{"id":32726,"date":"2026-08-20T16:00:00","date_gmt":"2026-08-20T08:00:00","guid":{"rendered":"https:\/\/cn.hostease.com\/blog\/?p=32726"},"modified":"2026-08-20T20:27:57","modified_gmt":"2026-08-20T12:27:57","slug":"kafka-lag","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/guides\/kafka-lag\/","title":{"rendered":"Kafka \u6d88\u8d39\u5ef6\u8fdf\u6cbb\u7406\uff1a\u4ece Lag \u76d1\u63a7\u5230\u5206\u533a\u518d\u5e73\u8861"},"content":{"rendered":"

\"Kafka<\/p>\n

\u8fd9\u7bc7\u6307\u5357\u5e2e\u52a9\u4f60\u7406\u89e3 Kafka \u6d88\u8d39\u5ef6\u8fdf\uff08Lag\uff09\u7684\u672c\u8d28\uff0c\u638c\u63e1\u7528\u547d\u4ee4\u884c\u548c\u6307\u6807\u76d1\u63a7 Lag \u7684\u65b9\u6cd5\uff0c\u5e76\u5b66\u4f1a\u5728\u6d88\u8d39\u79ef\u538b\u65f6\u901a\u8fc7\u5206\u533a\u518d\u5e73\u8861\uff08Rebalance\uff09\u7b49\u624b\u6bb5\u6062\u590d\u541e\u5410\u3002Kafka\uff08\u4e00\u79cd\u5206\u5e03\u5f0f\u6d88\u606f\u961f\u5217\u7cfb\u7edf\uff09\u6d88\u8d39\u5ef6\u8fdf\u6cbb\u7406\u662f\u6d88\u606f\u4e2d\u95f4\u4ef6\u8fd0\u7ef4\u91cc\u6700\u5e38\u88ab\u5ffd\u89c6\u3001\u53c8\u6700\u5bb9\u6613\u5f15\u53d1\u7ebf\u4e0a\u4e8b\u6545\u7684\u4e00\u73af\uff1a\u6d88\u8d39\u8005\u4e00\u65e6\u8ddf\u4e0d\u4e0a\u751f\u4ea7\u901f\u5ea6\uff0c\u5806\u79ef\u7684\u6d88\u606f\u4f1a\u6301\u7eed\u653e\u5927\u5ef6\u8fdf\uff0c\u6700\u7ec8\u62d6\u57ae\u4e0b\u6e38\u6570\u636e\u5e93\u548c\u63a5\u53e3\u3002<\/p>\n

\u5982\u679c\u4f60\u5728 Hostease \u8fd9\u7c7b\u9762\u5411\u4e2d\u6587\u7528\u6237\u7684 [VPS](https:\/\/cn.hostease.com\/vps\/)\uff08[\u865a\u62df\u4e13\u7528\u670d\u52a1\u5668](https:\/\/cn.hostease.com\/vps\/)\uff09\u6216[\u72ec\u7acb\u670d\u52a1\u5668](https:\/\/cn.hostease.com\/dedicated-server\/)\u4e0a\u81ea\u5efa Kafka \u96c6\u7fa4\uff0c\u6d88\u8d39\u5ef6\u8fdf\u6cbb\u7406\u548c\u5206\u7247\u4e0e\u5206\u533a\u8bbe\u8ba1<\/a>\u4e00\u6837\u5c5e\u4e8e\u4e0a\u7ebf\u524d\u5c31\u8be5\u5b9a\u597d\u7684\u57fa\u7ebf\u3002\u672c\u6587\u4e0d\u91cd\u590d Kafka \u57fa\u7840\u6982\u5ff5\uff0c\u53ea\u805a\u7126\u4e09\u4ef6\u4e8b\uff1aLag \u600e\u4e48\u76d1\u63a7\u3001\u79ef\u538b\u600e\u4e48\u6392\u67e5\u3001\u518d\u5e73\u8861\u600e\u4e48\u6cbb\u7406\u3002<\/p>\n

\u4e00\u3001Lag \u662f\u4ec0\u4e48\uff0c\u4e3a\u4ec0\u4e48\u5b83\u51b3\u5b9a\u6d88\u8d39\u5065\u5eb7\u5ea6<\/h2>\n

