{"id":936,"date":"2018-01-23T20:22:50","date_gmt":"2018-01-23T12:22:50","guid":{"rendered":"https:\/\/www.ipcpu.com\/?p=936"},"modified":"2018-01-23T20:22:50","modified_gmt":"2018-01-23T12:22:50","slug":"apache-kafka","status":"publish","type":"post","link":"https:\/\/c.ipcpu.com\/2018\/01\/apache-kafka\/","title":{"rendered":"Apache Kafka\u4e13\u9898\u4e00\u3001Kafka\u6982\u5ff5\u548c\u539f\u7406"},"content":{"rendered":"

Apache Kafka\u4e13\u9898\u4e00.md<\/p>\n

\u4e00\u3001Apache Kafka\u662f\u4ec0\u4e48\uff1f<\/h2>\n

Kafka\u7684\u57fa\u672c\u4ecb\u7ecd<\/p>\n

Kafka\u662f\u6700\u521d\u7531Linkedin\u516c\u53f8\u5f00\u53d1\uff0c\u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u3001\u5206\u533a\u7684\u3001\u591a\u526f\u672c\u7684\u3001\u591a\u8ba2\u9605\u8005\uff0c\u57fa\u4e8ezookeeper\u534f\u8c03\u7684\u5206\u5e03\u5f0f\u65e5\u5fd7\u7cfb\u7edf\uff08\u4e5f\u53ef\u4ee5\u5f53\u505aMQ\u7cfb\u7edf\uff09\uff0c\u5e38\u89c1\u53ef\u4ee5\u7528\u4e8eweb\/nginx\u65e5\u5fd7\u3001\u8bbf\u95ee\u65e5\u5fd7\uff0c\u6d88\u606f\u670d\u52a1\u7b49\u7b49\uff0cLinkedin\u4e8e2010\u5e74\u8d21\u732e\u7ed9\u4e86Apache\u57fa\u91d1\u4f1a\u5e76\u6210\u4e3a\u9876\u7ea7\u5f00\u6e90\u9879\u76ee\u3002<\/p>\n

\u4e3b\u8981\u5e94\u7528\u573a\u666f\u662f\uff1a\u65e5\u5fd7\u6536\u96c6\u7cfb\u7edf\u548c\u6d88\u606f\u7cfb\u7edf\u3002<\/p>\n

\u4e8c\u3001Kafka\u540c\u5176\u4ed6\u7684MQ\u6709\u4f55\u4e0d\u540c\uff1f<\/h2>\n

\u6d88\u606f\u961f\u5217\uff08MQ\uff09\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u4e2a\u573a\u666f\uff1a\u5f02\u6b65\u5904\u7406\u3001\u5e94\u7528\u89e3\u8026\u3001\u7cfb\u7edf\u95f4\u901a\u8baf\u3001\u6d88\u606f\u961f\u5217\u9a71\u52a8\u578b\u67b6\u6784\u3001\u9519\u5cf0\u4e0e\u6d41\u63a7\u3001\u65e5\u5fd7\u6536\u96c6\u3001\u5e7f\u64ad\u7b49\u5f85\u3002<\/p>\n

\u5f00\u6e90\u7684\u6d88\u606f\u961f\u5217\u6709\u5f88\u591a\u5982rabbitmq\uff0ckafka\uff0crocketmq\uff0cactivemq\uff0cZeroMQ \u2026\uff0c\u9488\u5bf9\u4e0d\u540c\u7684\u4e1a\u52a1\u573a\u666f\u3001\u4f7f\u7528\u4e0d\u540c\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u53ef\u80fd\u6709\u4e0d\u540c\u7684\u9009\u62e9\u3002<\/p>\n

\u503c\u5f97\u6ce8\u610f\u7684\u662f\u4e0d\u540c\u7684MQ\u8f6f\u4ef6\u5bf9\u5e94\u7528\u5c42\u534f\u8bae\u7684\u652f\u6301\u90fd\u4e0d\u4e00\u6837\uff0c\u4f8b\u5982RabbitMQ\u6700\u65e9\u5f00\u53d1\u5c31\u662f\u4e3a\u4e86\u652f\u6301AMQP\u534f\u8bae\uff0cActiveMQ\u5bf9Java\u7684JMS\u89c4\u8303\u652f\u6301\u8f83\u597d\u3002<\/p>\n

