{"id":209384,"date":"2025-09-30T09:00:39","date_gmt":"2025-09-30T01:00:39","guid":{"rendered":"https:\/\/www.server.hk\/blog\/209384\/"},"modified":"2025-09-30T09:00:40","modified_gmt":"2025-09-30T01:00:40","slug":"vps-kafka","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/209384\/","title":{"rendered":"\u9999\u6e2fVPS\u4e0a\u96f6\u5230\u4e00\u90e8\u7f72Kafka\uff1a\u5b9e\u6218\u6253\u9020\u9ad8\u53ef\u7528\u4e8b\u4ef6\u9a71\u52a8\u67b6\u6784"},"content":{"rendered":"<p>\u5728\u5fae\u670d\u52a1\u4e0e\u5b9e\u65f6\u6570\u636e\u5904\u7406\u65e5\u76ca\u666e\u53ca\u7684\u4eca\u5929\uff0cKafka \u5df2\u6210\u4e3a\u6784\u5efa\u4e8b\u4ef6\u9a71\u52a8\u67b6\u6784\uff08EDA\uff09\u7684\u6838\u5fc3\u7ec4\u4ef6\u3002\u5bf9\u4e8e\u5e0c\u671b\u5728\u4e9a\u592a\u533a\u57df\u4f4e\u5ef6\u8fdf\u90e8\u7f72\u7684\u56e2\u961f\u6765\u8bf4\uff0c\u9009\u62e9\u5728\u9999\u6e2fVPS \u4e0a\u4ece\u96f6\u5230\u4e00\u642d\u5efa Kafka \u96c6\u7fa4\uff0c\u65e2\u80fd\u517c\u987e\u6210\u672c\u4e0e\u53ef\u7528\u6027\uff0c\u53c8\u80fd\u6ee1\u8db3\u5bf9\u5ef6\u8fdf\u654f\u611f\u7684\u4e1a\u52a1\u9700\u6c42\u3002\u672c\u6587\u9762\u5411\u7ad9\u957f\u3001\u4f01\u4e1a\u7528\u6237\u4e0e\u5f00\u53d1\u8005\uff0c\u8be6\u7ec6\u8bb2\u89e3\u5728\u9999\u6e2fVPS \u73af\u5883\u4e0b\u90e8\u7f72\u9ad8\u53ef\u7528 Kafka \u7684\u539f\u7406\u3001\u5b9e\u6218\u6b65\u9aa4\u3001\u8c03\u4f18\u8981\u70b9\u4e0e\u9009\u8d2d\u5efa\u8bae\uff0c\u5e76\u5bf9\u8de8\u533a\u57df\uff08\u5982\u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668\uff09\u6269\u5c55\u505a\u51fa\u8bf4\u660e\u3002<\/p>\n<h2>\u5f15\u8a00\uff1a\u4e3a\u4ec0\u4e48\u5728\u9999\u6e2f\u90e8\u7f72 Kafka<\/h2>\n<p>\u9999\u6e2f\u5730\u7406\u4f4d\u7f6e\u4f18\u8d8a\uff0c\u8fde\u63a5\u4e9a\u6d32\u4e3b\u8981\u8282\u70b9\u5ef6\u8fdf\u4f4e\uff0c\u9002\u5408\u9762\u5411\u4e2d\u56fd\u5185\u5730\u3001\u4e1c\u5357\u4e9a\u4e0e\u56fd\u9645\u5ba2\u6237\u7684\u5b9e\u65f6\u6d88\u606f\u7cfb\u7edf\u3002\u4f7f\u7528\u9999\u6e2f\u670d\u52a1\u5668\uff08\u6216\u9999\u6e2fVPS\uff09\u53ef\u4ee5\u5728\u6210\u672c\u4e0e\u7f51\u7edc\u8d28\u91cf\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002\u5bf9\u4e8e\u9700\u8981\u5bb9\u707e\u6216\u8de8\u533a\u57df\u540c\u6b65\u7684\u573a\u666f\uff0c\u53ef\u7ed3\u5408\u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668 \u505a\u5f02\u5730\u590d\u5236\u3002<\/p>\n<h2>Kafka \u67b6\u6784\u4e0e\u5173\u952e\u539f\u7406<\/h2>\n<p>\u7406\u89e3 Kafka \u7684\u57fa\u672c\u7ec4\u4ef6\u4e0e\u539f\u7406\u662f\u6b63\u786e\u90e8\u7f72\u7684\u524d\u63d0\uff1a<\/p>\n<ul>\n<li><strong>Broker\uff1a<\/strong>Kafka \u670d\u52a1\u8fdb\u7a0b\uff0c\u8d1f\u8d23\u5b58\u50a8\u6d88\u606f\u3001\u5904\u7406\u8bfb\u5199\u8bf7\u6c42\u3002<\/li>\n<li><strong>Topic\/Partition\uff1a<\/strong>\u6d88\u606f\u6309 Topic \u5b58\u50a8\uff0c\u5206\u533a\u5b9e\u73b0\u5e76\u884c\u4e0e\u53ef\u6269\u5c55\u6027\u3002<\/li>\n<li><strong>Replica\uff1a<\/strong>\u5206\u533a\u53ef\u4ee5\u6709\u591a\u4e2a\u526f\u672c\uff0c\u5b9e\u73b0\u6570\u636e\u5197\u4f59\u4e0e\u9ad8\u53ef\u7528\u3002<\/li>\n<li><strong>Controller\uff1a<\/strong>\u7ba1\u7406\u5206\u533a\u5206\u914d\u4e0e\u6545\u969c\u8f6c\u79fb\u3002<\/li>\n<li><strong>Producer\/Consumer\uff1a<\/strong>\u6d88\u606f\u751f\u4ea7\u8005\u4e0e\u6d88\u8d39\u8005\uff0c\u6d88\u8d39\u53ef\u9009\u7ec4\u7ba1\u7406\u4f4d\u79fb\uff08offset\uff09\u3002<\/li>\n<li><strong>Zookeeper \/ KRaft\uff1a<\/strong>\u65e7\u7248\u4f9d\u8d56 Zookeeper \u7ba1\u7406\u96c6\u7fa4\u5143\u6570\u636e\uff0c\u65b0\u7248 Kafka \u53ef\u542f\u7528 KRaft \u6a21\u5f0f\u65e0 Zookeeper\u3002<\/li>\n<\/ul>\n<h2>\u5e94\u7528\u573a\u666f<\/h2>\n<p>\u5728\u9999\u6e2fVPS \u4e0a\u90e8\u7f72 Kafka \u9002\u7528\u4e8e\u591a\u7c7b\u4e1a\u52a1\uff1a<\/p>\n<ul>\n<li>\u5b9e\u65f6\u65e5\u5fd7\u91c7\u96c6\u4e0e\u5206\u6790\uff08ELK\/EFK \u96c6\u6210\uff09\u3002<\/li>\n<li>\u5fae\u670d\u52a1\u95f4\u5f02\u6b65\u901a\u4fe1\u3001\u4e8b\u4ef6\u6eaf\u6e90\u4e0e CQRS\u3002<\/li>\n<li>\u6d41\u5f0f\u6570\u636e\u5904\u7406\uff08\u4e0e Flink\u3001Spark Streaming \u8054\u52a8\uff09\u3002<\/li>\n<li>\u8de8\u57df\u6570\u636e\u540c\u6b65\uff08\u7ed3\u5408 MirrorMaker2 \u5b9e\u73b0\u9999\u6e2f\u4e0e\u7f8e\u56fdVPS \u95f4\u590d\u5236\uff09\u3002<\/li>\n<\/ul>\n<h2>\u5b9e\u6218\u90e8\u7f72\u6b65\u9aa4\uff08\u96f6\u5230\u4e00\uff09<\/h2>\n<h3>1. \u9009\u578b\u4e0e\u8d44\u6e90\u89c4\u5212<\/h3>\n<p>\u5efa\u8bae\u81f3\u5c11 3 \u4e2a\u72ec\u7acb VPS \u8282\u70b9\u6784\u6210 Kafka \u96c6\u7fa4\uff08\u53ef\u7528\u5728\u4e0d\u540c\u53ef\u7528\u533a\u4ee5\u9632\u5355\u70b9\u6545\u969c\uff09\uff0c\u6bcf\u4e2a\u8282\u70b9\u8d44\u6e90\u5efa\u8bae\uff1a<\/p>\n<ul>\n<li>CPU\uff1a4 vCPU \u53ca\u4ee5\u4e0a\uff1b<\/li>\n<li>\u5185\u5b58\uff1a8GB ~ 32GB\uff0cJVM \u5806\u5efa\u8bae\u4fdd\u7559\u4e0d\u8d85\u8fc7\u7269\u7406\u5185\u5b58\u7684\u4e00\u534a\uff1b<\/li>\n<li>\u78c1\u76d8\uff1aSSD\uff0c\u5c3d\u91cf\u4f7f\u7528\u72ec\u7acb\u6570\u636e\u76d8\uff0c\u5efa\u8bae RAID1\/RAID10 \u6216\u4e91\u76d8\u5feb\u7167\u7b56\u7565\uff1b<\/li>\n<li>\u7f51\u7edc\uff1a\u4fdd\u8bc1 1Gbps \u5e26\u5bbd\u4e0e\u4f4e\u5ef6\u8fdf\uff0c\u9999\u6e2fVPS \u7684\u516c\u7f51 IP \u4e0e\u5e26\u5bbd\u8981\u6839\u636e\u6d41\u91cf\u9884\u7559\u3002<\/li>\n<\/ul>\n<h3>2. \u64cd\u4f5c\u7cfb\u7edf\u4e0e\u57fa\u7840\u914d\u7f6e<\/h3>\n<p>\u63a8\u8350\u4f7f\u7528 Ubuntu Server \u6216 CentOS\u3002\u57fa\u7840\u4f18\u5316\uff1a<\/p>\n<ul>\n<li>\u5173\u95ed swap \u6216\u8bbe\u7f6e\u5408\u7406 swappiness\uff08vm.swappiness=1\uff09\uff1b<\/li>\n<li>\u8c03\u6574\u6587\u4ef6\u53e5\u67c4\u6570\uff08ulimit -n \u81f3 100000\uff09\uff1b<\/li>\n<li>\u8c03\u6574\u5185\u6838\u7f51\u7edc\u53c2\u6570\uff08tcp_keepalive\u3001net.core.somaxconn\u3001net.ipv4.tcp_tw_reuse \u7b49\uff09\uff1b<\/li>\n<li>\u5b89\u88c5\u5e76\u914d\u7f6e NTP\/chrony\uff0c\u4fdd\u8bc1\u8282\u70b9\u65f6\u95f4\u4e00\u81f4\u6027\u3002<\/li>\n<\/ul>\n<h3>3. \u5b89\u88c5 Java \u4e0e Kafka<\/h3>\n<p>Kafka \u5bf9 JVM \u8981\u6c42\u654f\u611f\uff0c\u63a8\u8350\u4f7f\u7528 OpenJDK 11 \u6216 17\u3002\u4e0b\u8f7d Kafka \u4e8c\u8fdb\u5236\u5305\uff0c\u89e3\u538b\u5e76\u4e3a\u6bcf\u4e2a broker \u914d\u7f6e\u72ec\u7acb data \u76ee\u5f55\u4e0e\u65e5\u5fd7\u76ee\u5f55\u3002<\/p>\n<ul>\n<li>\u8bbe\u7f6e KAFKA_HEAP_OPTS\uff08\u793a\u4f8b\uff1a-Xms8G -Xmx8G\uff0c\u6839\u636e\u5185\u5b58\u8bbe\u7f6e\uff09<\/li>\n<li>server.properties \u5173\u952e\u914d\u7f6e\uff1a<\/li>\n<li>broker.id\uff1a\u8282\u70b9\u552f\u4e00 ID\uff1b<\/li>\n<li>listeners\uff1aPLAINTEXT\/SSL \u5730\u5740\uff08\u5982 PLAINTEXT:\/\/0.0.0.0:9092\uff09\uff1b<\/li>\n<li>log.dirs\uff1a\u6570\u636e\u76ee\u5f55\uff1b<\/li>\n<li>num.partitions\uff1a\u9ed8\u8ba4\u5206\u533a\u6570\uff1b<\/li>\n<li>default.replication.factor\uff1a\u751f\u4ea7\u73af\u5883\u81f3\u5c11\u8bbe\u4e3a 2 \u6216 3\uff1b<\/li>\n<li>offsets.topic.replication.factor\u3001transaction.state.log.replication.factor\uff1a\u5efa\u8bae &gt;=3\u3002<\/li>\n<\/ul>\n<h3>4. \u9ad8\u53ef\u7528\u4e0e\u526f\u672c\u7b56\u7565<\/h3>\n<p>\u5b9e\u73b0\u9ad8\u53ef\u7528\u7684\u5173\u952e\u5728\u4e8e\u5206\u533a\u526f\u672c\u4e0e ISR\uff08In-Sync Replicas\uff09\u673a\u5236\uff1a<\/p>\n<ul>\n<li>\u90e8\u7f72\u81f3\u5c11 