Kafka \u7684\u6bcf\u4e2a\u5206\u533a\uff08Partition\uff09\u7ef4\u62a4\u4e24\u4e2a\u504f\u79fb\u91cf\uff1a\u751f\u4ea7\u8005\u5199\u5165\u7684\u6700\u65b0\u504f\u79fb\u91cf\uff08Log End Offset\uff0c\u7b80\u79f0 LEO\uff09\u548c\u6d88\u8d39\u8005\u5df2\u63d0\u4ea4\u7684\u504f\u79fb\u91cf\uff08Committed Offset\uff09\u3002\u4e24\u8005\u4e4b\u5dee\u5c31\u662f Lag\uff0c\u5373\u6d88\u8d39\u8005\u5c1a\u672a\u5904\u7406\u7684\u6d88\u606f\u6761\u6570\u3002Lag \u4e3a 0 \u8868\u793a\u6d88\u8d39\u8005\u5b8c\u5168\u8ddf\u4e0a\u751f\u4ea7\u901f\u5ea6\uff1bLag \u6301\u7eed\u589e\u957f\u5219\u8bf4\u660e\u6d88\u8d39\u80fd\u529b\u4e0d\u8db3\uff0c\u6d88\u606f\u5728\u79ef\u538b\u3002<\/p>\n

Lag \u662f\u6bd4 CPU \u6216\u5185\u5b58\u66f4\u65e9\u66b4\u9732\u95ee\u9898\u7684\u4fe1\u53f7\u3002\u6d88\u8d39\u8005\u8fdb\u7a0b\u7684 CPU \u53ef\u80fd\u4e00\u76f4\u6b63\u5e38\uff0c\u4f46 Lag \u5df2\u7ecf\u6084\u6084\u6da8\u5230\u51e0\u5341\u4e07\u6761\u3002\u539f\u56e0\u5728\u4e8e Lag \u53cd\u6620\u7684\u662f”\u4f9b\u9700\u5dee”\uff1a\u751f\u4ea7\u901f\u7387\u5927\u4e8e\u6d88\u8d39\u901f\u7387\u65f6\uff0c\u65e0\u8bba\u6d88\u8d39\u8005\u8fdb\u7a0b\u591a\u5065\u5eb7\uff0c\u79ef\u538b\u90fd\u4f1a\u53d1\u751f\u3002\u56e0\u6b64\u76d1\u63a7 Lag \u662f\u6cbb\u7406\u6d88\u8d39\u5ef6\u8fdf\u7684\u7b2c\u4e00\u6b65\uff0c\u4e5f\u662f\u5224\u65ad\u518d\u5e73\u8861\u662f\u5426\u5fc5\u8981\u7684\u524d\u63d0\u3002<\/p>\n

\u4e8c\u3001Lag \u76d1\u63a7\uff1a\u547d\u4ee4\u4e0e\u6307\u6807<\/h2>\n

\u6700\u76f4\u63a5\u7684\u76d1\u63a7\u65b9\u5f0f\u662f\u4f7f\u7528 Kafka \u81ea\u5e26\u7684\u547d\u4ee4\u884c\u5de5\u5177\u3002\u4ee5\u6d88\u8d39\u7ec4 order-group \u4e3a\u4f8b\uff0c\u67e5\u770b\u5176\u6240\u6709\u5206\u533a\u7684 Lag\uff1a<\/p>\n

 # \u67e5\u770b\u6d88\u8d39\u7ec4\u5404\u5206\u533a Lag\nkafka-consumer-groups.sh --bootstrap-server localhost:9092 \\\n  --describe --group order-group\n\n # \u53ea\u770b Lag \u975e\u96f6\u7684\u5206\u533a\uff08\u914d\u5408 grep \u8fc7\u6ee4\uff09\nkafka-consumer-groups.sh --bootstrap-server localhost:9092 \\\n  --describe --group order-group | awk '$6 != 0 {print}'<\/pre>\n
\u8f93\u51fa\u4e2d\u7684 CURRENT-OFFSET \u662f\u6d88\u8d39\u8005\u5df2\u63d0\u4ea4\u504f\u79fb\u91cf\uff0cLOG-END-OFFSET \u662f\u5206\u533a\u6700\u65b0\u504f\u79fb\u91cf\uff0cLAG \u5373\u4e24\u8005\u4e4b\u5dee\u3002\u82e5\u67d0\u5206\u533a LAG \u957f\u671f\u4e3a 0 \u800c\u5176\u4ed6\u5206\u533a\u79ef\u538b\uff0c\u901a\u5e38\u662f\u5206\u533a\u5206\u914d\u4e0d\u5747\u6216\u5355\u5206\u533a\u6d88\u8d39\u74f6\u9888\uff0c\u800c\u4e0d\u662f\u6574\u4f53\u6d88\u8d39\u80fd\u529b\u95ee\u9898\u3002<\/p>\n