Kafka\u4f7f\u7528\u7684\u81ea\u5df1\u7684\u79c1\u6709\u534f\u8bae\uff0c\u56e0\u6b64\u4f7f\u7528\u8d77\u6765\u8981\u683c\u5916\u6ce8\u610f\u3002<\/p>\n

\u4e09\u3001Kafka\u67b6\u6784\u7ec4\u4ef6<\/h2>\n

Kafka\u4e2d\u53d1\u5e03\u8ba2\u9605\u7684\u5bf9\u8c61\u662ftopic\u3002\u6211\u4eec\u53ef\u4ee5\u4e3a\u6bcf\u7c7b\u6570\u636e\u521b\u5efa\u4e00\u4e2atopic\uff0c\u628a\u5411topic\u53d1\u5e03\u6d88\u606f\u7684\u5ba2\u6237\u7aef\u79f0\u4f5cproducer\uff0c\u4ecetopic\u8ba2\u9605\u6d88\u606f\u7684\u5ba2\u6237\u7aef\u79f0\u4f5cconsumer\u3002Producers\u548cconsumers\u53ef\u4ee5\u540c\u65f6\u4ece\u591a\u4e2atopic\u8bfb\u5199\u6570\u636e\u3002\u4e00\u4e2akafka\u96c6\u7fa4\u7531\u4e00\u4e2a\u6216\u591a\u4e2abroker\u670d\u52a1\u5668\u7ec4\u6210\uff0c\u5b83\u8d1f\u8d23\u6301\u4e45\u5316\u548c\u5907\u4efd\u5177\u4f53\u7684kafka\u6d88\u606f\u3002<\/p>\n

\n

topic\uff1a\u6d88\u606f\u5b58\u653e\u7684\u76ee\u5f55\u5373\u4e3b\u9898
\n Producer\uff1a\u751f\u4ea7\u6d88\u606f\u5230topic\u7684\u4e00\u65b9
\n Consumer\uff1a\u8ba2\u9605topic\u6d88\u8d39\u6d88\u606f\u7684\u4e00\u65b9
\n Broker\uff1aKafka\u7684\u670d\u52a1\u5b9e\u4f8b\u5c31\u662f\u4e00\u4e2abroker<\/p>\n<\/blockquote>\n

<\/p>\n

\u56db\u3001Kafka\u7684\u5b58\u50a8\u673a\u5236<\/h2>\n

Kafka\u5bf9\u4e8e\u63a5\u6536\u7684\u6d88\u606f\u662f\u5b58\u50a8\u5230\u786c\u76d8\u4e0a\u7684\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u6d88\u606f\u5b58\u50a8\u7684\u65f6\u95f4\u548c\u5927\u5c0f\uff0c\u8d85\u51fa\u9650\u5236\u540e\u4f1a\u81ea\u52a8\u5220\u9664\u3002<\/p>\n

\u5373\u4f7f\u6d88\u8d39\u8005\u5df2\u7ecf\u6d88\u8d39\u4e86\u6d88\u606f\uff0c\u4e5f\u4e0d\u4f1a\u5220\u9664\uff0c\u56e0\u6b64\u6d88\u8d39\u8005\u4f1a\u4f7f\u7528offset\u6765\u8bb0\u5f55\u4e0a\u6b21\u8bfb\u53d6\u7684\u4f4d\u7f6e\u3002<\/p>\n

Kafka\u53ef\u4ee5\u5c06\u4e3b\u9898\uff08topic\uff09\u5212\u5206\u4e3a\u591a\u4e2a\u5206\u533a\uff08Partition\uff09\uff0c\u4f1a\u6839\u636e\u5206\u533a\u89c4\u5219\u9009\u62e9\u628a\u6d88\u606f\u5b58\u50a8\u5230\u54ea\u4e2a\u5206\u533a\u4e2d\uff0c\u53ea\u8981\u5982\u679c\u5206\u533a\u89c4\u5219\u8bbe\u7f6e\u7684\u5408\u7406\uff0c\u90a3\u4e48\u6240\u6709\u7684\u6d88\u606f\u5c06\u4f1a\u88ab\u5747\u5300\u7684\u5206\u5e03\u5230\u4e0d\u540c\u7684\u5206\u533a\u4e2d\uff0c\u8fd9\u6837\u5c31\u5b9e\u73b0\u4e86\u8d1f\u8f7d\u5747\u8861\u548c\u6c34\u5e73\u6269\u5c55\u3002<\/p>\n

