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Yang, Tong
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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>
86 lines
10 KiB
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86 lines
10 KiB
HTML
<a name="ALM-24008"></a><a name="ALM-24008"></a>
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<h1 class="topictitle1">ALM-24008 Flume Server Non Heap Memory Usage Exceeds the Threshold</h1>
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<div id="body10932093"><div class="section" id="ALM-24008__section26053439"><h4 class="sectiontitle">Description</h4><p id="ALM-24008__p13084344">The system checks the non-heap memory usage of the Flume service every 60 seconds. This alarm is generated when the non-heap memory usage of the Flume instance exceeds the threshold (80% of the maximum memory) for five consecutive times. This alarm is cleared when the non-heap memory usage is less than the threshold.</p>
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<div class="section" id="ALM-24008__section33154367"><h4 class="sectiontitle">Attribute</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ALM-24008__table53198919" frame="border" border="1" rules="all"><thead align="left"><tr id="ALM-24008__row62016895"><th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.1"><p id="ALM-24008__p57312624">Alarm ID</p>
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<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.2"><p id="ALM-24008__p11811006">Alarm Severity</p>
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<th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.3"><p id="ALM-24008__p17167440">Auto Clear</p>
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<tbody><tr id="ALM-24008__row48385423"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.1 "><p id="ALM-24008__p26905186">24008</p>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.2 "><p id="ALM-24008__p31836466">Major</p>
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<td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.3 "><p id="ALM-24008__p28616934">Yes</p>
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<div class="section" id="ALM-24008__section29953848"><h4 class="sectiontitle">Parameters</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ALM-24008__table36270311" frame="border" border="1" rules="all"><thead align="left"><tr id="ALM-24008__row13312348"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.1"><p id="ALM-24008__p4558436">Name</p>
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<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.3.2.1.3.1.2"><p id="ALM-24008__p33689020">Meaning</p>
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<tbody><tr id="ALM-24008__row1348133541510"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-24008__p13858113752316">Source</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-24008__p187931338134115">Specifies the cluster for which the alarm is generated.</p>
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<tr id="ALM-24008__row44456076"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-24008__p39123317">ServiceName</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-24008__p21195702">Specifies the service for which the alarm is generated.</p>
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<tr id="ALM-24008__row56543598"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-24008__p37226997">RoleName</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-24008__p4748349">Specifies the role for which the alarm is generated.</p>
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<tr id="ALM-24008__row42735142"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-24008__p66118565">HostName</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-24008__p4433805">Specifies the host for which the alarm is generated.</p>
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<tr id="ALM-24008__row39904249"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.1 "><p id="ALM-24008__p11018704">Trigger Condition</p>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.3.2.1.3.1.2 "><p id="ALM-24008__p20099852">Specifies the threshold for triggering the alarm.</p>
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<div class="section" id="ALM-24008__section1149181"><h4 class="sectiontitle">Impact on the System</h4><p id="ALM-24008__p17475349">Non-heap memory overflow may cause service breakdown.</p>
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<div class="section" id="ALM-24008__section10342629"><h4 class="sectiontitle">Possible Causes</h4><p id="ALM-24008__p6217170">The non-heap memory of the Flume instance is overused or the non-heap memory is inappropriately allocated.</p>
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<div class="section" id="ALM-24008__section25974803"><h4 class="sectiontitle">Procedure</h4><p id="ALM-24008__p33828780"><strong id="ALM-24008__b2631472111298">Check non-heap memory usage.</strong></p>
