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Chen, Junjie
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Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Chen, Junjie <chenjunjie@huawei.com> Co-committed-by: Chen, Junjie <chenjunjie@huawei.com>
14 lines
1.1 KiB
HTML
14 lines
1.1 KiB
HTML
<a name="kafka-faq-200426006"></a><a name="kafka-faq-200426006"></a>
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<h1 class="topictitle1">How Do I Choose Between High I/O and Ultra-high I/O?</h1>
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<div id="body1587865149955"><ul id="kafka-faq-200426006__ul1913583824817"><li id="kafka-faq-200426006__li1813533864812">High I/O: The average latency is 6 to 10 ms, and the maximum bandwidth is 120 MB/s (read + write).</li><li id="kafka-faq-200426006__li41355388481">Ultra-high I/O: The average latency is 1 to 3 ms, and the maximum bandwidth is 320 MB/s (read + write).</li></ul>
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<p id="kafka-faq-200426006__p17600194715414">You are advised to select ultra-high I/O, because ultra-high I/O disks deliver much higher bandwidth than high I/O.</p>
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<p id="kafka-faq-200426006__p12199665380">Different bandwidth configurations support different disk types. For details, see <a href="Kafka-specification.html#Kafka-specification__en-us_topic_0159429488_table78751014154818">Table 1</a>.</p>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="kafka-faq-191030002.html">Instances</a></div>
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