<\/p>\n

partition<\/h4>\n

\u540c\u4e00\u4e2atopic\u4e0b\u6709\u591a\u4e2a\u4e0d\u540c\u7684partition\uff0c\u6bcf\u4e2apartition\u4e3a\u4e00\u4e2a\u76ee\u5f55\uff0cpartition\u547d\u540d\u7684\u89c4\u5219\u662ftopic\u7684\u540d\u79f0\u52a0\u4e0a\u4e00\u4e2a\u5e8f\u53f7\uff0c\u5e8f\u53f7\u4ece0\u5f00\u59cb\u3002
\n<\/p>\n

segment<\/h4>\n

\u6bcf\u4e00\u4e2apartition\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u88ab\u5e73\u5747\u5207\u5272\u6210\u5927\u5c0f\u76f8\u7b49\uff08\u9ed8\u8ba4\u4e00\u4e2a\u6587\u4ef6\u662f1024\u5146\uff0c\u53ef\u4ee5\u624b\u52a8\u53bb\u8bbe\u7f6e\uff09\u7684\u6570\u636e\u6587\u4ef6\uff0c\u6bcf\u4e00\u4e2a\u6570\u636e\u6587\u4ef6\u90fd\u88ab\u79f0\u4e3a\u4e00\u4e2a\u6bb5\uff08segment file\uff09\uff0c\u4f46\u6bcf\u4e2a\u6bb5\u6d88\u606f\u6570\u91cf\u4e0d\u4e00\u5b9a\u76f8\u7b49\u3002\u9ed8\u8ba4\u4fdd\u75597\u5929\u7684\u6570\u636e\u3002
\n<\/p>\n

segment\u7684\u8fd9\u79cd\u7279\u6027\u80fd\u591f\u4f7f\u5f97\u8001\u7684segment\u53ef\u4ee5\u88ab\u5feb\u901f\u6e05\u9664\u3002\uff08\u7c7b\u4f3c\u4e8elogrotate\uff09<\/p>\n

\u4e94\u3001Kafka HA\u9ad8\u53ef\u7528<\/h2>\n

Kafka\u57280.8\u4ee5\u524d\u7684\u7248\u672c\u4e2d\uff0c\u5e76\u4e0d\u63d0\u4f9bHigh Availablity\u673a\u5236\uff0c\u4e00\u65e6\u4e00\u4e2a\u6216\u591a\u4e2aBroker\u5b95\u673a\uff0c\u5219\u5b95\u673a\u671f\u95f4\u5176\u4e0a\u6240\u6709Partition\u90fd\u65e0\u6cd5\u7ee7\u7eed\u63d0\u4f9b\u670d\u52a1\u3002\u82e5\u8be5Broker\u6c38\u8fdc\u4e0d\u80fd\u518d\u6062\u590d\uff0c\u4ea6\u6216\u78c1\u76d8\u6545\u969c\uff0c\u5219\u5176\u4e0a\u6570\u636e\u5c06\u4e22\u5931\u3002\u8fd9\u4e0eKafka\u6570\u636e\u6301\u4e45\u6027\u53caDelivery Guarantee\u7684\u8bbe\u8ba1\u76ee\u6807\u76f8\u6096\u3002<\/p>\n

\u81ea0.8\u7248\u672c\u5f00\u59cb\u63d0\u4f9b\u4e86Data Replication\u548cLeader Election\u673a\u5236\u3002<\/p>\n

Kafka\u4e2d\u7684Replication\u529f\u80fd\u662f\u4e3a\u4e86\u7ed9\u6bcf\u4e2apartition\u63d0\u4f9b\u5907\u4efd\uff0c\u5f53\u67d0\u4e2aBroker\u6302\u6389\u65f6\u53ef\u4ee5\u8fc5\u901f\u5b9e\u73b0\u6545\u969c\u5207\u6362\uff08failover)\u3002\u6211\u4eec\u53ef\u4ee5\u5728\u521b\u5efa\u6216\u4fee\u6539topic\u65f6\u6307\u5b9areplica factor\uff0c\u6765\u8bbe\u5b9a\u5907\u4efd\u6570\u76ee\u3002\uff08\u9ed8\u8ba4\u662f1\uff0c\u5373\u6ca1\u6709Replication\u529f\u80fd\uff09<\/p>\n

