class="uicontrol" id="alm_26053__uicontrol11736141114411">System</span></b> &gt; <b><span class="uicontrol" id="alm_26053__uicontrol38516413114411">Threshold Configuration</span></b></span> on MRS Manager.</p>
<p id="alm_26053__en-us_topic_0191813942_p1044745018748">This alarm is cleared if the slot usage is lower than or equal to the threshold.</p>
</div>
<div class="section" id="alm_26053__en-us_topic_0191813942_section21771461175620"><h4 class="sectiontitle">Attribute</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="alm_26053__en-us_topic_0191813942_table18657878175620" frame="border" border="1" rules="all"><thead align="left"><tr id="alm_26053__en-us_topic_0191813942_row25584845175620"><th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.1"><p id="alm_26053__en-us_topic_0191813942_p59106577175620"><strong id="alm_26053__b62197145175620">Alarm ID</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.2"><p id="alm_26053__en-us_topic_0191813942_p4803980175620"><strong id="alm_26053__b43235825175620">Alarm Severity</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.3"><p id="alm_26053__en-us_topic_0191813942_p12440926175620"><strong id="alm_26053__b0847191165620">Auto Clear</strong></p>
</th>
</tr>
</thead>
<tbody><tr id="alm_26053__en-us_topic_0191813942_row9738609175620"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.1 "><p id="alm_26053__en-us_topic_0191813942_p420326841881">26053</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.2 "><p id="alm_26053__en-us_topic_0191813942_p492042251881">Major</p>
</td>
<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.3 "><p id="alm_26053__en-us_topic_0191813942_p261193031881">Yes</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="alm_26053__en-us_topic_0191813942_section8062366175620"><h4 class="sectiontitle">Parameters</h4>
<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="alm_26053__en-us_topic_0191813942_table49071894175620" frame="border" border="1" rules="all"><thead align="left"><tr id="alm_26053__en-us_topic_0191813942_row19751123175620"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.1"><p id="alm_26053__en-us_topic_0191813942_p56337144175620"><strong id="alm_26053__b37272250175620">Parameter</strong></p>
</th>
<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.2"><p id="alm_26053__en-us_topic_0191813942_p66262301175620"><strong id="alm_26053__b59489799175620">Description</strong></p>
</th>
</tr>
</thead>
<tbody><tr id="alm_26053__en-us_topic_0191813942_row53944385175620"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_26053__en-us_topic_0191813942_p1213631718815">ServiceName</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_26053__en-us_topic_0191813942_p4351758218815">Specifies the service for which the alarm is generated.</p>
</td>
</tr>
<tr id="alm_26053__en-us_topic_0191813942_row39776827175620"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_26053__en-us_topic_0191813942_p4893377818815">RoleName</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_26053__en-us_topic_0191813942_p421312018815">Specifies the role for which the alarm is generated.</p>
</td>
</tr>
<tr id="alm_26053__en-us_topic_0191813942_row38777247175620"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_26053__en-us_topic_0191813942_p5146605718815">HostName</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_26053__en-us_topic_0191813942_p800105218815">Specifies the host for which the alarm is generated.</p>
</td>
</tr>
<tr id="alm_26053__en-us_topic_0191813942_row5746391418810"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="alm_26053__en-us_topic_0191813942_p6140530018815">Trigger condition</p>
</td>
<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="alm_26053__en-us_topic_0191813942_p777338418815">Generates an alarm when the actual indicator value exceeds the specified threshold.</p>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="section" id="alm_26053__en-us_topic_0191813942_section3251753175620"><h4 class="sectiontitle">Impact on the System</h4><p id="alm_26053__en-us_topic_0191813942_p600715118822">Users cannot run new Storm tasks.</p>