3 \u4e2a broker \u5e76\u5c06 replication.factor \u8bbe\u4e3a 3\uff0c\u4ee5\u4fbf\u5355\u70b9\u6545\u969c\u65f6\u4ecd\u53ef\u63d0\u4f9b\u670d\u52a1\u3002<\/li>\n<li>\u542f\u7528 min.insync.replicas\uff08\u4f8b\u5982 2\uff09\u4ee5\u9632\u6b62\u6570\u636e\u4e22\u5931\uff1b\u8fd9\u4f1a\u5728\u540c\u6b65\u526f\u672c\u4e0d\u8db3\u65f6\u963b\u6b62\u751f\u4ea7\u5199\u5165\u3002<\/li>\n<li>\u5408\u7406\u5212\u5206\u5206\u533a\u6570\u91cf\u4ee5\u5339\u914d\u6d88\u8d39\u8005\u5e76\u884c\u5ea6\uff0c\u8fc7\u591a\u5206\u533a\u4f1a\u589e\u52a0\u5f00\u9500\uff0c\u8fc7\u5c11\u4f1a\u9650\u5236\u541e\u5410\u3002<\/li>\n<\/ul>\n<h3>5. \u5b89\u5168\u4e0e\u7f51\u7edc<\/h3>\n<p>\u751f\u4ea7\u73af\u5883\u5fc5\u987b\u8003\u8651\u8ba4\u8bc1\u4e0e\u52a0\u5bc6\uff1a<\/p>\n<ul>\n<li>\u542f\u7528 SSL\/TLS\uff1a\u914d\u7f6e server.keystore \u4e0e client.truststore\uff0c\u4fdd\u969c\u4f20\u8f93\u52a0\u5bc6\uff1b<\/li>\n<li>\u542f\u7528 SASL\uff08\u5982 SCRAM\uff09\u505a\u5ba2\u6237\u7aef\u8ba4\u8bc1\uff1b<\/li>\n<li>\u4f7f\u7528\u9632\u706b\u5899\uff08ufw\/iptables\uff09\u53ea\u5f00\u653e\u5fc5\u8981\u7aef\u53e3\uff089092\u30012181\/ZK\u3001JMX\uff09\u7ed9\u4fe1\u4efb\u7f51\u6bb5\uff1b<\/li>\n<li>\u5c06\u7ba1\u7406\u7aef\u53e3\u8bbe\u7f6e\u5728\u5185\u7f51\uff0c\u5e76\u901a\u8fc7\u8df3\u677f\u673a\u6216 VPN \u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<h3>6. \u76d1\u63a7\u3001\u65e5\u5fd7\u4e0e\u544a\u8b66<\/h3>\n<p>\u63a8\u8350\u96c6\u6210 Prometheus + Grafana + Alertmanager\uff1a<\/p>\n<ul>\n<li>\u90e8\u7f72 JMX Exporter \u6216 Confluent \u7684\u76d1\u63a7\u63d2\u4ef6\uff0c\u91c7\u96c6 Broker \u7684\u5173\u952e\u6307\u6807\uff08BytesIn\/Out\u3001RequestRate\u3001UnderReplicatedPartitions\u3001OfflinePartitionsCount\u3001LogFlushTime\u3001GC \u7b49\uff09\uff1b<\/li>\n<li>\u8bbe\u7f6e\u65e5\u5fd7\u8f6e\u8f6c\u5e76\u76d1\u63a7\u78c1\u76d8\u4f7f\u7528\uff0c\u907f\u514d\u78c1\u76d8\u8017\u5c3d\u5bfc\u81f4\u505c\u673a\uff1b<\/li>\n<li>\u5efa\u7acb\u544a\u8b66\u7b56\u7565\uff1aISR \u4e0b\u964d\u3001UnderReplicatedPartitions&gt;0\u3001\u78c1\u76d8\u5229\u7528\u7387\u9608\u503c\u3001GC \u65f6\u95f4\u8fc7\u957f\u7b49\u3002<\/li>\n<\/ul>\n<h2>\u6027\u80fd\u8c03\u4f18\u4e0e\u8fd0\u7ef4\u8981\u70b9<\/h2>\n<p>\u5728\u9999\u6e2fVPS \u73af\u5883\u4e0b\uff0c\u6709\u51e0\u9879\u5e38\u89c1\u8c03\u4f18\u9879\uff1a<\/p>\n<ul>\n<li><strong>JVM GC \u8c03\u4f18\uff1a<\/strong>\u9009\u62e9 G1GC\uff08OpenJDK11+\uff09\uff0c\u8bbe\u7f6e\u5408\u7406\u5806\u5927\u5c0f\u5e76\u76d1\u63a7 GC \u505c\u987f\uff1b<\/li>\n<li><strong>\u78c1\u76d8\u4e0e I\/O\uff1a<\/strong>\u7981\u7528 fsync \u53ef\u80fd\u63d0\u5347\u541e\u5410\u4f46\u98ce\u9669\u9ad8\uff0c\u5efa\u8bae\u4f7f\u7528\u541e\u5410\u4e0e\u6301\u4e45\u6027\u6743\u8861\uff1b<\/li>\n<li><strong>\u6279\u5904\u7406\u4e0e\u538b\u7f29\uff1a<\/strong>\u8c03\u6574 producer.batch.size\u3001linger.ms \u4e0e compression.type\uff08\u5982 snappy\uff09\uff0c\u63d0\u9ad8\u7f51\u7edc\u4e0e\u78c1\u76d8\u5229\u7528\u7387\uff1b<\/li>\n<li><strong>\u7f51\u7edc\u8c03\u4f18\uff1a<\/strong>\u589e\u52a0 socket.send.buffer.bytes \u4e0e socket.receive.buffer.bytes\uff0c\u964d\u4f4e\u7f51\u7edc\u6296\u52a8\u5bf9\u541e\u5410\u7684\u5f71\u54cd\uff1b<\/li>\n<\/ul>\n<h2>\u6570\u636e\u5907\u4efd\u4e0e\u8de8\u533a\u57df\u5bb9\u707e<\/h2>\n<p>\u4ec5\u9760\u526f\u672c\u5e76\u4e0d\u80fd\u66ff\u4ee3\u5f02\u5730\u5907\u4efd\u3002\u5e38\u7528\u7b56\u7565\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528 MirrorMaker2 \u5728\u9999\u6e2f\u4e0e\u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668 \u4e4b\u95f4\u505a\u5f02\u5730\u5907\u4efd\u4e0e\u8bfb\u53d6\u5206\u6d41\uff1b<\/li>\n<li>\u5b9a\u671f\u5229\u7528\u5feb\u7167\u6216\u5de5\u5177\u5c06\u7279\u5b9a Topic \u5bfc\u51fa\u5230\u5bf9\u8c61\u5b58\u50a8\uff08S3 \u6216\u517c\u5bb9\u670d\u52a1\uff09\uff1b<\/li>\n<li>\u6f14\u7ec3\u6545\u969c\u5207\u6362\uff0c\u786e\u4fdd\u5728\u5355\u533a\u57df\u6545\u969c\u65f6\u6709\u660e\u786e\u7684\u6062\u590d\u6d41\u7a0b\u3002<\/li>\n<\/ul>\n<h2>\u4f18\u52bf\u5bf9\u6bd4\uff1a\u9999\u6e2fVPS \u4e0e \u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668<\/h2>\n<p>\u9009\u62e9\u90e8\u7f72\u5730\u70b9\u65f6\u5e94\u6743\u8861\u5ef6\u8fdf\u3001\u5408\u89c4\u4e0e\u7528\u6237\u5206\u5e03\uff1a<\/p>\n<ul>\n<li>\u9999\u6e2fVPS \u4f18\u52bf\uff1a\u9762\u5411\u4e9a\u592a\u7528\u6237\u4f4e\u5ef6\u8fdf\u3001\u4e0e\u4e2d\u56fd\u5927\u9646\u7f51\u7edc\u4e92\u901a\u66f4\u597d\uff1b<\/li>\n<li>\u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668 \u4f18\u52bf\uff1a\u9760\u8fd1\u5317\u7f8e\u5ba2\u6237\u3001\u53ef\u80fd\u4eab\u53d7\u66f4\u4e30\u5bcc\u7684\u4e91\u751f\u6001\u4e0e\u8ba1\u8d39\u6a21\u5f0f\uff1b<\/li>\n<li>\u6df7\u5408\u90e8\u7f72\uff1a\u5728\u9999\u6e2f\u4e0e\u7f8e\u56fd\u5404\u81ea\u90e8\u7f72 