Leader Election\u662f\u4e3a\u4e86\u5728Replication\u4e2d\u9009\u51faLeader\u6765\u8bfb\u5199\u6570\u636e\uff0c\u5176\u4ed6\u7684\u88ab\u79f0\u4f5cFollower\u526f\u672c\u53ea\u8d1f\u8d23\u4eceLeader\u62c9\u53d6\u6570\u636e\u3002
\n<\/p>\n

\u516d\u3001\u5982\u4f55\u5b9e\u73b0\u9ad8\u6027\u80fd\u5b58\u50a8\u6570\u636e<\/h2>\n

Kafka\u6ca1\u6709\u50cfredis\u7b49\u7a0b\u5e8f\u5c06\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u4f46\u5374\u4e5f\u5b9e\u73b0\u4e86\u8f83\u9ad8\u7684\u541e\u5410\uff0c\u4e3b\u8981\u5f97\u76ca\u4e8e\u91c7\u7528\u4e86\u4ee5\u4e0b\u6280\u672f\uff1a<\/p>\n

\u6279\u91cf\u5904\u7406\uff0c\u987a\u5e8f\u5199\u78c1\u76d8
\n\u5145\u5206\u5229\u7528\u5185\u5b58\u7684PageCache
\n\u4f7f\u7528zero-copy(sendfile)<\/p>\n

\u4e03\u3001\u53c2\u8003\u8d44\u6599<\/h2>\n

http:\/\/blog.csdn.net\/yinwenjie\/article\/details\/50698695<\/a>
\nhttp:\/\/zqhxuyuan.github.io\/2016\/01\/14\/2016-01-14-Kafka-ISR\/<\/a>
\nhttps:\/\/www.cnblogs.com\/jun1019\/p\/6256514.html<\/a>
\nhttps:\/\/www.quora.com\/Kafka-writes-every-message-to-broker-disk-Still-performance-wise-it-is-better-than-some-of-the-in-memory-message-storing-message-queues-Why-is-that<\/a><\/p>\n

<\/p>\n

<\/div>\n
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<\/div>\n<\/div>\n