\u751f\u4ea7\u73af\u5883\u5efa\u8bae\u628a Lag \u63a5\u5165\u76d1\u63a7\u7cfb\u7edf\u3002Kafka \u6d88\u8d39\u8005\u901a\u8fc7 JMX\uff08Java \u7ba1\u7406\u6269\u5c55\uff09\u66b4\u9732\u6307\u6807\uff0c\u5176\u4e2d records-lag-max \u8868\u793a\u8be5\u6d88\u8d39\u8005\u6240\u6709\u5206\u533a\u4e2d\u7684\u6700\u5927 Lag\uff0crecords-lag \u662f\u5404\u5206\u533a Lag \u7684\u5206\u5e03\u3002\u7528 Prometheus \u7684 jmx_exporter \u6293\u53d6\u540e\uff0c\u53ef\u4ee5\u8bbe\u7f6e\u544a\u8b66\u9608\u503c\uff0c\u4f8b\u5982 Lag \u8d85\u8fc7 10000 \u6216\u6301\u7eed\u589e\u957f\u8d85\u8fc7 5 \u5206\u949f\u5373\u89e6\u53d1\u901a\u77e5\u3002\u76f8\u6bd4\u4eba\u5de5\u6572\u547d\u4ee4\uff0c\u6307\u6807\u76d1\u63a7\u80fd\u7b2c\u4e00\u65f6\u95f4\u53d1\u73b0\u79ef\u538b\u8d8b\u52bf\u3002<\/p>\n
\"Lag<\/p>\n
\u4e09\u3001\u6d88\u8d39\u5ef6\u8fdf\u6392\u67e5\u8868<\/h2>\n
Lag \u4e0a\u6da8\u540e\uff0c\u5148\u522b\u6025\u7740\u8c03\u53c2\u6570\uff0c\u6309\u4e0b\u9762\u7684\u6392\u67e5\u8868\u9010\u9879\u5b9a\u4f4d\u6839\u56e0\u3002\u591a\u6570\u79ef\u538b\u4e0d\u662f\u5355\u4e00\u539f\u56e0\uff0c\u800c\u662f\u591a\u4e2a\u56e0\u7d20\u53e0\u52a0\u3002<\/p>\n\n\n\n\n\n\n\n\n\n
\u73b0\u8c61<\/th>\n\u53ef\u80fd\u539f\u56e0<\/th>\n\u6392\u67e5\u547d\u4ee4 \/ \u624b\u6bb5<\/th>\n\u5904\u7406\u65b9\u5411<\/th>\n<\/tr>\n<\/thead>\n
\u6240\u6709\u5206\u533a Lag \u540c\u6b65\u4e0a\u6da8<\/td>\n\u6d88\u8d39\u901f\u7387\u6574\u4f53\u4f4e\u4e8e\u751f\u4ea7\u901f\u7387<\/td>\n\u5bf9\u6bd4\u751f\u4ea7\u7aef\u541e\u5410\u4e0e\u6d88\u8d39\u7aef\u541e\u5410<\/td>\n\u589e\u52a0\u6d88\u8d39\u8005\u5b9e\u4f8b\u6216\u8c03\u5927 max.poll.records<\/td>\n<\/tr>\n
\u5355\u4e2a\u5206\u533a Lag \u72ec\u9ad8<\/td>\n\u5206\u533a\u6570\u636e\u503e\u659c\u6216\u5355\u5206\u533a\u5904\u7406\u6162<\/td>\n\u67e5\u770b\u8be5\u5206\u533a\u6d88\u606f key \u5206\u5e03<\/td>\n\u91cd\u65b0\u8bbe\u8ba1 key \u6216\u62c6\u5206\u70ed\u70b9\u5206\u533a<\/td>\n<\/tr>\n
Lag \u5468\u671f\u6027\u56de\u843d\u540e\u53c8\u4e0a\u6da8<\/td>\n\u6d88\u8d39\u8005\u9891\u7e41\u89e6\u53d1\u518d\u5e73\u8861<\/td>\n\u67e5\u770b rebalance \u65e5\u5fd7\u4e0e group \u72b6\u6001<\/td>\n\u8c03\u5927 session.timeout.ms \u6216\u542f\u7528\u9759\u6001\u6210\u5458<\/td>\n<\/tr>\n
