{"id":7516,"date":"2021-07-19T10:17:11","date_gmt":"2021-07-19T02:17:11","guid":{"rendered":"https:\/\/www.gbase8.cn\/?p=7516"},"modified":"2021-07-19T10:21:39","modified_gmt":"2021-07-19T02:21:39","slug":"gbase-8a%e5%92%8cogg-kafka%e5%90%8c%e6%ad%a5%e7%9b%b8%e5%85%b3%e5%8f%82%e6%95%b0%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/www.gbase8.cn\/en\/7516","title":{"rendered":"\u5357\u5927\u901a\u7528GBase 8a\u548cOGG + Kafka\u540c\u6b65\u76f8\u5173\u53c2\u6570\u4ecb\u7ecd"},"content":{"rendered":"<p>\u672c\u6587\u4ecb\u7ecdGBase 8a\u548cOGG +Kafka\u76f8\u5173\u53c2\u6570\uff0c\u4e3b\u8981\u7528\u4e8econsume\u529f\u80fd\uff0c\u4e0e\u52a0\u8f7d\u5bfc\u51fa\u7b49\u65e0\u5173\u3002<\/p>\n\n\n\n<p>gbase_8a_gcluster.cnf<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Directory Navigation<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a2d5055e2863\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a2d5055e2863\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#952%E7%89%88%E6%9C%ACkafka%E5%8F%82%E6%95%B0%E5%88%97%E8%A1%A8\" >9.5.2\u7248\u672ckafka\u53c2\u6570\u5217\u8868<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gcluster_kafka_consumer_enable\" >gcluster_kafka_consumer_enable<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gcluster_assign_kafka_topic_period\" >gcluster_assign_kafka_topic_period<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gcluster_kafka_max_message_size\" >gcluster_kafka_max_message_size<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gcluster_kafka_batch_commit_dml_count\" >gcluster_kafka_batch_commit_dml_count<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gcluster_kafka_user_allowed_max_latency\" >gcluster_kafka_user_allowed_max_latency<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gcluster_kafka_local_queue_size\" >gcluster_kafka_local_queue_size<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gcluster_kafka_consume_batch\" >gcluster_kafka_consume_batch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gcluster_kafka_ignore_pos_field\" >gcluster_kafka_ignore_pos_field<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#_t_kafka_varchar_auto_truncate\" >_t_kafka_varchar_auto_truncate<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gcluster_kafka_message_format_type\" >gcluster_kafka_message_format_type<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gcluster_kafka_ignore_pos_field-2\" >gcluster_kafka_ignore_pos_field<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gcluster_kafka_broker_version\" >gcluster_kafka_broker_version<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gbase_kafka_principal\" >gbase_kafka_principal<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gbase_kafka_keytab\" >gbase_kafka_keytab<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gcluster_kafka_ignore_if_table_not_exist\" >gcluster_kafka_ignore_if_table_not_exist<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.gbase8.cn\/en\/7516\/#gcluster_kafka_parallel_commit\" >gcluster_kafka_parallel_commit<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"952%E7%89%88%E6%9C%ACkafka%E5%8F%82%E6%95%B0%E5%88%97%E8%A1%A8\"><\/span>9.5.2\u7248\u672ckafka\u53c2\u6570\u5217\u8868<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>gbase&gt; show variables like '%kaf%';\n+----------------------------------------------------+-----------+\n| Variable_name                                      | Value     |\n+----------------------------------------------------+-----------+\n| _gbase_kafka_transaction_mode                      | OFF       |\n| _t_gcluster_kafka_allow_offset_jump                | 1         |\n| _t_gcluster_kafka_consumer_compare_field_only_once | 0         |\n| _t_gcluster_kafka_consumer_force_compare_field     | 1         |\n| _t_gcluster_kafka_ignore_when_update_not_hit       | 0         |\n| _t_gcluster_kafka_null_transform                   | 0         |\n| _t_gcluster_kafka_seek_offset                      | 0         |\n| _t_gcluster_kafka_trust_kafka_returned_offset      | 0         |\n| _t_kafka_varchar_auto_truncate                     | 0         |\n| gbase_kafka_broker_version                         |           |\n| gbase_kafka_keytab                                 |           |\n| gbase_kafka_principal                              |           |\n| gcluster_kafka_batch_commit_dml_count              | 100000    |\n| gcluster_kafka_consume_batch                       | 10        |\n| gcluster_kafka_consume_timeout                     | 2000      |\n| gcluster_kafka_consumer_escape_zero                | 0         |\n| gcluster_kafka_consumer_latency_time_statistics    | 0         |\n| gcluster_kafka_consumer_output_charset_name        |           |\n| gcluster_kafka_consumer_special_use_charset_name   |           |\n| gcluster_kafka_consumer_support_partial_update     | 0         |\n| gcluster_kafka_data_buf_size                       | 0         |\n| gcluster_kafka_dataflow                            | 0         |\n| gcluster_kafka_debug_on                            | 0         |\n| gcluster_kafka_delete_execute_directly             | 0         |\n| gcluster_kafka_ignore_if_table_not_exist           | 0         |\n| gcluster_kafka_ignore_pos_field                    | 0         |\n| gcluster_kafka_loader_max_start_count              | 20        |\n| gcluster_kafka_local_queue_size                    | 201000    |\n| gcluster_kafka_max_message_size                    | 100000000 |\n| gcluster_kafka_parallel_commit                     | 1         |\n| gcluster_kafka_primarykey_can_be_null              | 0         |\n| gcluster_kafka_result_check                        | 0         |\n| gcluster_kafka_user_allowed_max_latency            | 10000     |\n+----------------------------------------------------+-----------+\n33 rows in set (Elapsed: 00:00:00.00)\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcluster_kafka_consumer_enable\"><\/span>gcluster_kafka_consumer_enable<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u6253\u5f00 kafka consumer \u529f\u80fd\uff0c\u5982\u679c\u4e0d\u6253\u5f00\uff0c\u5219 consumer \u76f8\u5173\u547d\u4ee4\u90fd\u4e0d\u53ef\u7528\uff08\u62a5\u9519\uff09<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>1 \u6253\u5f00<\/li><li>0 \u5173\u95ed\uff0c \u9ed8\u8ba4<\/li><\/ul>\n\n\n\n<p>\u8be5\u53c2\u6570\u5728\u96c6\u7fa4show \u65f6\u770b\u4e0d\u5230\uff0c\u4f46\u5728\u9ed8\u8ba4\u7684\u914d\u7f6e\u6587\u4ef6\u91cc\u80fd\u770b\u5230\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcluster_assign_kafka_topic_period\"><\/span>gcluster_assign_kafka_topic_period<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u81ea\u52a8\u63a5\u7ba1 