</div>
<div class="section" id="alm_26053__en-us_topic_0191813942_section21717983175620"><h4 class="sectiontitle">Possible Causes</h4><ul id="alm_26053__en-us_topic_0191813942_ul57788758183749"><li id="alm_26053__en-us_topic_0191813942_li25043722183749">Supervisors are abnormal in the cluster.</li><li id="alm_26053__en-us_topic_0191813942_li29362110183749">Supervisors are normal but have poor processing capability.</li></ul>
</div>
<div class="section" id="alm_26053__en-us_topic_0191813942_section7979165175620"><h4 class="sectiontitle">Procedure</h4><ol id="alm_26053__en-us_topic_0191813942_ol42332615175620"><li id="alm_26053__en-us_topic_0191813942_li45449221175620"><span>Check the supervisor status.</span><p><ol type="a" id="alm_26053__en-us_topic_0191813942_ol2248854818374"><li id="alm_26053__en-us_topic_0191813942_li1487713813414">Go to the cluster details page and click <strong id="alm_26053__b117625131117">Components</strong>.<div class="note" id="alm_26053__en-us_topic_0191813942_note148774381044"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="alm_26053__en-us_topic_0191813942_p38771238047">For MRS 1.7.2 or earlier, log in to MRS Manager and click <strong id="alm_26053__b1441018191019">Services</strong>.</p>
</div></div>
</li><li id="alm_26053__en-us_topic_0191813942_li3365578118374">Choose <span class="menucascade" id="alm_26053__menucascade5405123681117"><b><span class="uicontrol" id="alm_26053__uicontrol1040203691120">Storm</span></b> &gt; <b><span class="uicontrol" id="alm_26053__uicontrol16404636151115">Supervisor</span></b></span>.</li><li id="alm_26053__en-us_topic_0191813942_li2741659318374">In <strong id="alm_26053__b1947983064118">Role</strong>, check whether the cluster has supervisor instances that are in the <span class="parmvalue" id="alm_26053__parmvalue17486112212412"><b>Faulty</b></span> or <span class="parmvalue" id="alm_26053__parmvalue148610227418"><b>Recovering</b></span> state.<ul id="alm_26053__en-us_topic_0191813942_ul51718254183722"><li id="alm_26053__en-us_topic_0191813942_li66335152183722">If yes, go to <a href="#alm_26053__en-us_topic_0191813942_li6671657118374">1.d</a>.</li><li id="alm_26053__en-us_topic_0191813942_li23949552183722">If no, go to <a href="#alm_26053__en-us_topic_0191813942_li142406612228">2.a</a> or <a href="#alm_26053__en-us_topic_0191813942_li22838295183633">3.a</a>.</li></ul>
</li><li id="alm_26053__en-us_topic_0191813942_li6671657118374"><a name="alm_26053__en-us_topic_0191813942_li6671657118374"></a><a name="en-us_topic_0191813942_li6671657118374"></a>Select the supervisor instances that are in the <span class="parmvalue" id="alm_26053__parmvalue12694194017410"><b>Faulty</b></span> or <span class="parmvalue" id="alm_26053__parmvalue1669944024111"><b>Recovering</b></span> state and choose <span class="menucascade" id="alm_26053__menucascade1970034054119"><b><span class="uicontrol" id="alm_26053__uicontrol4699154094118">More</span></b> &gt; <b><span class="uicontrol" id="alm_26053__uicontrol147001640144110">Restart Instance</span></b></span>.<ul id="alm_26053__en-us_topic_0191813942_ul28486270183727"><li id="alm_26053__en-us_topic_0191813942_li35560946183727">If yes, go to <a href="#alm_26053__en-us_topic_0191813942_li5198268318374">1.e</a>.</li><li id="alm_26053__en-us_topic_0191813942_li44956377183727">If the restart fails, go to <a href="#alm_26053__en-us_topic_0191813942_li572522141314">4</a>.</li></ul>
</li><li id="alm_26053__en-us_topic_0191813942_li5198268318374"><a name="alm_26053__en-us_topic_0191813942_li5198268318374"></a><a name="en-us_topic_0191813942_li5198268318374"></a>Wait a moment and then check whether the alarm is cleared.<ul id="alm_26053__en-us_topic_0191813942_ul14617316183732"><li id="alm_26053__en-us_topic_0191813942_li32986605183732">If yes, no further action is required.</li><li id="alm_26053__en-us_topic_0191813942_li66142495183732">If no, go to <a href="#alm_26053__en-us_topic_0191813942_li142406612228">2.a</a> or <a href="#alm_26053__en-us_topic_0191813942_li22838295183633">3.a</a>.</li></ul>
</li></ol>
