forked from docs/doc-exports
Dong, Qiu Jian
f7b9a88535
Reviewed-by: Kovács, Zoltán <zkovacs@t-systems.com> Co-authored-by: Dong, Qiu Jian <qiujiandong1@huawei.com> Co-committed-by: Dong, Qiu Jian <qiujiandong1@huawei.com>
14 lines
1.9 KiB
HTML
14 lines
1.9 KiB
HTML
<a name="cce_bestpractice_0349"></a><a name="cce_bestpractice_0349"></a>
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<h1 class="topictitle1">Selecting a Proper Image</h1>
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<div id="body8662426"><p id="cce_bestpractice_0349__en-us_topic_0000001370914073_p147mcpsimp">The musl libc library of the Alpine container image differs from the standard glibc library in the following aspects:</p>
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<ul id="cce_bestpractice_0349__en-us_topic_0000001370914073_ul148mcpsimp"><li id="cce_bestpractice_0349__en-us_topic_0000001370914073_li149mcpsimp">Alpine 3.3 and earlier versions do not support the <strong id="cce_bestpractice_0349__b962551144113">search</strong> parameter. As a result, search domains cannot be specified for discovering Services.</li><li id="cce_bestpractice_0349__en-us_topic_0000001370914073_li150mcpsimp">Multiple DNS servers configured in <strong id="cce_bestpractice_0349__b1660385416506">/etc/resolve.conf</strong> are concurrently requested. As a result, NodeLocal DNSCache cannot improve the DNS performance.</li><li id="cce_bestpractice_0349__en-us_topic_0000001370914073_li151mcpsimp">When the same Socket is used to request A and AAAA records concurrently, the Conntrack source port conflict is triggered in the kernel of an earlier version. As a result, packet loss occurs.</li><li id="cce_bestpractice_0349__en-us_topic_0000001370914073_li152mcpsimp">If the domain name cannot be resolved when Alpine is used as the base container image, update the base container image for testing.</li></ul>
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<p id="cce_bestpractice_0349__en-us_topic_0000001370914073_p153mcpsimp">For details about the functional differences from glibc, see <a href="https://wiki.musl-libc.org/functional-differences-from-glibc.html" target="_blank" rel="noopener noreferrer">Functional differences from glibc</a>.</p>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="cce_bestpractice_0347.html">Client</a></div>
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</div>
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