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Yang, Tong
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Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: Yang, Tong <yangtong2@huawei.com> Co-committed-by: Yang, Tong <yangtong2@huawei.com>
73 lines
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73 lines
12 KiB
HTML
<a name="mrs_01_24022"></a><a name="mrs_01_24022"></a>
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<h1 class="topictitle1">Creating a Data Connection on the Flink Web UI</h1>
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<div id="body32001227"><div class="section" id="mrs_01_24022__en-us_topic_0000001219230571_s9f93d0a70cdc4575b48c96902a562dfe"><h4 class="sectiontitle">Scenario</h4><p id="mrs_01_24022__en-us_topic_0000001219230571_p7684161264218">Different data services can be accessed through data connections. Currently, FlinkServer supports HDFS, Kafka data connections.</p>
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<div class="section" id="mrs_01_24022__en-us_topic_0000001219230571_section1746418521537"><h4 class="sectiontitle">Creating a Data Connection</h4><ol id="mrs_01_24022__en-us_topic_0000001219230571_ol10782141514100"><li id="mrs_01_24022__en-us_topic_0000001219230571_li17782181511106"><span>Access the Flink web UI. For details, see <a href="mrs_01_24019.html">Accessing the Flink Web UI</a>.</span></li><li id="mrs_01_24022__en-us_topic_0000001219230571_li63513497107"><span>Choose <strong id="mrs_01_24022__en-us_topic_0000001219230571_b9804111871111">System Management</strong> > <strong id="mrs_01_24022__en-us_topic_0000001219230571_b12804818141111">Data Connection Management</strong>. The <strong id="mrs_01_24022__en-us_topic_0000001219230571_b188051118201115">Data Connection Management</strong> page is displayed.</span></li><li id="mrs_01_24022__en-us_topic_0000001219230571_li16577753151119"><span>Click <strong id="mrs_01_24022__en-us_topic_0000001219230571_b81712419120">Create Data Connection</strong>. On the displayed page, select a data connection type, enter information by referring to <a href="#mrs_01_24022__en-us_topic_0000001219230571_table134890201518">Table 1</a>, and click <strong id="mrs_01_24022__en-us_topic_0000001219230571_b7993151791319">OK</strong>.</span><p>
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<div class="tablenoborder"><a name="mrs_01_24022__en-us_topic_0000001219230571_table134890201518"></a><a name="en-us_topic_0000001219230571_table134890201518"></a><table cellpadding="4" cellspacing="0" summary="" id="mrs_01_24022__en-us_topic_0000001219230571_table134890201518" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Parameters for creating a data connection</caption><thead align="left"><tr id="mrs_01_24022__en-us_topic_0000001219230571_row1491004152"><th align="left" class="cellrowborder" valign="top" width="18.078192180781922%" id="mcps1.3.2.2.3.2.1.2.4.1.1"><p id="mrs_01_24022__en-us_topic_0000001219230571_p9491904151">Parameter</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="58.44415558444156%" id="mcps1.3.2.2.3.2.1.2.4.1.2"><p id="mrs_01_24022__en-us_topic_0000001219230571_p14917016153">Description</p>
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</th>
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<th align="left" class="cellrowborder" valign="top" width="23.477652234776524%" id="mcps1.3.2.2.3.2.1.2.4.1.3"><p id="mrs_01_24022__en-us_topic_0000001219230571_p17496071518">Example Value</p>
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</th>
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</tr>
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</thead>
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<tbody><tr id="mrs_01_24022__en-us_topic_0000001219230571_row8491603157"><td class="cellrowborder" valign="top" width="18.078192180781922%" headers="mcps1.3.2.2.3.2.1.2.4.1.1 "><p id="mrs_01_24022__en-us_topic_0000001219230571_p2049120111519">Data Connection Type</p>
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</td>
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<td class="cellrowborder" valign="top" width="58.44415558444156%" headers="mcps1.3.2.2.3.2.1.2.4.1.2 "><p id="mrs_01_24022__en-us_topic_0000001219230571_p84916071517">Type of the data connection, which can be <strong id="mrs_01_24022__en-us_topic_0000001219230571_b139131519146">HDFS</strong>, <strong id="mrs_01_24022__en-us_topic_0000001219230571_b1396191515147">Kafka</strong>.</p>
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</td>
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<td class="cellrowborder" valign="top" width="23.477652234776524%" headers="mcps1.3.2.2.3.2.1.2.4.1.3 "><p id="mrs_01_24022__en-us_topic_0000001219230571_p1149110141519">-</p>
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</td>
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</tr>
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<tr id="mrs_01_24022__en-us_topic_0000001219230571_row1749307153"><td class="cellrowborder" valign="top" width="18.078192180781922%" headers="mcps1.3.2.2.3.2.1.2.4.1.1 "><p id="mrs_01_24022__en-us_topic_0000001219230571_p174980131510">Data Connection Name</p>
