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class="container padding-top--md padding-bottom--lg"><div class="row"><div class="col docItemCol_VOVn"><div class="theme-doc-version-banner alert alert--warning margin-bottom--md" role="alert"><div>This is documentation for <!-- -->Apache InLong<!-- --> <b>1.9.0</b>, which is no longer actively maintained.</div><div class="margin-top--md">For up-to-date documentation, see the <b><a href="/docs/sdk/dataproxy-sdk/cpp">latest version</a></b> (<!-- -->1.11.0<!-- -->).</div></div><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">SDK</span><meta itemprop="position" content="1"></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">DataProxy SDK</span><meta itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">C++ SDK</span><meta itemprop="position" content="3"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: 1.9.0</span><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>C++ SDK</h1></header><h2 class="anchor anchorWithStickyNavbar_LWe7" id="create-real-time-synchronization-task">Create real-time synchronization task<a href="#create-real-time-synchronization-task" class="hash-link" aria-label="Direct link to Create real-time synchronization task" title="Direct link to Create real-time synchronization task"></a></h2><p>Create a task on the Dashboard or through the command line, and use <code>Auto Push</code> (autonomous push) as the data source |
| type.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="import-c-sdk">Import C++ SDK<a href="#import-c-sdk" class="hash-link" aria-label="Direct link to Import C++ SDK" title="Direct link to Import C++ SDK"></a></h2><p>The header files and libraries of the SDK need to be introduced into the project before using the SDK. Header files and |
| libraries can be self-compiled from source, |
| see <a href="https://github.com/apache/inlong/tree/master/inlong-sdk/dataproxy-sdk-twins/dataproxy-sdk-cpp" target="_blank" rel="noopener noreferrer">SDK Compile&Use</a>。</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="data-report-process">Data report process<a href="#data-report-process" class="hash-link" aria-label="Direct link to Data report process" title="Direct link to Data report process"></a></h2><p>After import the SDK, you can report single or batch data by calling the <code>send</code> related interface of the |
| SDK <a href="https://github.com/apache/inlong/blob/master/inlong-sdk/dataproxy-sdk-twins/dataproxy-sdk-cpp/release/demo/send_demo.cc" target="_blank" rel="noopener noreferrer">send_demo.cc</a> |
| 。The overall process includes the following three steps：</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="initialize-sdk">Initialize SDK<a href="#initialize-sdk" class="hash-link" aria-label="Direct link to Initialize SDK" title="Direct link to Initialize SDK"></a></h3><p>SDK supports a process to create one SDK instance, which is multi-thread safe. It also supports a process to create |
| multiple SDK instances. Each SDK instance is independent of each other and each SDK instance is also thread-safe</p><ul><li>Create SDK instance object</li></ul><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">InLongApi inlong_api</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><ul><li>object instance initialization |
| Configuration files are in json format, see <!-- -->[Config file description]<!-- -->(#Appendix：Config File Description), initialize |
| the SDK through the configuration file:</li></ul><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">// Initialize the SDK, the parameter is the path name of the configuration file; a return value of zero indicates successful initialization</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">int32_t result = inlong_api.InitApi("/home/conf/config.json");</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="call-the-send-interface-to-report-data">Call the send interface to report data<a href="#call-the-send-interface-to-report-data" class="hash-link" aria-label="Direct link to Call the send interface to report data" title="Direct link to Call the send interface to report data"></a></h3><p>The SDK supports single (recommended) and batch sending, both of which are sent in asynchronous mode, and the data |
| reporting interface is thread-safe. Before data reporting, the callback function can be set to perform callback |
| processing when the data transmission fails. The callback function signature is as follows:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">int32_t callBackFunc(const char* inlong_group_id, const char* inlong_stream_id, const char* msg, int32_t msg_len, const int64_t report_time, const char* client_ip);</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><ul><li>Single data reporting interface</li></ul><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">// Return value: zero means sending is successful, non-zero means failure, see SDKInvalidReuslt in tc_api.h for specific exception return value</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">int32_t CallBackFunc(const char* inlong_group_id, const char* inlong_stream_id,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> const char* msg, int32_t msg_len, </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> const int64_t report_time, </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> const char* client_ip);</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="close-sdk">Close SDK<a href="#close-sdk" class="hash-link" aria-label="Direct link to Close SDK" title="Direct link to Close SDK"></a></h3><p>Call the close interface to close the SDK:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">// A return value of zero means that the shutdown is successful, and subsequent data reporting cannot be performed</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">// max_waitms：The maximum number of milliseconds to wait before closing the SDK, waiting for the completion of the SDK internal data sending</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">int32_t CloseApi(int32_t max_waitms);</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="warning">Warning<a href="#warning" class="hash-link" aria-label="Direct link to Warning" title="Direct link to Warning"></a></h2><ul><li>It is recommended to use the SDK as a resident service for data reporting to avoid frequent initialization and |
| shutdown of the same process midway, as repeated initialization and shutdown will bring more overhead;</li><li>SDK sending is asynchronous, and a return value of 0 indicates that the data has been successfully stored in the SDK's |
| internal buffer and is waiting for network sending. If <code>inlong_group_id</code> itself is misconfigured or the network is |
| abnormal, it will also cause the data to fail to send, so it is recommended that the user set a callback when calling |