Lag \u4e0a\u6da8\u4e14\u6d88\u8d39\u8005 CPU \u9ad8<\/td>\n\u5355\u6761\u6d88\u606f\u5904\u7406\u903b\u8f91\u8fc7\u91cd<\/td>\n\u5206\u6790\u6d88\u8d39\u7aef\u8017\u65f6\u5206\u5e03<\/td>\n\u4f18\u5316\u5904\u7406\u903b\u8f91\u6216\u5f15\u5165\u5f02\u6b65\u6279\u91cf<\/td>\n<\/tr>\n
Lag \u4e0a\u6da8\u4f46\u6d88\u8d39\u8005\u7a7a\u95f2<\/td>\npoll \u95f4\u9694\u8d85\u65f6\u88ab\u8e22\u51fa\u7ec4<\/td>\n\u68c0\u67e5 max.poll.interval.ms \u4e0e\u5904\u7406\u8017\u65f6<\/td>\n\u8c03\u5927 max.poll.interval.ms \u6216\u51cf\u5c11\u5355\u6b21\u62c9\u53d6\u91cf<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u6392\u67e5\u65f6\u5efa\u8bae\u5148\u770b\u6d88\u8d39\u8005\u65e5\u5fd7\u91cc\u662f\u5426\u6709 rebalance \u6216 commit \u5931\u8d25\u8bb0\u5f55\uff0c\u518d\u7ed3\u5408 Lag \u66f2\u7ebf\u5224\u65ad\u662f\u6301\u7eed\u79ef\u538b\u8fd8\u662f\u6296\u52a8\u3002\u82e5\u6d88\u8d39\u7aef\u6d89\u53ca\u6570\u636e\u5e93\u5199\u5165\uff0c\u53ef\u53c2\u8003\u6162\u67e5\u8be2\u5206\u6790<\/a>\u5b9a\u4f4d\u4e0b\u6e38\u74f6\u9888\uff0c\u56e0\u4e3a\u6d88\u8d39\u6162\u5f80\u5f80\u4e0d\u662f Kafka \u672c\u8eab\u7684\u95ee\u9898\uff0c\u800c\u662f\u4e0b\u6e38\u5b58\u50a8\u8ddf\u4e0d\u4e0a\u3002<\/p>\n
\u56db\u3001\u5206\u533a\u518d\u5e73\u8861\uff1a\u89e6\u53d1\u673a\u5236\u4e0e\u5f71\u54cd<\/h2>\n
\u5206\u533a\u518d\u5e73\u8861\uff08Rebalance\uff09\u662f\u6d88\u8d39\u8005\u7ec4\u5728\u6210\u5458\u53d8\u5316\u6216\u8ba2\u9605\u53d8\u5316\u65f6\uff0c\u91cd\u65b0\u5206\u914d\u5206\u533a\u5f52\u5c5e\u7684\u8fc7\u7a0b\u3002\u89e6\u53d1\u6761\u4ef6\u5305\u62ec\uff1a\u6d88\u8d39\u8005\u52a0\u5165\u6216\u79bb\u5f00\u7ec4\u3001\u8ba2\u9605\u7684 topic \u5206\u533a\u6570\u53d8\u5316\u3001\u6d88\u8d39\u8005\u5fc3\u8df3\u8d85\u65f6\u3002\u518d\u5e73\u8861\u671f\u95f4\uff0c\u7ec4\u5185\u6240\u6709\u6d88\u8d39\u8005\u4f1a\u77ed\u6682\u505c\u6b62\u6d88\u8d39\uff0c\u7b49\u5f85\u65b0\u7684\u5206\u914d\u7ed3\u679c\uff0c\u8fd9\u6bb5\u65f6\u95f4\u7684 Lag \u4f1a\u6682\u65f6\u4e0a\u5347\u3002<\/p>\n
\u518d\u5e73\u8861\u672c\u8eab\u4e0d\u662f\u95ee\u9898\uff0c\u95ee\u9898\u5728\u4e8e”\u518d\u5e73\u8861\u98ce\u66b4”\uff1a\u4e00\u4e2a\u6d88\u8d39\u8005\u53cd\u590d\u8d85\u65f6\uff0c\u5bfc\u81f4\u7ec4\u5185\u9891\u7e41\u89e6\u53d1\u518d\u5e73\u8861\uff0c\u6bcf\u6b21\u518d\u5e73\u8861\u90fd\u8ba9\u6240\u6709\u6d88\u8d39\u8005\u6682\u505c\uff0cLag \u5728\u6682\u505c\u671f\u95f4\u5feb\u901f\u7d2f\u79ef\uff0c\u5f62\u6210\u6076\u6027\u5faa\u73af\u3002\u6cbb\u7406\u518d\u5e73\u8861\u98ce\u66b4\uff0c\u6838\u5fc3\u662f\u8ba9\u6d88\u8d39\u8005\u7a33\u5b9a\u5730\u7559\u5728\u7ec4\u5185\u3002<\/p>\n