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</td>
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<td class="cellrowborder" valign="top" width="58.44415558444156%" headers="mcps1.3.2.2.3.2.1.2.4.1.2 "><p id="mrs_01_24022__en-us_topic_0000001219230571_p17491408153">Name of the data connection, which can contain a maximum of 100 characters. Only letters, digits, and underscores (_) are allowed.</p>
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<td class="cellrowborder" valign="top" width="23.477652234776524%" headers="mcps1.3.2.2.3.2.1.2.4.1.3 "><p id="mrs_01_24022__en-us_topic_0000001219230571_p34980101513">-</p>
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</td>
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</tr>
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<tr id="mrs_01_24022__en-us_topic_0000001219230571_row174950131510"><td class="cellrowborder" valign="top" width="18.078192180781922%" headers="mcps1.3.2.2.3.2.1.2.4.1.1 "><p id="mrs_01_24022__en-us_topic_0000001219230571_p13494015152">Cluster Connection</p>
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</td>
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<td class="cellrowborder" valign="top" width="58.44415558444156%" headers="mcps1.3.2.2.3.2.1.2.4.1.2 "><p id="mrs_01_24022__en-us_topic_0000001219230571_p45019018154">Cluster connection name in configuration management.</p>
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<p id="mrs_01_24022__en-us_topic_0000001219230571_p07443810386">This parameter is mandatory for HDFS data connections.</p>
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<td class="cellrowborder" valign="top" width="23.477652234776524%" headers="mcps1.3.2.2.3.2.1.2.4.1.3 "><p id="mrs_01_24022__en-us_topic_0000001219230571_p115020191513">-</p>
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</tr>
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<tr id="mrs_01_24022__en-us_topic_0000001219230571_row250402157"><td class="cellrowborder" valign="top" width="18.078192180781922%" headers="mcps1.3.2.2.3.2.1.2.4.1.1 "><p id="mrs_01_24022__en-us_topic_0000001219230571_p6501105154">Kafka broker</p>
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</td>
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<td class="cellrowborder" valign="top" width="58.44415558444156%" headers="mcps1.3.2.2.3.2.1.2.4.1.2 "><p id="mrs_01_24022__en-us_topic_0000001219230571_p17804518172417">Connection information about Kafka broker instances. The format is <em id="mrs_01_24022__en-us_topic_0000001219230571_i0796552203">IP address</em>:<em id="mrs_01_24022__en-us_topic_0000001219230571_i1839189162013">Port number</em>. Use commas (,) to separate multiple instances.</p>
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<p id="mrs_01_24022__en-us_topic_0000001219230571_p9213181141216">This parameter is mandatory for Kafka data connections.</p>
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</td>
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<td class="cellrowborder" valign="top" width="23.477652234776524%" headers="mcps1.3.2.2.3.2.1.2.4.1.3 "><p id="mrs_01_24022__en-us_topic_0000001219230571_p18857753349">192.168.0.1:21005,192.168.0.2:21005</p>
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</td>
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</tr>
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<tr id="mrs_01_24022__en-us_topic_0000001219230571_row1450507157"><td class="cellrowborder" valign="top" width="18.078192180781922%" headers="mcps1.3.2.2.3.2.1.2.4.1.1 "><p id="mrs_01_24022__en-us_topic_0000001219230571_p6500051518">Authentication Mode</p>
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</td>
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<td class="cellrowborder" valign="top" width="58.44415558444156%" headers="mcps1.3.2.2.3.2.1.2.4.1.2 "><ul id="mrs_01_24022__en-us_topic_0000001219230571_ul1922510340463"><li id="mrs_01_24022__en-us_topic_0000001219230571_li6722037114611"><strong id="mrs_01_24022__en-us_topic_0000001219230571_b635093514115">SIMPLE</strong>: indicates that the connected service is in non-security mode and does not need to be authenticated.</li><li id="mrs_01_24022__en-us_topic_0000001219230571_li22256345464"><strong id="mrs_01_24022__en-us_topic_0000001219230571_b1693416364114">KERBEROS</strong>: indicates that the connected service is in security mode and the Kerberos protocol for security authentication is used for authentication.</li></ul>
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<p id="mrs_01_24022__en-us_topic_0000001219230571_p712012510409">This parameter is mandatory for Kafka data connections.</p>
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<td class="cellrowborder" valign="top" width="23.477652234776524%" headers="mcps1.3.2.2.3.2.1.2.4.1.3 "><p id="mrs_01_24022__en-us_topic_0000001219230571_p135040161515">-</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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</p></li></ol>
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</div>