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<ol id="ALM-24008__ol36023567"><li id="ALM-24008__li55776650"><span>Log in to FusionInsight Manager and choose <strong id="ALM-24008__b2631920393">O&M</strong>. In the navigation pane on the left, choose <strong id="ALM-24008__b1063912209920">Alarm</strong> > <strong id="ALM-24008__b364011202919">Alarms</strong>. On the page that is displayed, locate the row containing <strong id="ALM-24008__b116411520891">Flume Non Heap Memory Usage Exceeds the Threshold</strong>, and view the <strong id="ALM-24008__b1364112012915">Location</strong> information. Check the name of the host for which the alarm is generated.</span></li><li id="ALM-24008__li32227806"><span>On FusionInsight Manager, choose <strong id="ALM-24008__b99814481492">Cluster</strong> > <em id="ALM-24008__i1810610483912">Name of the target cluster</em> > <strong id="ALM-24008__b181071248099">Services</strong> > <strong id="ALM-24008__b1210810481199">Flume</strong>. On the page that is displayed, click the <strong id="ALM-24008__b15109748998">Instance</strong> tab. On the displayed tab page, select the role corresponding to the host name for which the alarm is generated and select <strong id="ALM-24008__b15109164816912">Customize</strong> from the drop-down list in the upper right corner of the chart area. Choose <strong id="ALM-24008__b31106481394">Agent</strong> and select <strong id="ALM-24008__b151101248194">Flume Non Heap Memory Resource Percentage</strong>. Then, click <strong id="ALM-24008__b1811120481797">OK</strong>.</span></li><li id="ALM-24008__li21614805"><span>Check whether the non-heap memory used by Flume reaches the threshold (80% of the maximum non-heap memory by default).</span><p><ul id="ALM-24008__ul60315518"><li id="ALM-24008__li5968756">If yes, go to <a href="#ALM-24008__li29985659161559">4</a>.</li><li id="ALM-24008__li13707216">If no, go to <a href="#ALM-24008__d0e44186">6</a>.</li></ul>
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</p></li><li id="ALM-24008__li29985659161559"><a name="ALM-24008__li29985659161559"></a><a name="li29985659161559"></a><span>On FusionInsight Manager, choose <strong id="ALM-24008__b13357133161110">Cluster</strong> > <em id="ALM-24008__i14366163161119">Name of the desired cluster</em> > <strong id="ALM-24008__b63661831171119">Service</strong> > <strong id="ALM-24008__b036719311117">Flume</strong> > <strong id="ALM-24008__b113676312113">Configuration</strong>. On the page that is displayed, click <strong id="ALM-24008__b0368131121113">All Configurations</strong> and choose <strong id="ALM-24008__b936843171111">Flume</strong> > <strong id="ALM-24008__b16369123110110">System</strong>. Set <strong id="ALM-24008__b11304051812">-XX: MaxPermSize</strong> in the <strong id="ALM-24008__b74312012183">GC_OPTS</strong> parameter to a larger value based on site requirements and save the configuration.</span><p><div class="note" id="ALM-24008__note1572143455414"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="ALM-24008__p65732349545">If this alarm is generated, the non-heap memory size configured for the Flume server instance cannot meet service requirements. You are advised to change the value of <strong id="ALM-24008__b17163133751211">-XX:MaxPermSize</strong> to twice the current non-heap memory size or change the value based on site requirements.</p>
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</div></div>
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</p></li><li id="ALM-24008__li60448593"><span>Restart the affected services or instances and check whether the alarm is cleared.</span><p><ul id="ALM-24008__ul7166428"><li id="ALM-24008__li64497859">If yes, no further action is required.</li><li id="ALM-24008__li43609821">If no, go to <a href="#ALM-24008__d0e44186">6</a>.</li></ul>
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</p></li></ol>
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<p id="ALM-24008__p42734651"><strong id="ALM-24008__b36366128112920">Collect the fault information.</strong></p>
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<ol start="6" id="ALM-24008__ol15264135112926"><li id="ALM-24008__d0e44186"><a name="ALM-24008__d0e44186"></a><a name="d0e44186"></a><span>On FusionInsight Manager, choose <strong id="ALM-24008__b02151739141311">O&M</strong>. In the navigation pane on the left, choose <strong id="ALM-24008__b102151039161314">Log</strong> > <strong id="ALM-24008__b52167395136">Download</strong>.</span></li><li id="ALM-24008__li15048140"><span>Expand the <strong id="ALM-24008__b5767174511139">Service</strong> drop-down list, and select <strong id="ALM-24008__b87789454134">Flume</strong> for the target cluster.</span></li><li id="ALM-24008__li1215532"><span>Click <span><img id="ALM-24008__image1919155241313" src="en-us_image_0263895532.png"></span> in the upper right corner, and set <strong id="ALM-24008__b14201115214134">Start Date</strong> and <strong id="ALM-24008__b22011652181316">End Date</strong> for log collection to 10 minutes ahead of and after the alarm generation time, respectively. Then, click <strong id="ALM-24008__b8202135211137">Download</strong>.</span></li><li id="ALM-24008__li10939791"><span>Contact <span id="ALM-24008__text19181656181311">O&M personnel</span> and provide the collected logs.</span></li></ol>
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<div class="section" id="ALM-24008__section169311343318"><h4 class="sectiontitle">Alarm Clearing</h4><p id="ALM-24008__p754913417333">This alarm is automatically cleared after the fault is rectified.</p>
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<div class="section" id="ALM-24008__section53362350"><h4 class="sectiontitle">Related Information</h4><p id="ALM-24008__p7522741">None</p>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="mrs_01_1298.html">Alarm Reference (Applicable to MRS 3.x)</a></div>
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