\"\u5206\u533a\u518d\u5e73\u8861\u89e6\u53d1\u4e0e\u5f71\u54cd\"<\/p>\n
\u5206\u533a\u5206\u914d\u7b56\u7565\u4e0e\u5206\u7247\u8bbe\u8ba1<\/a>\u540c\u7406\uff1a\u5206\u533a\u6570\u3001\u6d88\u8d39\u8005\u6570\u3001\u5206\u914d\u7b56\u7565\u5171\u540c\u51b3\u5b9a\u8d1f\u8f7d\u662f\u5426\u5747\u8861\u3002\u5206\u533a\u6570\u5e94\u5927\u4e8e\u7b49\u4e8e\u6d88\u8d39\u8005\u6570\uff0c\u5426\u5219\u5fc5\u7136\u6709\u6d88\u8d39\u8005\u7a7a\u95f2\uff1b\u5206\u914d\u7b56\u7565\uff08Range \u6216 RoundRobin\uff09\u5f71\u54cd\u5206\u533a\u5728\u6d88\u8d39\u8005\u95f4\u7684\u5206\u5e03\u65b9\u5f0f\u3002<\/p>\n
\u4e94\u3001\u518d\u5e73\u8861\u6cbb\u7406\uff1a\u53c2\u6570\u4e0e\u9759\u6001\u6210\u5458<\/h2>\n
\u6cbb\u7406\u518d\u5e73\u8861\u98ce\u66b4\uff0c\u5148\u8c03\u6574\u4e09\u4e2a\u5173\u952e\u53c2\u6570\u3002session.timeout.ms \u662f\u6d88\u8d39\u8005\u5931\u8054\u591a\u4e45\u88ab\u5224\u5b9a\u4e3a\u6b7b\u4ea1\uff0c\u9ed8\u8ba4 45 \u79d2\uff1bheartbeat.interval.ms \u662f\u5fc3\u8df3\u95f4\u9694\uff0c\u5e94\u5c0f\u4e8e session.timeout \u7684\u4e09\u5206\u4e4b\u4e00\uff1bmax.poll.interval.ms \u662f\u4e24\u6b21 poll \u4e4b\u95f4\u7684\u6700\u5927\u95f4\u9694\uff0c\u9ed8\u8ba4 5 \u5206\u949f\uff0c\u82e5\u5355\u6279\u6d88\u606f\u5904\u7406\u8d85\u8fc7\u8be5\u503c\uff0c\u6d88\u8d39\u8005\u4f1a\u88ab\u5224\u5b9a\u4e3a”\u5904\u7406\u8fc7\u6162”\u800c\u8e22\u51fa\u7ec4\u3002<\/p>\n
 # \u6d88\u8d39\u8005\u914d\u7f6e\u793a\u4f8b\uff08Java Properties \u7247\u6bb5\uff09\nsession.timeout.ms=45000\nheartbeat.interval.ms=10000\nmax.poll.interval.ms=600000\nmax.poll.records=500<\/pre>\n
\u5982\u679c\u6d88\u8d39\u8005\u5904\u7406\u5355\u6279\u6d88\u606f\u8017\u65f6\u6ce2\u52a8\u5927\uff0c\u4e0e\u5176\u65e0\u9650\u8c03\u5927 max.poll.interval.ms\uff0c\u4e0d\u5982\u51cf\u5c0f max.poll.records\uff0c\u8ba9\u6bcf\u6b21 poll \u62c9\u53d6\u66f4\u5c11\u6d88\u606f\u3001\u66f4\u5feb\u8fd4\u56de\uff0c\u4ece\u800c\u964d\u4f4e\u88ab\u8e22\u51fa\u7ec4\u7684\u6982\u7387\u3002\u8fd9\u662f”\u7528\u66f4\u5c0f\u7684\u6279\u6b21\u6362\u66f4\u7a33\u7684\u5fc3\u8df3”\u7684\u5e38\u89c1\u53d6\u820d\u3002<\/p>\n
