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Yang, Tong
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Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com> Co-authored-by: Yang, Tong <yangtong2@huawei.com> Co-committed-by: Yang, Tong <yangtong2@huawei.com>
92 lines
10 KiB
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92 lines
10 KiB
HTML
<a name="ALM-29014"></a><a name="ALM-29014"></a>
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<h1 class="topictitle1">ALM-29014 Catalog FGC Time Exceeds the Threshold</h1>
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<div id="body58101744"><div class="section" id="ALM-29014__section3980122974317"><h4 class="sectiontitle">Alarm Description</h4><p id="ALM-29014__p1598018293434">The system checks the FGC time of the Catalog service every 60 seconds. This alarm is generated when the FGC time exceeds the threshold (12 seconds) for five consecutive times. This alarm is cleared when the FGC time is less than or equal to the threshold.</p>
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</div>
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<div class="section" id="ALM-29014__section19801296431"><h4 class="sectiontitle">Alarm Attributes</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ALM-29014__table8980102912435" frame="border" border="1" rules="all"><thead align="left"><tr id="ALM-29014__row159801129114318"><th align="left" class="cellrowborder" valign="top" width="33.33333333333333%" id="mcps1.3.2.2.1.4.1.1"><p id="ALM-29014__p1498062964312">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-29014__p89801029144317">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-29014__p09807291430">Auto Cleared</p>
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<tbody><tr id="ALM-29014__row598020294439"><td class="cellrowborder" valign="top" width="33.33333333333333%" headers="mcps1.3.2.2.1.4.1.1 "><p id="ALM-29014__p398012911433">29014</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-29014__p1798032914435">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-29014__p1098052917438">Yes</p>
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</div>
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<div class="section" id="ALM-29014__section1498172914436"><h4 class="sectiontitle">Alarm Parameters</h4>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="ALM-29014__table1498152994320" frame="border" border="1" rules="all"><thead align="left"><tr id="ALM-29014__row1098142911430"><th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.2.1.4.1.1"><p id="ALM-29014__p563318417372">Type</p>
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<th align="left" class="cellrowborder" valign="top" width="20%" id="mcps1.3.3.2.1.4.1.2"><p id="ALM-29014__p9981112918439">Parameter</p>
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<th align="left" class="cellrowborder" valign="top" width="60%" id="mcps1.3.3.2.1.4.1.3"><p id="ALM-29014__p1498117299431">Description</p>
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<tbody><tr id="ALM-29014__row16981132912430"><td class="cellrowborder" rowspan="4" valign="top" width="20%" headers="mcps1.3.3.2.1.4.1.1 "><p id="ALM-29014__p175841353173714">Location Information</p>
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<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.1.4.1.2 "><p id="ALM-29014__p398172954315">Source</p>
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<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.3.2.1.4.1.3 "><p id="ALM-29014__p1498152910435">Specifies the cluster for which the alarm was generated.</p>
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<tr id="ALM-29014__row298132919438"><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.1.4.1.1 "><p id="ALM-29014__p1298114291434">ServiceName</p>
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<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.1.4.1.2 "><p id="ALM-29014__p7981162911438">Specifies the service for which the alarm was generated.</p>
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<tr id="ALM-29014__row10981172954311"><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.1.4.1.1 "><p id="ALM-29014__p598111297437">RoleName</p>
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<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.1.4.1.2 "><p id="ALM-29014__p79811629144314">Specifies the role for which the alarm was generated.</p>
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<tr id="ALM-29014__row1898182934315"><td class="cellrowborder" valign="top" headers="mcps1.3.3.2.1.4.1.1 "><p id="ALM-29014__p098115293435">HostName</p>
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<td class="cellrowborder" valign="top" headers="mcps1.3.3.2.1.4.1.2 "><p id="ALM-29014__p1298172934317">Specifies the host for which the alarm was generated.</p>
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<tr id="ALM-29014__row4981182904315"><td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.1.4.1.1 "><p id="ALM-29014__p1163314123715">Additional Information</p>
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<td class="cellrowborder" valign="top" width="20%" headers="mcps1.3.3.2.1.4.1.2 "><p id="ALM-29014__p109811529154312">Trigger Condition</p>
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<td class="cellrowborder" valign="top" width="60%" headers="mcps1.3.3.2.1.4.1.3 "><p id="ALM-29014__p8981182916434">Specifies the threshold for triggering the alarm.</p>
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</td>
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</tbody>
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</table>
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</div>
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</div>
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<div class="section" id="ALM-29014__section1798112919439"><h4 class="sectiontitle">Impact on the System</h4><p id="ALM-29014__p898142994317">Data read and write are affected.</p>
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</div>
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<div class="section" id="ALM-29014__section29811829134319"><h4 class="sectiontitle">Possible Causes</h4><p id="ALM-29014__p39811229174312">The memory of the node instance is overused or the heap memory is inappropriately allocated, causing frequent occurrence of the GC process.</p>