</p></li><li id="alm_26053__en-us_topic_0191813942_li11897976175620"><span>Increase the number of slots for the supervisors.</span><p><ol type="a" id="alm_26053__en-us_topic_0191813942_ol242851183642"><li id="alm_26053__en-us_topic_0191813942_li142406612228"><a name="alm_26053__en-us_topic_0191813942_li142406612228"></a><a name="en-us_topic_0191813942_li142406612228"></a>Go to the cluster details page and click <strong id="alm_26053__b559820750">Components</strong>.<div class="note" id="alm_26053__en-us_topic_0191813942_note924076102216"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="alm_26053__en-us_topic_0191813942_p0240106122210">For MRS 1.7.2 or earlier, log in to MRS Manager and click <strong id="alm_26053__b272402010105">Services</strong>.</p>
</div></div>
</li><li id="alm_26053__en-us_topic_0191813942_li25471780183642">Choose <strong id="alm_26053__b1665918714212">Storm</strong> &gt; <strong id="alm_26053__b566318774219">Supervisor</strong> &gt; <strong id="alm_26053__b1566412713423">Service Configuration</strong>, and set <strong id="alm_26053__b13664137174212">Type</strong> to <strong id="alm_26053__b6664275423">All</strong>.</li><li id="alm_26053__en-us_topic_0191813942_li19277950183642">Increase the value of <span class="parmname" id="alm_26053__parmname786663477135957"><b>supervisor.slots.ports</b></span> to increase the number of slots for each supervisor. Then restart the instances.</li><li id="alm_26053__en-us_topic_0191813942_li55549708183642">Wait a moment and then check whether the alarm is cleared.<ul id="alm_26053__en-us_topic_0191813942_ul40895054183647"><li id="alm_26053__en-us_topic_0191813942_li27956011183647">If yes, no further action is required.</li><li id="alm_26053__en-us_topic_0191813942_li10868715183647">If no, go to <a href="#alm_26053__en-us_topic_0191813942_li572522141314">4</a>.</li></ul>
</li></ol>
</p></li><li id="alm_26053__en-us_topic_0191813942_li1923527218916"><span>Expand the capacity of the supervisors.</span><p><ol type="a" id="alm_26053__en-us_topic_0191813942_ol2463135183633"><li id="alm_26053__en-us_topic_0191813942_li22838295183633"><a name="alm_26053__en-us_topic_0191813942_li22838295183633"></a><a name="en-us_topic_0191813942_li22838295183633"></a>Add nodes.</li><li id="alm_26053__en-us_topic_0191813942_li55071520183633">Wait a moment and then check whether the alarm is cleared.<ul id="alm_26053__en-us_topic_0191813942_ul7565966183636"><li id="alm_26053__en-us_topic_0191813942_li23476877183636">If yes, no further action is required.</li><li id="alm_26053__en-us_topic_0191813942_li16948975183636">If the restart fails, go to <a href="#alm_26053__en-us_topic_0191813942_li572522141314">4</a>.</li></ul>
</li></ol>
</p></li><li id="alm_26053__en-us_topic_0191813942_li572522141314"><a name="alm_26053__en-us_topic_0191813942_li572522141314"></a><a name="en-us_topic_0191813942_li572522141314"></a><span>Collect fault information.</span><p><ol type="a" id="alm_26053__en-us_topic_0191813942_en-us_topic_0191813935_ol6089206913036"><li id="alm_26053__en-us_topic_0191813942_en-us_topic_0191813935_li4478836213036">On MRS Manager, choose <span class="menucascade" id="alm_26053__menucascade3484848124214"><b><span class="uicontrol" id="alm_26053__uicontrol11483174819426">System</span></b> &gt; <b><span class="uicontrol" id="alm_26053__uicontrol44841448104211">Export Log</span></b></span>.</li><li id="alm_26053__li18574327401">Contact technical support engineers for help. For details, see <a href="https://docs.otc.t-systems.com/en-us/public/learnmore.html" target="_blank" rel="noopener noreferrer">technical support</a>.</li></ol>
</p></li></ol>
</div>
<div class="section" id="alm_26053__en-us_topic_0191813942_section42067024175620"><h4 class="sectiontitle">Related Information</h4><p id="alm_26053__en-us_topic_0191813942_p51985813175620">N/A</p>
</div>
</div>
<div>
<div class="familylinks">
<div class="parentlink"><strong>Parent topic:</strong> <a href="mrs_01_0241.html">Alarm Reference (Applicable to Versions Earlier Than MRS 3.x)</a></div>
</div>
</div>
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