Kafka 2.4 \u8d77\u652f\u6301\u9759\u6001\u6210\u5458\uff08Static Membership\uff09\uff0c\u901a\u8fc7 group.instance.id \u4e3a\u6d88\u8d39\u8005\u6307\u5b9a\u552f\u4e00 ID\u3002\u542f\u7528\u540e\uff0c\u6d88\u8d39\u8005\u77ed\u6682\u91cd\u542f\u4e0d\u4f1a\u89e6\u53d1\u518d\u5e73\u8861\uff0c\u7ec4\u5185\u5176\u4ed6\u6210\u5458\u7ee7\u7eed\u6d88\u8d39\uff0c\u53ea\u6709\u8be5\u6d88\u8d39\u8005\u771f\u6b63\u79bb\u5f00\u624d\u91cd\u65b0\u5206\u914d\u3002\u8fd9\u5bf9\u9891\u7e41\u53d1\u5e03\u91cd\u542f\u7684\u6d88\u8d39\u7aef\u5c24\u5176\u6709\u6548\uff0c\u80fd\u663e\u8457\u51cf\u5c11\u518d\u5e73\u8861\u6b21\u6570\u3002<\/p>\n
\u516d\u3001\u6d88\u8d39\u79ef\u538b\u7684\u6062\u590d\u624b\u6bb5<\/h2>\n
\u5f53 Lag \u5df2\u7ecf\u79ef\u538b\u5230\u4e1a\u52a1\u4e0d\u53ef\u63a5\u53d7\u65f6\uff0c\u9700\u8981\u4e3b\u52a8\u6062\u590d\u3002\u6700\u76f4\u63a5\u7684\u624b\u6bb5\u662f\u589e\u52a0\u6d88\u8d39\u8005\u5b9e\u4f8b\uff0c\u8ba9\u66f4\u591a\u6d88\u8d39\u8005\u5e76\u884c\u6d88\u8d39\u5206\u533a\u3002\u4f46\u8981\u6ce8\u610f\uff1a\u5206\u533a\u6570\u51b3\u5b9a\u4e86\u6700\u5927\u5e76\u884c\u5ea6\uff0c\u6d88\u8d39\u8005\u6570\u8d85\u8fc7\u5206\u533a\u6570\u65f6\uff0c\u591a\u4f59\u6d88\u8d39\u8005\u53ea\u4f1a\u7a7a\u95f2\u3002\u56e0\u6b64\u6269\u5bb9\u524d\u5148\u786e\u8ba4\u5206\u533a\u6570\u662f\u5426\u8db3\u591f\uff0c\u5fc5\u8981\u65f6\u5148\u589e\u52a0\u5206\u533a\u3002<\/p>\n
\u53e6\u4e00\u79cd\u624b\u6bb5\u662f\u91cd\u7f6e\u504f\u79fb\u91cf\uff0c\u8ba9\u6d88\u8d39\u8005\u4ece\u6307\u5b9a\u4f4d\u7f6e\u91cd\u65b0\u6d88\u8d39\u3002\u4f8b\u5982\u628a\u6d88\u8d39\u7ec4\u91cd\u7f6e\u5230\u6700\u65b0\u504f\u79fb\u91cf\uff0c\u4e22\u5f03\u79ef\u538b\u7684\u65e7\u6d88\u606f\uff1a<\/p>\n
 # \u5c06\u6d88\u8d39\u7ec4\u504f\u79fb\u91cf\u91cd\u7f6e\u5230\u6700\u65b0\uff08\u4e22\u5f03\u79ef\u538b\uff09\nkafka-consumer-groups.sh --bootstrap-server localhost:9092 \\\n  --group order-group --reset-offsets --to-latest --execute\n\n # \u91cd\u7f6e\u5230\u6700\u65e9\uff08\u91cd\u65b0\u6d88\u8d39\u5168\u90e8\u5386\u53f2\uff09\nkafka-consumer-groups.sh --bootstrap-server localhost:9092 \\\n  --group order-group --reset-offsets --to-earliest --execute<\/pre>\n
\u91cd\u7f6e\u504f\u79fb\u91cf\u662f\u9ad8\u98ce\u9669\u64cd\u4f5c\uff0c\u4f1a\u6539\u53d8\u6d88\u8d39\u4f4d\u7f6e\uff0c\u52a1\u5fc5\u5728\u4e1a\u52a1\u4f4e\u5cf0\u671f\u6267\u884c\uff0c\u5e76\u786e\u8ba4\u4e0b\u6e38\u80fd\u627f\u53d7\u91cd\u65b0\u6d88\u8d39\u5e26\u6765\u7684\u91cd\u590d\u5199\u5165\u3002\u82e5\u79ef\u538b\u6d88\u606f\u4ecd\u9700\u5904\u7406\u4f46\u4e0b\u