<\/wiz_tmp_tag><\/p>\n

\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1aIPCPU-\u7f51\u7edc\u4e4b\u8def<\/a> » Apache Kafka\u4e13\u9898\u4e00\u3001Kafka\u6982\u5ff5\u548c\u539f\u7406<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Apache Kafka\u4e13\u9898\u4e00.md \u4e00\u3001Apache Kafka\u662f\u4ec0\u4e48\uff1f Kafka\u7684\u57fa\u672c\u4ecb\u7ecd Kafka\u662f\u6700\u521d\u7531Linkedin\u516c\u53f8\u5f00\u53d1\uff0c\u662f\u4e00\u4e2a\u5206\u5e03\u5f0f\u3001\u5206\u533a\u7684\u3001\u591a\u526f\u672c\u7684\u3001\u591a\u8ba2\u9605\u8005\uff0c\u57fa\u4e8ezookeeper\u534f\u8c03\u7684\u5206\u5e03\u5f0f\u65e5\u5fd7\u7cfb\u7edf\uff08\u4e5f\u53ef\u4ee5\u5f53\u505aMQ\u7cfb\u7edf\uff09\uff0c\u5e38\u89c1\u53ef\u4ee5\u7528\u4e8eweb\/nginx\u65e5\u5fd7\u3001\u8bbf\u95ee\u65e5\u5fd7\uff0c\u6d88\u606f\u670d\u52a1\u7b49\u7b49\uff0cLinkedin\u4e8e2010\u5e74\u8d21\u732e\u7ed9\u4e86Apache\u57fa\u91d1\u4f1a\u5e76\u6210\u4e3a\u9876\u7ea7\u5f00\u6e90\u9879\u76ee\u3002 \u4e3b\u8981\u5e94\u7528\u573a\u666f\u662f\uff1a\u65e5\u5fd7\u6536\u96c6\u7cfb\u7edf\u548c\u6d88\u606f\u7cfb\u7edf\u3002 \u4e8c\u3001Kafka\u540c\u5176\u4ed6\u7684MQ\u6709\u4f55\u4e0d\u540c\uff1f \u6d88\u606f\u961f\u5217\uff08MQ\uff09\u4e3b\u8981\u6709\u4ee5\u4e0b\u51e0\u4e2a\u573a\u666f\uff1a\u5f02\u6b65\u5904\u7406\u3001\u5e94\u7528\u89e3\u8026\u3001\u7cfb\u7edf\u95f4\u901a\u8baf\u3001\u6d88\u606f\u961f\u5217\u9a71\u52a8\u578b\u67b6\u6784\u3001\u9519\u5cf0\u4e0e\u6d41\u63a7\u3001\u65e5\u5fd7\u6536\u96c6\u3001\u5e7f\u64ad\u7b49\u5f85\u3002 \u5f00\u6e90\u7684\u6d88\u606f\u961f\u5217\u6709\u5f88\u591a\u5982rabbitmq\uff0ckafka\uff0crocketmq\uff0cactivemq\uff0cZeroMQ \u2026\uff0c\u9488\u5bf9\u4e0d\u540c\u7684\u4e1a\u52a1\u573a\u666f\u3001\u4f7f\u7528\u4e0d\u540c\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u53ef\u80fd\u6709\u4e0d\u540c\u7684\u9009\u62e9\u3002 \u503c\u5f97\u6ce8\u610f\u7684\u662f\u4e0d\u540c\u7684MQ\u8f6f\u4ef6\u5bf9\u5e94\u7528\u5c42\u534f\u8bae\u7684\u652f\u6301\u90fd\u4e0d\u4e00\u6837\uff0c\u4f8b\u5982RabbitMQ\u6700\u65e9\u5f00\u53d1\u5c31\u662f\u4e3a\u4e86\u652f\u6301AMQP\u534f\u8bae\uff0cActiveMQ\u5bf9Java\u7684JMS\u89c4\u8303\u652f\u6301\u8f83\u597d\u3002 Kafka\u4f7f\u7528\u7684\u81ea\u5df1\u7684\u79c1\u6709\u534f\u8bae\uff0c\u56e0\u6b64\u4f7f\u7528\u8d77\u6765\u8981\u683c\u5916\u6ce8\u610f\u3002 \u4e09\u3001Kafka\u67b6\u6784\u7ec4\u4ef6 Kafka\u4e2d\u53d1\u5e03\u8ba2\u9605\u7684\u5bf9\u8c61\u662ftopic\u3002\u6211\u4eec\u53ef\u4ee5\u4e3a\u6bcf\u7c7b\u6570\u636e\u521b\u5efa\u4e00\u4e2atopic\uff0c\u628a\u5411topic\u53d1\u5e03\u6d88\u606f\u7684\u5ba2\u6237\u7aef\u79f0\u4f5cproducer\uff0c\u4ecetopic\u8ba2\u9605\u6d88\u606f\u7684\u5ba2\u6237\u7aef\u79f0\u4f5cconsumer\u3002Producers\u548cconsumers\u53ef\u4ee5\u540c\u65f6\u4ece\u591a\u4e2atopic\u8bfb\u5199\u6570\u636e\u3002\u4e00\u4e2akafka\u96c6\u7fa4\u7531\u4e00\u4e2a\u6216\u591a\u4e2abroker\u670d\u52a1\u5668\u7ec4\u6210\uff0c\u5b83\u8d1f\u8d23\u6301\u4e45\u5316\u548c\u5907\u4efd\u5177\u4f53\u7684kafka\u6d88\u606f\u3002 