consumer \u7684\u65f6\u95f4\u5468\u671f\uff0c\u5355\u4f4d\u4e3a\u79d2\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982 A \u8282\u70b9\u5b95\u673a\u4e86\uff0c\u6700\u5927\u9700\u8981\u7b49\u5f85 gcluster_assign_kafka_topic_period\u79d2\u4e4b\u540e\uff0cA \u8282\u70b9\u8d1f\u8d23\u7684\u540c\u6b65\u4efb\u52a1\u4f1a\u88ab\u5176\u4ed6\u8282\u70b9\u63a5\u7ba1\u3002\u6700\u5c0f\u503c 20s\uff0c\u6700\u5927\u503c 120s\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcluster_kafka_max_message_size\"><\/span>gcluster_kafka_max_message_size<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4ece kafka topic \u83b7\u5f97\u6d88\u606f\u7684\u6700\u5927\u957f\u5ea6\uff0c<br>\u5355\u4f4d\u4e3a\u5b57\u8282\uff0c\u6700\u5927\u503c 1000000000 \u5b57\u8282\uff0c\u8fd9\u4e2a\u503c\u9700\u8981\u5927\u4e8e\u7b49\u4e8e kafka server \u7684\u914d\u7f6e\uff08message.max.bytes\uff09\uff0c\u5426\u5219\u53ef\u80fd\u9020\u6210\u6d88\u8d39\u95ee\u9898\uff0c\u5982\u679c kafka \u961f\u5217\u4e2d\u5b58\u5728\u4e00\u6761\u6d88\u606f\uff0c\u5176\u5927\u5c0f\u8d85\u8fc7 gcluster_kafka_max_message_size \u5c31\u4f1a\u9020\u6210\u6d88\u8d39\u5361\u4f4f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcluster_kafka_batch_commit_dml_count\"><\/span>gcluster_kafka_batch_commit_dml_count<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u4e00\u6b21\u63d0\u4ea4 dml \u64cd\u4f5c\u7684\u6570\u91cf\u3002<\/p>\n\n\n\n<p>\u9002\u5f53\u8c03\u5927\u80fd\u660e\u663e\u63d0\u9ad8\u6027\u80fd\uff0c\u4f46\u662f\u5982\u679c\u4e00\u4e2a topic \u6d89\u53ca\u7684\u8868\u5f88\u591a\uff08\u51e0\u767e\u4e2a\u8868\uff09\u5219\u5efa\u8bae\u8be5\u53c2\u6570\u8c03\u5c0f\uff0c\u8868\u8d8a\u591a\u8d8a\u5e94\u8be5\u8c03\u5c0f\uff0c\u8c03\u5c0f\u7684\u76ee\u7684\u662f\u4f7f\u5f97\u4e00\u6b21\u63d0\u4ea4\u547d\u4e2d\u7684\u8868\u5c11\u4e00\u4e9b\uff0c\u5177\u4f53\u9700\u8981\u7ed3\u5408\u5177\u4f53\u7528\u6237\u573a\u666f\u3001\u540c\u6b65\u901f\u5ea6\u3001\u8d44\u6e90\u5360\u7528\u60c5\u51b5\u5177\u4f53\u5bf9\u5f85\u3002\u672a\u6765\u542f\u7528\u65b0\u4e8b\u52a1\u540e\uff0c\u8868\u6570\u91cf\u591a\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u4f1a\u964d\u4f4e\uff0c\u4f1a\u518d\u6b21\u66f4\u65b0\u624b\u518c\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6b64\u53c2\u6570\u662f\u4e00\u4e2a\u610f\u5411\u503c\uff0c\u7a0b\u5e8f\u672a\u5fc5\u4f1a\u4e25\u683c\u6309\u7167\u6b64\u53c2\u6570\u6765\u63d0\u4ea4\uff0c\u6bd4\u5982\u5982\u679c\u4e00\u4e2a\u4e8b\u52a1\u5305\u542b\u5927\u91cf DML \u64cd\u4f5c\uff0c\u90a3\u4e48\u7a0b\u5e8f\u5fc5\u987b\u786e\u4fdd\u4e8b\u52a1\u5b8c\u6574\u6027\uff1b\u518d\u6bd4\u5982\u4ece kafka \u53d6\u6d88\u606f\u3001\u89e3\u6790\u6d88\u606f\u7684\u901f\u5ea6\u6162\u4e8e\u5f80\u5355\u673a\u63d0\u4ea4\u6570\u636e\u7684\u901f\u5ea6\uff0c\u90a3\u4e48\u7a0b\u5e8f\u4e5f\u4f1a\u9009\u62e9\u5148\u63d0\u4ea4\uff0c\u800c\u4e0d\u662f\u4e00\u5b9a\u8981\u7b49\u5f85\u6ee1\u8db3 gcluster_kafka_batch_commit_dml_count \u53c2\u6570\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcluster_kafka_user_allowed_max_latency\"><\/span>gcluster_kafka_user_allowed_max_latency<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5141\u8bb8\u6d88\u606f\u5728 GBase 8a MPP Cluster \u96c6\u7fa4\u5c42\u7f13\u5b58\u591a\u957f\u65f6\u95f4\uff0c\u8d85\u65f6\u4e4b\u540e\u5fc5\u987b\u9a6c\u4e0a\u63d0\u4ea4\uff0c\u5355\u4f4d\u662f\u6beb\u79d2\u3002<\/p>\n\n\n\n<p>\u6b64\u53c2\u6570\u4e0egcluster_kafka_batch_commit_dml_count \u4f5c\u7528\u7c7b\u4f3c\uff0c\u90fd\u662f\u51b3\u5b9a\u4ec0\u4e48\u65f6\u5019\u63d0\u4ea4\u7684\u3002\u591a\u6512\u4e00\u4e9b\u6570\u636e\u518d\u63d0\u4ea4\uff0c\u6709\u5229\u4e8e\u964d\u4f4e\u78c1\u76d8\u5360\u7528\uff0c\u5982\u679c\u7528\u6237\u5bf9\u6570\u636e\u5ef6\u8fdf\u4e0d\u592a\u654f\u611f\uff0c\u800c\u5bf9\u78c1\u76d8\u5360\u7528\u6bd4\u8f83\u654f\u611f\uff0c\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u53c2\u6570\u6765\u8c03\u8282\u3002\u5178\u578b\u503c\u4e00\u822c\u53ef\u4ee5\u8bbe\u7f6e\u4e3a 50000~20000\uff0c\u9700\u8981\u6ce8\u610f\u63d0\u4ea4\u52a8\u4f5c\u672c\u8eab\u4e5f\u9700\u8981\u6d88\u8017\u65f6\u95f4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcluster_kafka_local_queue_size\"><\/span>gcluster_kafka_local_queue_size<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u50a8\u5b58 dml \u64cd\u4f5c\u7684\u961f\u5217\u7684\u957f\u5ea6\uff0c\u5efa\u8bae\u81f3\u5c11\u4e3a gcluster_kafka_batch_commit_dml_count \u7684\u4e8c\u500d\u591a\u4e00\u4e9b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcluster_kafka_consume_batch\"><\/span>gcluster_kafka_consume_batch<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>consumer \u4e00\u6b21\u8bfb\u53d6 kafka \u6d88\u606f\u7684\u6761\u6570\u3002<br>\u5982\u679c kafka \u961f\u5217\u91cc\u7684\u6d88\u606f size \u8f83\u5c0f\uff0c\u53ef\u4ee5\u8bbe\u5927\uff0c\u53cd\u4e4b\u8bbe\u5c0f\uff0c\u6b64\u53c2\u6570\u5bf9\u6027\u80fd\u7684\u5f71\u54cd\u4e0d\u5927\uff0c\u6240\u4ee5\u4e00\u822c\u6ca1\u5fc5\u8981\u8bbe\u592a\u5927\uff0c\u5efa\u8bae\u8bbe\u4e3a 10~1000\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcluster_kafka_ignore_pos_field\"><\/span>gcluster_kafka_ignore_pos_field<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u63a7\u5236\u5355\u4e2a consumer \u662f\u5426\u6bd4\u5bf9 POS\uff08\u9632\u6b62<br>\u91cd\u590d\u6d88\u8d39\uff09\u3002\u5ba2\u6237\u591a\u7ebf\u7a0b\u5f80 kafka \u4e2d\u5199\u5165\u6570\u636e\uff0c\u5199\u5165 kafka \u7684\u6570\u636e\u4e0d\u80fd\u786e\u4fdd POS\u6709\u5e8f\uff0c\u539f consumer \u6d88\u8d39\u6570\u636e\u65f6\u4f1a\u505a POS \u68c0\u67e5\u5bfc\u81f4\u65e0\u5e8f\u7684\u6570\u636e\u5165\u5e93\u65f6\u4f1a\u6709\u9057\u6f0f\u3002\u73b0\u5728\u53c2\u6570 gcluster_kafka_ignore_pos_field\uff0c\u63a7\u5236 consumer \u662f\u5426\u8fdb\u884c POS \u68c0\u67e5\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>POS \u68c0\u67e5\u5f00\u542f\uff0cconsumer \u6d88\u8d39\u65f6\u4f1a\u4e22\u5f03\u5df2\u6d88\u8d39\u5e8f\u53f7\u4e4b\u524d\u7684\u6d88\u606f\uff1b<\/li><li>POS \u68c0\u67e5\u5173\u95ed\uff0cconsumer \u4f1a\u5c06 kafka \u7684\u6bcf\u6761\u6d88\u606f\u5747\u5165\u5e93\uff0c\u6240\u4ee5\u9700\u8981\u751f\u4ea7\u7aef\u786e\u4fdd\u53d1\u9001\u5230 kafka\u7684\u6d88\u606f\u65e0\u91cd\u590d\u3002<\/li><li>\u9ed8\u8ba4\u503c\u4e3a 0\uff0c\u5373\u68c0\u67e5\u91cd\u590d\u6d88\u606f\uff1b<\/li><li>\u503c\u4e3a 1 \u65f6\uff0c\u4e0d\u68c0\u67e5\u91cd\u590d\u6d88\u606f\u3002<\/li><\/ul>\n\n\n\n<p>\u7528\u4e8e Consumer \u6d88\u8d39 only insert \u6d88\u606f\uff0c\u5ba2\u6237\u80fd\u4fdd\u8bc1 kafka \u6d88\u606f\u65e0\u91cd\u590d\u7684\u7279\u6b8a\u573a\u666f\u3002\u914d\u7f6e\u65b9\u6cd5\u53ef\u4ee5\u624b\u52a8\u4fee\u6539 