6e38\u625b\u4e0d\u4f4f\uff0c\u53ef\u8003\u8651\u5148\u843d\u76d8\u5230\u4e34\u65f6\u5b58\u50a8\u518d\u5f02\u6b65\u56de\u653e\uff0c\u907f\u514d\u76f4\u63a5\u51b2\u51fb\u6570\u636e\u5e93\u3002\u8fd9\u7c7b”\u5148\u7f13\u5b58\u3001\u518d\u56de\u653e”\u7684\u601d\u8def\u4e0e\u7f13\u5b58\u6301\u4e45\u5316\u4e0e\u6062\u590d<\/a>\u7684\u53d6\u820d\u7c7b\u4f3c\uff0c\u6838\u5fc3\u90fd\u662f\u628a\u5cf0\u503c\u538b\u529b\u5e73\u6ed1\u6389\u3002<\/p>\n
\u4e03\u3001\u957f\u671f\u6cbb\u7406\uff1a\u4ece\u76d1\u63a7\u5230\u5bb9\u91cf\u89c4\u5212<\/h2>\n
Lag \u6cbb\u7406\u4e0d\u662f\u4e00\u6b21\u6027\u52a8\u4f5c\uff0c\u800c\u662f\u6301\u7eed\u7684\u8fc7\u7a0b\u3002\u5efa\u8bae\u5efa\u7acb\u4e09\u5c42\u9632\u7ebf\uff1a\u7b2c\u4e00\u5c42\u662f Lag \u6307\u6807\u544a\u8b66\uff0c\u7b2c\u4e8c\u5c42\u662f\u518d\u5e73\u8861\u4e8b\u4ef6\u76d1\u63a7\uff0c\u7b2c\u4e09\u5c42\u662f\u5bb9\u91cf\u89c4\u5212\u3002\u5bb9\u91cf\u89c4\u5212\u8981\u7ed3\u5408\u751f\u4ea7\u5cf0\u503c\uff0c\u4f30\u7b97\u6d88\u8d39\u7aef\u9700\u8981\u7684\u5b9e\u4f8b\u6570\u548c\u5206\u533a\u6570\uff0c\u907f\u514d\u5728\u6d41\u91cf\u9ad8\u5cf0\u624d\u4e34\u65f6\u6269\u5bb9\u3002<\/p>\n
\u540c\u65f6\u8981\u5173\u6ce8\u6d88\u606f\u7684\u4fdd\u7559\u7b56\u7565\u4e0e\u6570\u636e\u7ef4\u62a4\u3002Kafka \u7684\u65e5\u5fd7\u6e05\u7406\uff08Log Compaction\uff09\u548c\u6bb5\u6587\u4ef6\u7ba1\u7406\uff0c\u4e0e\u6570\u636e\u5e93\u81a8\u80c0\u6cbb\u7406<\/a>\u6709\u76f8\u901a\u4e4b\u5904\uff1a\u5b9a\u671f\u6e05\u7406\u65e0\u6548\u6570\u636e\u3001\u63a7\u5236\u5b58\u50a8\u81a8\u80c0\uff0c\u80fd\u51cf\u5c11\u5206\u533a\u626b\u63cf\u5f00\u9500\uff0c\u95f4\u63a5\u964d\u4f4e\u6d88\u8d39\u5ef6\u8fdf\u3002\u5408\u7406\u8bbe\u7f6e retention.ms \u548c segment.ms\uff0c\u8ba9\u65e7\u6570\u636e\u53ca\u65f6\u6e05\u7406\uff0c\u907f\u514d\u5206\u533a\u6587\u4ef6\u8fc7\u5927\u62d6\u6162\u6d88\u8d39\u3002<\/p>\n
\u516b\u3001\u603b\u7ed3\u4e0e\u884c\u52a8\u5efa\u8bae<\/h2>\n
Kafka \u6d88\u8d39\u5ef6\u8fdf\u6cbb\u7406\u7684\u5173\u952e\uff0c\u662f\u628a Lag \u5f53\u4f5c\u7b2c\u4e00\u76d1\u63a7\u6307\u6807\uff0c\u7528\u547d\u4ee4\u548c JMX \u6307\u6807\u6301\u7eed\u89c2\u6d4b\uff1b\u79ef\u538b\u65f6\u6309\u6392\u67e5\u8868\u5b9a\u4f4d\u6839\u56e0\uff0c\u800c\u4e0d\u662f\u76f2\u76ee\u8c03\u53c2\uff1b\u518d\u5e73\u8861\u98ce\u66b4\u5219\u901a\u8fc7\u8c03\u6574 session\u3001heartbeat\u3001poll \u53c2\u6570\uff0c\u4ee5\u53ca\u542f\u7528\u9759\u6001\u6210\u5458\u6765\u6cbb\u7406\u3002\u5efa\u8bae\u4f60\u5148\u4ece\u642d\u5efa Lag \u544a\u8b66\u5f00\u59cb\uff0c\u518d\u9010\u6b65\u5b8c\u5584\u518d\u5e73\u8861\u76d1\u63a7\u548c\u5bb9\u91cf\u89c4\u5212\u3002<\/p>\n