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</div>
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<div class="section" id="ALM-29014__section6981172914311"><h4 class="sectiontitle">Handling Procedure</h4><p class="tableheading" id="ALM-29014__p498117295433"><strong id="ALM-29014__b484018292591">Check the GC time.</strong></p>
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<ol id="ALM-29014__ol109821829164313"><li id="ALM-29014__li10982129144318"><a name="ALM-29014__li10982129144318"></a><a name="li10982129144318"></a><span>Choose <strong id="ALM-29014__b651173512595">O&M</strong> > <strong id="ALM-29014__b1751535175914">Alarm</strong> > <strong id="ALM-29014__b2051143575918">Thresholds</strong>, click the name of the desired cluster, choose <strong id="ALM-29014__b551123516590">Impala</strong> > <strong id="ALM-29014__b1351183511599">Process FGCT</strong> > <strong id="ALM-29014__b251163515591">Process FGCT of Catalog (Catalog)</strong>, and check the threshold (12s by default).</span><p><p id="ALM-29014__p95139951510"><span><img id="ALM-29014__image74411454134614" src="en-us_image_0000001971010178.png"></span></p>
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</p></li><li id="ALM-29014__li198242914319"><span>Log in to FusionInsight Manager, choose <strong id="ALM-29014__b366210414017">O&M</strong> > <strong id="ALM-29014__b12662134407">Alarm</strong> > <strong id="ALM-29014__b1866220415018">Alarms</strong>, and check whether the alarm whose <strong id="ALM-29014__b8662645014">Alarm ID</strong> is <strong id="ALM-29014__b466244604">29014</strong> exists in the alarm list.</span><p><ul id="ALM-29014__ul19814443101610"><li id="ALM-29014__li18141943121617">If yes, go to <a href="#ALM-29014__li244181931712">3</a>.</li><li id="ALM-29014__li237711467169">If no, no further action is required.</li></ul>
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</p></li><li id="ALM-29014__li244181931712"><a name="ALM-29014__li244181931712"></a><a name="li244181931712"></a><span>On FusionInsight Manager, choose <strong id="ALM-29014__b15332201608">Cluster</strong> > <strong id="ALM-29014__b93312202014">Impala</strong>, click the <strong id="ALM-29014__b1833020701">Instance</strong> tab, select the Catalog instance for which the alarm is generated, then click the <strong id="ALM-29014__b53315201002">Chart</strong> tab, locate the <strong id="ALM-29014__b20336201408">Process FGCT</strong> chart, and check whether the FGC time is greater than the threshold in <a href="#ALM-29014__li10982129144318">1</a>.</span><p><ul id="ALM-29014__ul122729421179"><li id="ALM-29014__li13272242121710">If yes, go to <a href="#ALM-29014__li12325539141817">4</a>.</li><li id="ALM-29014__li17888154471713">If no, go to <a href="#ALM-29014__li1698242954313">5</a>.</li></ul>
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</p></li><li id="ALM-29014__li12325539141817"><a name="ALM-29014__li12325539141817"></a><a name="li12325539141817"></a><span>Choose <strong id="ALM-29014__b14976134810111">O&M</strong> > <strong id="ALM-29014__b199762481215">Alarm</strong> > <strong id="ALM-29014__b1097620483113">Thresholds</strong>, click the name of the desired cluster, choose <strong id="ALM-29014__b49773486110">Impala</strong> > <strong id="ALM-29014__b169774487110">Process FGCT</strong> > <strong id="ALM-29014__b5977848418">Process FGCT of Catalog (Catalog)</strong>, and change the threshold to a value less than the time obtained in <a href="#ALM-29014__li244181931712">3</a>. Then, check whether the alarm is cleared.</span><p><ul id="ALM-29014__ul510774915176"><li id="ALM-29014__li131082049111717">If yes, no further action is required.</li><li id="ALM-29014__li4391255141719">If no, go to <a href="#ALM-29014__li1698242954313">5</a>.</li></ul>
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</p></li></ol>
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<p class="tableheading" id="ALM-29014__p39821129144316"><strong id="ALM-29014__b14938391926">Collect fault information.</strong></p>
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<ol start="5" id="ALM-29014__ol189821329134317"><li id="ALM-29014__li1698242954313"><a name="ALM-29014__li1698242954313"></a><a name="li1698242954313"></a><span>On FusionInsight Manager of the active or standby cluster, choose <strong id="ALM-29014__b1075415408215">O&M</strong>. In the navigation pane on the left, choose <strong id="ALM-29014__b127541940928">Log</strong> > <strong id="ALM-29014__b47542404216">Download</strong>.</span></li><li id="ALM-29014__li27049781154249"><span>Expand the <strong id="ALM-29014__b3810242725">Service</strong> drop-down list, and select <strong id="ALM-29014__b381020421218">Impala</strong> for the target cluster.</span></li><li id="ALM-29014__li1498212919436"><span>Click the edit icon in the upper right corner, and set <strong id="ALM-29014__b107981112115816">Start Date</strong> and <strong id="ALM-29014__b1879815124585">End Date</strong> for log collection to 10 minutes ahead of and after the alarm generation time, respectively. Then, click <strong id="ALM-29014__b19798121215811">Download</strong>.</span></li><li id="ALM-29014__li56393916154249"><span>Contact <span id="ALM-29014__text1230616520211">O&M personnel</span> and provide the collected logs.</span></li></ol>
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</div>
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<div class="section" id="ALM-29014__section19982122910436"><h4 class="sectiontitle">Alarm Clearance</h4><p id="ALM-29014__p149821529154312">This alarm is automatically cleared after the fault is rectified.</p>
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</div>
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<div class="section" id="ALM-29014__section1298211296431"><h4 class="sectiontitle">Related Information</h4><p id="ALM-29014__p12982152913438">None</p>
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</div>
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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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</div>
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</div>
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