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<div class="section" id="mrs_01_24022__en-us_topic_0000001219230571_section1046945219530"><h4 class="sectiontitle">Editing a Data Connection</h4><ol id="mrs_01_24022__en-us_topic_0000001219230571_ol14500192833618"><li id="mrs_01_24022__en-us_topic_0000001219230571_li229653873613"><span>Access the Flink web UI. For details, see <a href="mrs_01_24019.html">Accessing the Flink Web UI</a>.</span></li><li id="mrs_01_24022__en-us_topic_0000001219230571_li15296153833610"><span>Choose <strong id="mrs_01_24022__en-us_topic_0000001219230571_b793112919172">System Management</strong> > <strong id="mrs_01_24022__en-us_topic_0000001219230571_b39324910171">Data Connection Management</strong>. The <strong id="mrs_01_24022__en-us_topic_0000001219230571_b19329961715">Data Connection Management</strong> page is displayed.</span></li><li id="mrs_01_24022__en-us_topic_0000001219230571_li8522134012367"><span>In the <strong id="mrs_01_24022__en-us_topic_0000001219230571_b182444121176">Operation</strong> column of the item to be modified, click <strong id="mrs_01_24022__en-us_topic_0000001219230571_b17244212111717">Edit</strong>. On the displayed page, modify the connection information by referring to <a href="#mrs_01_24022__en-us_topic_0000001219230571_table134890201518">Table 1</a> and click <strong id="mrs_01_24022__en-us_topic_0000001219230571_b14245131217174">OK</strong>.</span></li></ol>
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<div class="section" id="mrs_01_24022__en-us_topic_0000001219230571_section1199215142008"><h4 class="sectiontitle">Testing a Data Connection</h4><ol id="mrs_01_24022__en-us_topic_0000001219230571_ol844765514594"><li id="mrs_01_24022__en-us_topic_0000001219230571_li18447355135912"><span>Access the Flink web UI. For details, see <a href="mrs_01_24019.html">Accessing the Flink Web UI</a>.</span></li><li id="mrs_01_24022__en-us_topic_0000001219230571_li16447145545917"><span>Choose <strong id="mrs_01_24022__en-us_topic_0000001219230571_b633244117171">System Management</strong> > <strong id="mrs_01_24022__en-us_topic_0000001219230571_b9332104191711">Data Connection Management</strong>. The <strong id="mrs_01_24022__en-us_topic_0000001219230571_b1333216415174">Data Connection Management</strong> page is displayed.</span></li><li id="mrs_01_24022__en-us_topic_0000001219230571_li164471055115912"><span>In the <strong id="mrs_01_24022__en-us_topic_0000001219230571_b139704434174">Operation</strong> column of the item to be tested, click <strong id="mrs_01_24022__en-us_topic_0000001219230571_b17975184301719">Test</strong>.</span></li></ol>
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</div>
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<div class="section" id="mrs_01_24022__en-us_topic_0000001219230571_section7395324902"><h4 class="sectiontitle">Searching for a Data Connection</h4><ol id="mrs_01_24022__en-us_topic_0000001219230571_ol944895505915"><li id="mrs_01_24022__en-us_topic_0000001219230571_li15448195565916"><span>Access the Flink web UI. For details, see <a href="mrs_01_24019.html">Accessing the Flink Web UI</a>.</span></li><li id="mrs_01_24022__en-us_topic_0000001219230571_li1744816554599"><span>Choose <strong id="mrs_01_24022__en-us_topic_0000001219230571_b566785919170">System Management</strong> > <strong id="mrs_01_24022__en-us_topic_0000001219230571_b6672135920174">Data Connection Management</strong>. The <strong id="mrs_01_24022__en-us_topic_0000001219230571_b1567265951712">Data Connection Management</strong> page is displayed.</span></li><li id="mrs_01_24022__en-us_topic_0000001219230571_li14488552596"><span>In the upper right corner of the page, you can search for a data connection by name.</span></li></ol>
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</div>
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<div class="section" id="mrs_01_24022__en-us_topic_0000001219230571_section1777213522003"><h4 class="sectiontitle">Deleting a Data Connection</h4><ol id="mrs_01_24022__en-us_topic_0000001219230571_ol1447185535914"><li id="mrs_01_24022__en-us_topic_0000001219230571_li18447455185918"><span>Access the Flink web UI. For details, see <a href="mrs_01_24019.html">Accessing the Flink Web UI</a>.</span></li><li id="mrs_01_24022__en-us_topic_0000001219230571_li244710551590"><span>Choose <strong id="mrs_01_24022__en-us_topic_0000001219230571_b951701731920">System Management</strong> > <strong id="mrs_01_24022__en-us_topic_0000001219230571_b951781741910">Data Connection Management</strong>. The <strong id="mrs_01_24022__en-us_topic_0000001219230571_b3517181791913">Data Connection Management</strong> page is displayed.</span></li><li id="mrs_01_24022__en-us_topic_0000001219230571_li16447855145917"><span>In the <strong id="mrs_01_24022__en-us_topic_0000001219230571_b189882197196">Operation</strong> column of the item to be deleted, click <strong id="mrs_01_24022__en-us_topic_0000001219230571_b1298811901912">Delete</strong>, and click <strong id="mrs_01_24022__en-us_topic_0000001219230571_b4988519131917">OK</strong> in the displayed page.</span></li></ol>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="mrs_01_24014.html">Using the Flink Web UI</a></div>
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