topic\uff1a\u6d88\u606f\u5b58\u653e\u7684\u76ee\u5f55\u5373\u4e3b\u9898 Producer\uff1a\u751f\u4ea7\u6d88\u606f\u5230topic\u7684\u4e00\u65b9 Consumer\uff1a\u8ba2\u9605topic\u6d88\u8d39\u6d88\u606f\u7684\u4e00\u65b9 Broker\uff1aKafka\u7684\u670d\u52a1\u5b9e\u4f8b\u5c31\u662f\u4e00\u4e2abroker \u56db\u3001Kafka\u7684\u5b58\u50a8\u673a\u5236 Kafka\u5bf9\u4e8e\u63a5\u6536\u7684\u6d88\u606f\u662f\u5b58\u50a8\u5230\u786c\u76d8\u4e0a\u7684\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u6d88\u606f\u5b58\u50a8\u7684\u65f6\u95f4\u548c\u5927\u5c0f\uff0c\u8d85\u51fa\u9650\u5236\u540e\u4f1a\u81ea\u52a8\u5220\u9664\u3002 \u5373\u4f7f\u6d88\u8d39\u8005\u5df2\u7ecf\u6d88\u8d39\u4e86\u6d88\u606f\uff0c\u4e5f\u4e0d\u4f1a\u5220\u9664\uff0c\u56e0\u6b64\u6d88\u8d39\u8005\u4f1a\u4f7f\u7528offset\u6765\u8bb0\u5f55\u4e0a\u6b21\u8bfb\u53d6\u7684\u4f4d\u7f6e\u3002 Kafka\u53ef\u4ee5\u5c06\u4e3b\u9898\uff08topic\uff09\u5212\u5206\u4e3a\u591a\u4e2a\u5206\u533a\uff08Partition\uff09\uff0c\u4f1a\u6839\u636e\u5206\u533a\u89c4\u5219\u9009\u62e9\u628a\u6d88\u606f\u5b58\u50a8\u5230\u54ea\u4e2a\u5206\u533a\u4e2d\uff0c\u53ea\u8981\u5982\u679c\u5206\u533a\u89c4\u5219\u8bbe\u7f6e\u7684\u5408\u7406\uff0c\u90a3\u4e48\u6240\u6709\u7684\u6d88\u606f\u5c06\u4f1a\u88ab\u5747\u5300\u7684\u5206\u5e03\u5230\u4e0d\u540c\u7684\u5206\u533a\u4e2d\uff0c\u8fd9\u6837\u5c31\u5b9e\u73b0\u4e86\u8d1f\u8f7d\u5747\u8861\u548c\u6c34\u5e73\u6269\u5c55\u3002 partition \u540c\u4e00\u4e2atopic\u4e0b\u6709\u591a\u4e2a\u4e0d\u540c\u7684partition\uff0c\u6bcf\u4e2apartition\u4e3a\u4e00\u4e2a\u76ee\u5f55\uff0cpartition\u547d\u540d\u7684\u89c4\u5219\u662ftopic\u7684\u540d\u79f0\u52a0\u4e0a\u4e00\u4e2a\u5e8f\u53f7\uff0c\u5e8f\u53f7\u4ece0\u5f00\u59cb\u3002 segment \u6bcf\u4e00\u4e2apartition\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u88ab\u5e73\u5747\u5207\u5272\u6210\u5927\u5c0f\u76f8\u7b49\uff08\u9ed8\u8ba4\u4e00\u4e2a\u6587\u4ef6\u662f1024\u5146\uff0c\u53ef\u4ee5\u624b\u52a8\u53bb\u8bbe\u7f6e\uff09\u7684\u6570\u636e\u6587\u4ef6\uff0c\u6bcf\u4e00\u4e2a\u6570\u636e\u6587\u4ef6\u90fd\u88ab\u79f0\u4e3a\u4e00\u4e2a\u6bb5\uff08segment file\uff09\uff0c\u4f46\u6bcf\u4e2a\u6bb5\u6d88\u606f\u6570\u91cf\u4e0d\u4e00\u5b9a\u76f8\u7b49\u3002\u9ed8\u8ba4\u4fdd\u75597\u5929\u7684\u6570\u636e\u3002 segment\u7684\u8fd9\u79cd\u7279\u6027\u80fd\u591f\u4f7f\u5f97\u8001\u7684segment\u53ef\u4ee5\u88ab\u5feb\u901f\u6e05\u9664\u3002\uff08\u7c7b\u4f3c\u4e8elogrotate\uff09 \u4e94\u3001Kafka HA\u9ad8\u53ef\u7528 Kafka\u57280.8\u4ee5\u524d\u7684\u7248\u672c\u4e2d\uff0c\u5e76\u4e0d\u63d0\u4f9bHigh