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Chen, Junjie
748ac2c008
Reviewed-by: Mützel, Andrea <andrea.muetzel@t-systems.com> Co-authored-by: Chen, Junjie <chenjunjie@huawei.com> Co-committed-by: Chen, Junjie <chenjunjie@huawei.com>
17 lines
2.2 KiB
HTML
17 lines
2.2 KiB
HTML
<a name="dcs-migration-211125001"></a><a name="dcs-migration-211125001"></a>
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<h1 class="topictitle1">What If "Disconnecting timedout slave" and "overcoming of output buffer limits" Are Reported on the Source Instance During Online Migration?</h1>
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<div id="body8662426"><p id="dcs-migration-211125001__dcs-migration-211125001_0_p15311171918304">The following error messages may be displayed during online migration:</p>
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<ul id="dcs-migration-211125001__dcs-migration-211125001_0_ul19658511173115"><li id="dcs-migration-211125001__dcs-migration-211125001_0_li19659181183117">"Disconnecting timedout slave" is reported on the source instance, as shown in the following figure:<p id="dcs-migration-211125001__dcs-migration-211125001_0_p82103563416"><a name="dcs-migration-211125001__dcs-migration-211125001_0_li19659181183117"></a><a name="dcs-migration-211125001_0_li19659181183117"></a><span><img id="dcs-migration-211125001__dcs-migration-211125001_0_image20211935143420" src="en-us_image_0000001227082869.png"></span></p>
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<p id="dcs-migration-211125001__dcs-migration-211125001_0_p17459604355">Solution: Set the <strong id="dcs-migration-211125001__dcs-migration-211125001_0_b060345664017">repl-timeout</strong> parameter of the source Redis instance to 300s.</p>
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</li><li id="dcs-migration-211125001__dcs-migration-211125001_0_li759711137361">"overcoming of output buffer limits" is reported on the source instance, as shown in the following figure:<p id="dcs-migration-211125001__dcs-migration-211125001_0_p1395113716384"><a name="dcs-migration-211125001__dcs-migration-211125001_0_li759711137361"></a><a name="dcs-migration-211125001_0_li759711137361"></a><span><img id="dcs-migration-211125001__dcs-migration-211125001_0_image539563713384" src="en-us_image_0000001226966281.png"></span></p>
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<p id="dcs-migration-211125001__dcs-migration-211125001_0_p6945018164019">Solution: Set the <strong id="dcs-migration-211125001__dcs-migration-211125001_0_b145291461414">client-output-buffer-limit</strong> parameter of the source Redis instance to 20% of the maximum memory of the instance.</p>
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</li></ul>
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</div>
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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="dcs-faq-0326024.html">Data Backup, Export, and Migration</a></div>
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</div>
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</div>
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