\u5982\u679c\u4f60\u5728\u81ea\u5efa Kafka \u96c6\u7fa4\u65f6\u9047\u5230[\u670d\u52a1\u5668\u6027\u80fd](https:\/\/cn.hostease.com\/blog\/server\/)\u6216\u7f51\u7edc\u74f6\u9888\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528 Hostease \u7684\u9ad8\u6027\u80fd VPS \u6216\u72ec\u7acb\u670d\u52a1\u5668\u627f\u8f7d\u96c6\u7fa4\uff08\u4ef7\u683c\u4ee5\u5b98\u7f51\u5b9e\u65f6\u62a5\u4ef7\u4e3a\u51c6\uff0c\u622a\u81f3 2026 \u5e74 8 \u6708\uff09\uff0c\u914d\u5408\u5408\u7406\u7684\u5206\u533a\u4e0e\u6d88\u8d39\u8005\u8bbe\u8ba1\uff0c\u8ba9\u6d88\u8d39\u5ef6\u8fdf\u6cbb\u7406\u5efa\u7acb\u5728\u7a33\u5b9a\u7684\u57fa\u7840\u8bbe\u65bd\u4e4b\u4e0a\u3002\u5148\u628a Lag \u76d1\u63a7\u8dd1\u8d77\u6765\uff0c\u518d\u8c08\u4f18\u5316\uff0c\u8fd9\u662f\u6700\u7a33\u59a5\u7684\u8d77\u70b9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4ece Kafka Lag \u6307\u6807\u51fa\u53d1\uff0c\u8bb2\u89e3\u6d88\u8d39\u5ef6\u8fdf\u7684\u76d1\u63a7\u547d\u4ee4\u3001\u5e38\u89c1\u539f\u56e0\u6392\u67e5\u8868\uff0c\u4ee5\u53ca\u5206\u533a\u518d\u5e73\u8861\u7684\u89e6\u53d1\u673a\u5236\u4e0e\u6cbb\u7406\u65b9\u6cd5\u3002<\/p>\n","protected":false},"author":2,"featured_media":32723,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3822],"tags":[4890,4889,4891,4893,4892],"class_list":["post-32726","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-guides","tag-kafkalag","tag-kafka","tag-4891","tag-4893","tag-4892"],"aioseo_notices":[],"jetpack_featured_media_url":"https:\/\/cn.hostease.com\/blog\/wp-content\/uploads\/2026\/08\/kafka-lag-cover.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32726","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=32726"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32726\/revisions"}],"predecessor-version":[{"id":32727,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/32726\/revisions\/32727"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media\/32723"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=32726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=32726"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=32726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}