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Youyuan, Pan fc383c6ab7 Uploading CES UMM Documents for the First Time
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Youyuan, Pan <panyouyuan@huawei.com>
Co-committed-by: Youyuan, Pan <panyouyuan@huawei.com>
2022-11-15 09:04:08 +00:00

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<h1 class="topictitle1">Why Are the Network Traffic Metric Values in Cloud Eye Different from Those Detected in ECS?</h1>
<div id="body8662426"><p id="ces_faq_0008__en-us_topic_0021062283_p62387627161931">Because the sampling period in Cloud Eye is different from that of the metric monitoring tool in ECS.</p>
<p id="ces_faq_0008__en-us_topic_0021062283_p23431297162820">Cloud Eye collects ECS and EVS disk data every 4 minutes (5 minutes for KVM ECSs). In contrast, the metric monitoring tool in ECS collects data every second.</p>
<p id="ces_faq_0008__en-us_topic_0021062283_p53344722163133">The larger the sampling period, the greater the data distortion in the short term. Cloud Eye is more suitable for long-term monitoring for websites and applications running on ECSs.</p>
<p id="ces_faq_0008__en-us_topic_0021062283_p2928922161916">Furthermore, to improve reliability, you can configure alarm thresholds to enable Cloud Eye to generate alarms where there are resource exceptions or insufficiencies.</p>
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<div class="parentlink"><strong>Parent topic:</strong> <a href="ces_faq_0062.html">Monitored Data Exceptions</a></div>
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