Broker \u5e76\u7528 MirrorMaker2 \u6216\u8de8\u96c6\u7fa4\u590d\u5236\u53ef\u5b9e\u73b0\u5168\u7403\u53ef\u7528\u4e0e\u5bb9\u707e\uff0c\u4f46\u9700\u5904\u7406\u8de8\u533a\u57df\u5e26\u5bbd\u8d39\u7528\u4e0e\u4e00\u81f4\u6027\u5ef6\u8fdf\u3002<\/li>\n<\/ul>\n<h2>\u9009\u8d2d\u5efa\u8bae<\/h2>\n<p>\u4e3a\u4fdd\u8bc1 Kafka \u7684\u7a33\u5b9a\u8fd0\u884c\uff0c\u9009\u8d2d VPS \u65f6\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>\u4f18\u5148\u9009\u62e9\u63d0\u4f9b\u7a33\u5b9a SSD \u4e0e\u5408\u9002\u7f51\u7edc\u5e26\u5bbd\u7684\u9999\u6e2fVPS \u4ea7\u54c1\uff1b<\/li>\n<li>\u8003\u8651\u8d2d\u4e70\u591a\u53ef\u7528\u533a\u5b9e\u4f8b\u6216\u591a\u8282\u70b9\u5206\u5e03\uff0c\u907f\u514d\u5355\u4e00\u7269\u7406\u6545\u969c\uff1b<\/li>\n<li>\u6bd4\u8f83\u9999\u6e2f\u670d\u52a1\u5668 \u4e0e\u7f8e\u56fd\u670d\u52a1\u5668 \u7684\u516c\u7f51\u51fa\u53e3\u4e0e\u6d41\u91cf\u8ba1\u8d39\uff0c\u8bc4\u4f30\u957f\u671f\u6210\u672c\uff1b<\/li>\n<li>\u5982\u9700\u8de8\u533a\u540c\u6b65\uff0c\u9884\u4f30\u8de8\u533a\u5e26\u5bbd\u9700\u6c42\u5e76\u9009\u62e9\u5408\u9002\u5e26\u5bbd\u5305\u4ee5\u964d\u4f4e\u5ef6\u8fdf\u4e0e\u8d39\u7528\u3002<\/li>\n<\/ul>\n<h2>\u5e38\u89c1\u6545\u969c\u4e0e\u6392\u67e5\u601d\u8def<\/h2>\n<p>\u4e00\u4e9b\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u51b3\u65b9\u5411\uff1a<\/p>\n<ul>\n<li>Broker \u65e0\u6cd5\u542f\u52a8\uff1a\u68c0\u67e5\u65e5\u5fd7\uff08server.log\uff09\u3001\u78c1\u76d8\u6743\u9650\u3001JVM \u8bbe\u7f6e\uff1b<\/li>\n<li>ISR \u7f29\u5c0f\u6216 UnderReplicatedPartitions\uff1a\u68c0\u67e5\u7f51\u7edc\u5ef6\u8fdf\u3001\u78c1\u76d8 I\/O \u74f6\u9888\u3001GC \u505c\u987f\uff1b<\/li>\n<li>\u6d88\u8d39\u8005\u6ede\u540e\uff1a\u67e5\u770b consumer lag\u3001broker \u6027\u80fd\u3001partition \u5206\u914d\u7b56\u7565\uff1b<\/li>\n<li>\u6570\u636e\u4e22\u5931\u98ce\u9669\uff1a\u6838\u67e5 min.insync.replicas \u4e0e acks \u914d\u7f6e\uff08\u751f\u4ea7\u7aef\u5e94\u4f7f\u7528 acks=all\uff09\u3002<\/li>\n<\/ul>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u5728\u9999\u6e2fVPS \u4e0a\u4ece\u96f6\u5230\u4e00\u90e8\u7f72 Kafka\uff0c\u53ef\u4ee5\u4e3a\u4e9a\u592a\u4e1a\u52a1\u63d0\u4f9b\u4f4e\u5ef6\u8fdf\u3001\u9ad8\u53ef\u7528\u7684\u4e8b\u4ef6\u9a71\u52a8\u5e73\u53f0\u3002\u6838\u5fc3\u8981\u70b9\u5305\u62ec\uff1a\u5408\u7406\u7684\u96c6\u7fa4\u62d3\u6251\uff08\u81f3\u5c11 3 \u8282\u70b9\uff09\u3001\u526f\u672c\u4e0e min.insync.replicas \u7b56\u7565\u3001\u4e25\u683c\u7684\u5b89\u5168\u4e0e\u7f51\u7edc\u63a7\u5236\u3001\u5145\u5206\u7684\u76d1\u63a7\u4e0e\u544a\u8b66\u4f53\u7cfb\uff0c\u4ee5\u53ca\u8de8\u533a\u57df\u5907\u4efd\/\u5bb9\u707e\u65b9\u6848\uff08\u53ef\u7ed3\u5408\u7f8e\u56fdVPS\/\u7f8e\u56fd\u670d\u52a1\u5668 \u505a\u5f02\u5730\u540c\u6b65\uff09\u3002\u5728\u9009\u8d2d VPS \u4e0e\u914d\u7f6e\u8d44\u6e90\u65f6\uff0c\u5e94\u4f18\u5148\u8003\u8651\u78c1\u76d8 I\/O\u3001\u7f51\u7edc\u5e26\u5bbd\u4e0e\u8282\u70b9\u9694\u79bb\uff0c\u786e\u4fdd\u65e5\u540e\u53ef\u6269\u5c55\u4e0e\u8fd0\u7ef4\u4fbf\u5229\u3002<\/p>\n<p>\u6b32\u4e86\u89e3\u9002\u5408\u90e8\u7f72 Kafka \u7684\u9999\u6e2f VPS \u65b9\u6848\u4e0e\u66f4\u591a\u914d\u7f6e\u9009\u9879\uff0c\u53ef\u8bbf\u95ee Server.HK \u7684\u9999\u6e2fVPS \u4ea7\u54c1\u9875\u9762\u4e86\u89e3\u5177\u4f53\u5957\u9910\u4e0e\u7f51\u7edc\u914d\u7f6e\uff1a<a href=\"https:\/\/www.server.hk\/cloud.php\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.server.hk\/cloud.php<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u60f3\u5728\u4e9a\u592a\u5730\u533a\u6253\u9020\u4f4e\u5ef6\u8fdf\u3001\u9ad8\u53ef\u7528\u7684\u4e8b\u4ef6\u9a71\u52a8\u5e73\u53f0\uff1f\u672c\u6307\u5357\u624b\u628a\u624b\u6559\u4f60\u5982\u4f55\u5728\u9999\u6e2fVPS \u90e8\u7f72 Kafka\uff0c\u4ece\u67b6\u6784\u8bbe\u8ba1\u5230\u8c03\u4f18\u4e0e\u8de8\u533a\u6269\u5c55\uff0c\u4e00\u6b65\u6b65\u843d\u5730\u751f\u4ea7\u7ea7\u96c6\u7fa4\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4927],"tags":[2742,2739,206,2741,367,2743,2744,2738,107,2740],"class_list":{"0":"post-209384","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-4927","7":"tag-kafka","9":"tag-vps","10":"tag-2741","11":"tag-367","12":"tag-2743","13":"tag-2744","16":"tag-2740"},"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209384","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=209384"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209384\/revisions"}],"predecessor-version":[{"id":209385,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/209384\/revisions\/209385"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=209384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=209384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=209384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}