| this interface, and execute the callback when the data fails to be sent after multiple retries.</li></ul><h2 class="anchor anchorWithStickyNavbar_LWe7" id="appendixconfig-file-description">Appendix：Config File Description<a href="#appendixconfig-file-description" class="hash-link" aria-label="Direct link to Appendix：Config File Description" title="Direct link to Appendix：Config File Description"></a></h2><p>The configuration file format and important parameters are as follows:</p><div class="language-json codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-json codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"init-param"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"inlong_group_ids"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">"b_inlong_group_test_01, b_inlong_group_test_02"</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"manager_url"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">"http://127.0.0.1:8099/inlong/manager/openapi/dataproxy/getIpList"</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"manager_update_interval"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">2</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"manager_url_timeout"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">5</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"msg_type"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">7</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"max_proxy_num"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">8</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"per_groupid_thread_nums"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"dispatch_interval_zip"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">8</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"dispatch_interval_send"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"recv_buf_size"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">10240000</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"send_buf_size"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">10240000</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"enable_pack"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token boolean">true</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"pack_size"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">409600</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"pack_timeout"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">3000</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"ext_pack_size"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">409600</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"enable_zip"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token boolean">true</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"min_zip_len"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">512</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"tcp_detection_interval"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">60000</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"tcp_idle_time"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">600000</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"log_num"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">10</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"log_size"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">104857600</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"log_level"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token number">3</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"log_path"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">"./"</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"need_auth"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token boolean">false</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"auth_id"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">"****"</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token property">"auth_key"</span><span class="token operator">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">"****"</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><table><thead><tr><th>parameter</th><th>meaning</th><th>Defaults</th></tr></thead><tbody><tr><td>inlong_group_ids</td><td>inlong_group_id list</td><td>b_inlong_group_test_01, b_inlong_group_test_02</td></tr><tr><td>manager_url</td><td>manager address</td><td><a href="http://127.0.0.1:8099/inlong/manager/openapi/dataproxy/getIpList" target="_blank" rel="noopener noreferrer">http://127.0.0.1:8099/inlong/manager/openapi/dataproxy/getIpList</a></td></tr><tr><td>manager_update_interval</td><td>request manager intervals</td><td>2 minute</td></tr><tr><td>manager_url_timeout</td><td>request manager timeout</td><td>Timestamp</td></tr><tr><td>msg_type</td><td>data type</td><td>7</td></tr><tr><td>max_proxy_num</td><td>maximum proxy data for a single instance</td><td>8</td></tr><tr><td>per_groupid_thread_nums</td><td>number of single inlong_group_id threads</td><td>1</td></tr><tr><td>dispatch_interval_zip</td><td>compress data intervals</td><td>8 ms</td></tr><tr><td>dispatch_interval_send</td><td>data distribution intervals</td><td>10 ms</td></tr><tr><td>recv_buf_size</td><td>receive buffer size</td><td>10240000 Byte</td></tr><tr><td>send_buf_size</td><td>send buffer size</td><td>10240000 Byte</td></tr><tr><td>enable_pack</td><td>whether to allow packaging</td><td>true</td></tr><tr><td>pack_size</td><td>pack size</td><td>409600 Byte</td></tr><tr><td>pack_timeout</td><td>pack interval</td><td>3000 ms</td></tr><tr><td>ext_pack_size</td><td>maximum size of a single message</td><td>409600 Byte</td></tr><tr><td>enable_zip</td><td>whether to allow compression</td><td>true</td></tr><tr><td>min_zip_len</td><td>minimum compression size</td><td>512 Byte</td></tr><tr><td>tcp_detection_interval</td><td>tcp detection intervals</td><td>60000 ms</td></tr><tr><td>tcp_idle_time</td><td>tcp idle time</td><td>600000 ms</td></tr><tr><td>log_num</td><td>Number of log files</td><td>10</td></tr><tr><td>log_size</td><td>single log file size</td><td>104857600 Byte</td></tr><tr><td>log_level</td><td>log level</td><td>3 .trace(4)>debug(3)>info(2)>warn(1)>error(0)</td></tr><tr><td>log_path</td><td>log directory</td><td>./</td></tr><tr><td>need_auth</td><td>whether to enable authentication</td><td>false</td></tr><tr><td>auth_id</td><td>account</td><td></td></tr><tr><td>auth_key</td><td>password</td><td></td></tr></tbody></table></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/apache/inlong-website/edit/master/versioned_docs/version-1.9.0/sdk/dataproxy-sdk/cpp.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_vwxv"></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages navigation"><a 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