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Reviewed-by: Rumpler, Mihály <mihaly.rumpler@t-systems.com> Co-authored-by: weihongmin1 <weihongmin1@huawei.com> Co-committed-by: weihongmin1 <weihongmin1@huawei.com>
54 lines
4.1 KiB
HTML
54 lines
4.1 KiB
HTML
<a name="en-us_topic_0142168380"></a><a name="en-us_topic_0142168380"></a>
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<h1 class="topictitle1">Notes and Constraints</h1>
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<div id="body1543029540469"><p id="en-us_topic_0142168380__p15788121519183">The following are basic constraints on using tags:</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="en-us_topic_0142168380__table1433174412616" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Constraints</caption><thead align="left"><tr id="en-us_topic_0142168380__row19332194418260"><th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.2.2.3.1.1"><p id="en-us_topic_0142168380__p15332164418269">Item</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="50%" id="mcps1.3.2.2.3.1.2"><p id="en-us_topic_0142168380__p63321443266">Specifications</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="en-us_topic_0142168380__row23326443266"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.3.1.1 "><p id="en-us_topic_0142168380__p183327442264">Maximum number of key-value pairs you can add for each resource</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.3.1.2 "><p id="en-us_topic_0142168380__p14332544132611">20</p>
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</td>
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</tr>
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<tr id="en-us_topic_0142168380__row23321944182613"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.3.1.1 "><p id="en-us_topic_0142168380__p13332944162613">Tags of each resource</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.3.1.2 "><p id="en-us_topic_0142168380__p733394482611">For each resource, each tag key must be unique, and each tag key can have only one tag value.</p>
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</td>
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</tr>
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<tr id="en-us_topic_0142168380__row83331844162616"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.3.1.1 "><p id="en-us_topic_0142168380__p1233364410261">The maximum predefined tags that each account can create.</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.3.1.2 "><p id="en-us_topic_0142168380__p113332044152619">500</p>
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</td>
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</tr>
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<tr id="en-us_topic_0142168380__row13333124415268"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.3.1.1 "><p id="en-us_topic_0142168380__p733364417267">Predefined tags</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.3.1.2 "><p id="en-us_topic_0142168380__p611045583119">Predefined tags cannot be identical. Either their keys or values must be different. If you create a predefined tag that is identical to an existing predefined tag, the existing predefined tag will be overwritten.</p>
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</td>
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</tr>
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<tr id="en-us_topic_0142168380__row73334445269"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.3.1.1 "><p id="en-us_topic_0142168380__p1333315446267">Tag keys</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.3.1.2 "><p id="en-us_topic_0142168380__p11922163583313">A tag key can contain a maximum of 36 characters, including only digits, letters, hyphens (-), at signs (@), and underscores (_).</p>
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</td>
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</tr>
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<tr id="en-us_topic_0142168380__row1327316599316"><td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.3.1.1 "><p id="en-us_topic_0142168380__p13273959123115">Tag values</p>
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</td>
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<td class="cellrowborder" valign="top" width="50%" headers="mcps1.3.2.2.3.1.2 "><p id="en-us_topic_0142168380__p106321613123420">A tag value can contain a maximum of 43 characters, including only digits, letters, hyphens (-), at signs (@), and underscores (_).</p>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="note" id="en-us_topic_0142168380__note869212763712"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="en-us_topic_0142168380__p13731153713">Not all resources are supported by TMS. For which services and resources are supported, see <a href="en-us_topic_0056858747.html">TMS and Other Services</a>.</p>
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</div></div>
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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="en-us_topic_0056095606.html">Service Overview</a></div>
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</div>
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</div>
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