gclusterdb.kafka_consumers\u3002\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Update gclusterdb.kafka_consumers set common_options='gcluster_kafka_ignore_pos_field=1' where name='consumer_1';<\/code><\/pre>\n\n\n\n<p>\u6700\u540e\u91cd\u542fconsumer_1\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"_t_kafka_varchar_auto_truncate\"><\/span>_t_kafka_varchar_auto_truncate<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u5728consumer\u6d88\u8d39kafka\u4fe1\u606f\u65f6\uff0c\u9047\u5230\u957f\u5ea6\u8d85\u6570\u636e\u5e93\u5b9a\u4e49\u957f\u5ea6\u7684\u5b57\u6bb5\uff08\u4ec5\u9650 varchar \u7c7b\u578b\uff09\uff0c\u5f00\u542f\u53ef\u4ee5\u81ea\u52a8\u8fdb\u884c\u622a\u4f4d\u5e76\u6b63\u5e38\u6d88\u8d39\u5165\u5e93\u6a21\u5f0f\u3002\u7f3a\u7701\u503c\u4e3a 0\uff1b\u8bbe\u7f6e\u503c\u4e3a 1 \u65f6\uff0c\u8868\u793a\u8ba9 consumer \u5bf9 json\u6d88\u606f\u4e2d\u7684 after \u5185\u5bb9\u8fdb\u884c\u957f\u5ea6\u5224\u65ad\uff0c\u5982\u679c\u957f\u5ea6\u8d85\u8fc7\u4e86\u76ee\u6807\u8868\u7684\u5217\u5bbd\uff0c\u5219\u81ea\u52a8\u6309\u5217\u5bbd\uff08\u5b57\u7b26\u957f\u5ea6\uff09\u622a\u65ad\uff0c\u53ea\u5bf9 varchar \u5217\u505a\u5904\u7406\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcluster_kafka_message_format_type\"><\/span>gcluster_kafka_message_format_type<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u8bbe\u5b9a consumer \u5728\u89e3\u6790 kafka \u6d88\u606f\u65f6\uff0c\u4ee5\u4ec0\u4e48\u683c\u5f0f\u6765\u89e3\u6790\u3002<br>\u53d6\u503c\u8303\u56f4\uff1aJSON\u3001PUREDATA\u3001AUTO_DETECT<br>\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>puredata \u5bf9\u5e94 rtsync \u751f\u4ea7\u7684 protobuf \u6d88\u606f\uff1b<\/li><li>AUTO_DETECT(\u9ed8\u8ba4)\u662f\u8ba9 consumer \u81ea\u5df1\u4fa6\u6d4b\u6d88\u606f\u683c\u5f0f\uff0c\u8fd9\u65f6\u5019 consumer \u4f1a\u5148\u5c1d\u8bd5\u7528 puredata \u683c\u5f0f\u8fdb\u884c\u89e3\u6790\uff0c\u901a\u8fc7\u5c31\u8ba4\u4e3a\u662f puredata \u683c\u5f0f\uff0c\u5426\u5219\u5c31\u8ba4\u4e3a\u662fjson \u683c\u5f0f\u3002<\/li><\/ul>\n\n\n\n<p>\u6ce8\uff1aconsumer \u542f\u52a8\u540e\uff0c\u53ea\u5728\u89e3\u6790\u7b2c\u4e00\u6761\u6d88\u606f\u65f6\u505a\u8fd9\u4e2a\u5224\u65ad\uff0c\u540e\u9762\u76f4\u63a5\u7528\u8fd9\u4e2a\u5224\u65ad\u7ed3\u679c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcluster_kafka_ignore_pos_field-2\"><\/span>gcluster_kafka_ignore_pos_field<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u63a7\u5236\u5355\u4e2a consumer \u662f\u5426\u6bd4\u5bf9 POS\uff08\u9632\u6b62\u91cd\u590d\u6d88\u8d39\uff09\u3002<\/p>\n\n\n\n<p>\u5ba2\u6237\u591a\u7ebf\u7a0b\u5f80 kafka \u4e2d\u5199\u5165\u6570\u636e\uff0c\u5199\u5165 kafka \u7684\u6570\u636e\u4e0d\u80fd\u786e\u4fdd POS \u6709\u5e8f\uff0c\u539f consumer \u6d88\u8d39\u6570\u636e\u65f6\u4f1a\u505a POS \u68c0\u67e5\u5bfc\u81f4\u65e0\u5e8f\u7684\u6570\u636e\u5165\u5e93\u65f6\u4f1a\u6709\u9057\u6f0f\u3002\u53c2\u6570 gcluster_kafka_ignore_pos_field\uff0c\u63a7\u5236 consumer \u662f\u5426\u8fdb\u884c POS \u68c0\u67e5\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>POS\u68c0\u67e5\u5f00\u542f\uff0cconsumer \u6d88\u8d39\u65f6\u4f1a\u4e22\u5f03\u5df2\u6d88\u8d39\u5e8f\u53f7\u4e4b\u524d\u7684\u6d88\u606f\uff1b<\/li><li>POS \u68c0\u67e5\u5173\u95ed\uff0cconsumer \u4f1a\u5c06 kafka \u7684\u6bcf\u6761\u6d88\u606f\u5747\u5165\u5e93\uff0c\u6240\u4ee5\u9700\u8981\u751f\u4ea7\u7aef\u786e\u4fdd\u53d1\u9001\u5230 kafka \u7684\u6d88\u606f\u65e0\u91cd\u590d\u3002<\/li><\/ul>\n\n\n\n<p>\u914d\u7f6e\u65b9\u6cd5\uff1a\u624b\u52a8\u4fee\u6539 gclusterdb.kafka_consumers<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Update gclusterdb.kafka_consumers set common_options='gcluster_kafka_ignore_pos_field=1' where name='consumer_1';<\/code><\/pre>\n\n\n\n<p>\u91cd\u542f consumer_1\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcluster_kafka_broker_version\"><\/span>gcluster_kafka_broker_version<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u8bbe\u5b9a kafka server \u7684\u7248\u672c\uff0c\u4f8b\u5982 0.9.0,0.8.2\u2026 \u5f53 kafka server \u4f4e\u4e8e 0.10 \u7248\u672c\u7684\u65f6\u5019\u5fc5\u987b\u8bbe\u7f6e\u6b64\u53c2\u6570\uff0c\u800c\u9ad8\u4e8e 0.10\u7248\u672c\u4e0d\u8981\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gbase_kafka_principal\"><\/span>gbase_kafka_principal<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u914d\u7f6e kafka kerberos principal<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gbase_kafka_keytab\"><\/span>gbase_kafka_keytab<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>\u914d\u7f6e kafka kerberos keytab file path<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcluster_kafka_ignore_if_table_not_exist\"><\/span>gcluster_kafka_ignore_if_table_not_exist<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>consumer \u5904\u7406\u4e00\u4e2a\u6d88\u606f\u65f6\uff0c\u5982\u679c\u6d88\u606f\u6307\u5b9a\u7684\u76ee\u6807\u8868\u4e0d\u5b58\u5728\uff0c\u662f\u5426\u81ea\u52a8\u5ffd\u7565\u6b64\u6d88\u606f\u30021 \u4ee3\u8868\u5ffd\u7565\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"gcluster_kafka_parallel_commit\"><\/span>gcluster_kafka_parallel_commit<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>consumer \u5411 gnode \u53d1\u9001 sql \u662f\u5426\u91c7\u7528\u5e76\u884c\u65b9\u5f0f\u3002\u9ed8\u8ba4\u503c\u662f 1\uff0c\u4ee3\u8868\u4e0d\u5e76\u884c\u3002\u8fd9\u4e2a\u53c2\u6570\u76ee\u524d\u4e0d\u8981\u4f7f\u7528\uff0c\u4f1a\u9020\u6210\u4e3b\u5907\u4e0d\u4e00\u81f4\uff0c\u6216\u8005 delete \u4e0d\u6389\u6570\u636e\u3002<\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u4ecb\u7ecdGBase 8a\u548cOGG +Kafka\u76f8\u5173\u53c2\u6570\uff0c\u4e3b\u8981\u7528\u4e8econsume\u529f\u80fd\uff0c\u4e0e\u52a0\u8f7d\u5bfc\u51fa\u7b49\u65e0\u5173\u3002<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[106],"class_list":["post-7516","post","type-post","status-publish","format-standard","hentry","category-gbase8a","tag-kafka"],"_links":{"self":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/7516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/comments?post=7516"}],"version-history":[{"count":21,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/7516\/revisions"}],"predecessor-version":[{"id":7539,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/posts\/7516\/revisions\/7539"}],"wp:attachment":[{"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/media?parent=7516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/categories?post=7516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.gbase8.cn\/en\/wp-json\/wp\/v2\/tags?post=7516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}