Availablity\u673a\u5236\uff0c\u4e00\u65e6\u4e00\u4e2a\u6216\u591a\u4e2aBroker\u5b95\u673a\uff0c\u5219\u5b95\u673a\u671f\u95f4\u5176\u4e0a\u6240\u6709Partition\u90fd\u65e0\u6cd5\u7ee7\u7eed\u63d0\u4f9b\u670d\u52a1\u3002\u82e5\u8be5Broker\u6c38\u8fdc\u4e0d\u80fd\u518d\u6062\u590d\uff0c\u4ea6\u6216\u78c1\u76d8\u6545\u969c\uff0c\u5219\u5176\u4e0a\u6570\u636e\u5c06\u4e22\u5931\u3002\u8fd9\u4e0eKafka\u6570\u636e\u6301\u4e45\u6027\u53caDelivery Guarantee\u7684\u8bbe\u8ba1\u76ee\u6807\u76f8\u6096\u3002 \u81ea0.8\u7248\u672c\u5f00\u59cb\u63d0\u4f9b\u4e86Data Replication\u548cLeader Election\u673a\u5236\u3002 Kafka\u4e2d\u7684Replication\u529f\u80fd\u662f\u4e3a\u4e86\u7ed9\u6bcf\u4e2apartition\u63d0\u4f9b\u5907\u4efd\uff0c\u5f53\u67d0\u4e2aBroker\u6302\u6389\u65f6\u53ef\u4ee5\u8fc5\u901f\u5b9e\u73b0\u6545\u969c\u5207\u6362\uff08failover)\u3002\u6211\u4eec\u53ef\u4ee5\u5728\u521b\u5efa\u6216\u4fee\u6539topic\u65f6\u6307\u5b9areplica factor\uff0c\u6765\u8bbe\u5b9a\u5907\u4efd\u6570\u76ee\u3002\uff08\u9ed8\u8ba4\u662f1\uff0c\u5373\u6ca1\u6709Replication\u529f\u80fd\uff09 Leader Election\u662f\u4e3a\u4e86\u5728Replication\u4e2d\u9009\u51faLeader\u6765\u8bfb\u5199\u6570\u636e\uff0c\u5176\u4ed6\u7684\u88ab\u79f0\u4f5cFollower\u526f\u672c\u53ea\u8d1f\u8d23\u4eceLeader\u62c9\u53d6\u6570\u636e\u3002 \u516d\u3001\u5982\u4f55\u5b9e\u73b0\u9ad8\u6027\u80fd\u5b58\u50a8\u6570\u636e Kafka\u6ca1\u6709\u50cfredis\u7b49\u7a0b\u5e8f\u5c06\u6570\u636e\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u4f46\u5374\u4e5f\u5b9e\u73b0\u4e86\u8f83\u9ad8\u7684\u541e\u5410\uff0c\u4e3b\u8981\u5f97\u76ca\u4e8e\u91c7\u7528\u4e86\u4ee5\u4e0b\u6280\u672f\uff1a \u6279\u91cf\u5904\u7406\uff0c\u987a\u5e8f\u5199\u78c1\u76d8 \u5145\u5206\u5229\u7528\u5185\u5b58\u7684PageCache \u4f7f\u7528zero-copy(sendfile) \u4e03\u3001\u53c2\u8003\u8d44\u6599 http:\/\/blog.csdn.net\/yinwenjie\/article\/details\/50698695 http:\/\/zqhxuyuan.github.io\/2016\/01\/14\/2016-01-14-Kafka-ISR\/ https:\/\/www.cnblogs.com\/jun1019\/p\/6256514.html https:\/\/www.quora.com\/Kafka-writes-every-message-to-broker-disk-Still-performance-wise-it-is-better-than-some-of-the-in-memory-message-storing-message-queues-Why-is-that \u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1aIPCPU-\u7f51\u7edc\u4e4b\u8def » Apache Kafka\u4e13\u9898\u4e00\u3001Kafka\u6982\u5ff5\u548c\u539f\u7406<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3,13],"tags":[140],"_links":{"self":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/936"}],"collection":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/comments?post=936"}],"version-history":[{"count":0,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/posts\/936\/revisions"}],"wp:attachment":[{"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/media?parent=936"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/categories?post=936"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/c.ipcpu.com\/wp-json\/wp\/v2\/tags?post=936"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}