{"id":37996,"date":"2025-05-19T13:30:59","date_gmt":"2025-05-19T05:30:59","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/37996.html"},"modified":"2025-05-19T13:30:59","modified_gmt":"2025-05-19T05:30:59","slug":"%e3%80%90rocketmq-broker-%e7%9b%b8%e5%85%b3%e6%ba%90%e7%a0%81%e3%80%91-%e6%b8%85%e9%99%a4%e4%b8%8d%e6%b4%bb%e8%b7%83%e7%9a%84%e7%94%9f%e4%ba%a7%e8%80%85%e3%80%81%e6%b6%88%e8%b4%b9%e8%80%85%e3%80%81","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/37996.html","title":{"rendered":"\u3010RocketMQ Broker \u76f8\u5173\u6e90\u7801\u3011- \u6e05\u9664\u4e0d\u6d3b\u8dc3\u7684\u751f\u4ea7\u8005\u3001\u6d88\u8d39\u8005\u3001\u8fc7\u6ee4\u670d\u52a1\u5668\u8fde\u63a5"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>1. \u524d\u8a00<\/li>\n<li>2. \u5ba2\u6237\u7aef\u5fc3\u8df3\u68c0\u6d4b\u670d\u52a1<\/li>\n<li>3. scanExceptionChannel \u626b\u63cf\u4e0d\u6d3b\u8dc3\u7684\u8fde\u63a5<\/li>\n<li>\n<ul>\n<li>3.1 ProducerManager#scanNotActiveChannel<\/li>\n<li>3.2 ConsumerManager#scanNotActiveChannel<\/li>\n<li>3.3 FilterServerManager#scanNotActiveChannel<\/li>\n<\/ul>\n<\/li>\n<li>4. \u5c0f\u7ed3<\/li>\n<\/ul>\n<hr \/>\n<p>\u672c\u6587\u7ae0\u57fa\u4e8e RocketMQ 4.9.3<\/p>\n<h2>1. \u524d\u8a00<\/h2>\n<ul>\n<li>\u3010RocketMQ\u3011- \u6e90\u7801\u7cfb\u5217\u76ee\u5f55<\/li>\n<li>\u3010RocketMQ Broker \u76f8\u5173\u6e90\u7801\u3011- \u6e05\u9664\u4e0d\u6d3b\u8dc3\u7684 broker<\/li>\n<\/ul>\n<p>\u4e0a\u4e00\u7bc7\u6587\u7ae0\u6211\u4eec\u63a2\u7a76\u4e86 NameServer \u662f\u5982\u4f55\u6e05\u9664\u4e0d\u6d3b\u8dc3\u7684 broker&#xff0c;\u800c\u8fd9\u7bc7\u6587\u7ae0\u6211\u4eec\u4e5f\u6765\u770b\u4e0b broker \u662f\u5982\u4f55\u6e05\u9664\u4e0d\u6d3b\u8dc3\u7684\u751f\u4ea7\u8005\u3001\u6d88\u8d39\u8005\u3001\u8fc7\u6ee4\u670d\u52a1\u5668\u8fde\u63a5\u3002<\/p>\n<h2>2. \u5ba2\u6237\u7aef\u5fc3\u8df3\u68c0\u6d4b\u670d\u52a1<\/h2>\n<p>\u5728 broker#start \u65b9\u6cd5\u542f\u52a8 broker \u7684\u65f6\u5019\u4f1a\u542f\u52a8\u5ba2\u6237\u7aef\u5fc3\u8df3\u68c0\u6d4b\u5b9a\u65f6\u4efb\u52a1&#xff0c;\u8fd9\u4e2a\u4efb\u52a1\u4f1a\u5728\u542f\u52a8 10s \u4e4b\u540e\u6267\u884c&#xff0c;\u6bcf\u9694 10s \u6267\u884c\u4e00\u6b21\u3002<img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250519053058-682ac2124cef5.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> \u5728 start \u65b9\u6cd5\u4e2d\u4f1a\u8c03\u7528 scanExceptionChannel \u53bb\u626b\u63cf\u8fc7\u671f\u7684\u8fde\u63a5&#xff0c;\u8fd9\u4e2a\u8fde\u63a5\u91cc\u9762\u5305\u62ec\u751f\u4ea7\u8005\u8fde\u63a5\u3001\u6d88\u8d39\u8005\u8fde\u63a5\u548c\u8fc7\u6ee4\u670d\u52a1\u5668\u8fde\u63a5&#xff0c;\u4e4b\u524d broker \u542f\u52a8\u7684\u6587\u7ae0\u6211\u4eec\u4e5f\u5206\u6790\u8fc7\u4e86&#xff0c;\u8fd9\u4e2a\u7248\u672c\u4e0b\u8fc7\u6ee4\u670d\u52a1\u5668\u5e94\u8be5\u662f\u4e0d\u518d\u7528\u4e86&#xff0c;\u800c\u4e14\u5728 5.0.0 \u4e4b\u540e\u8fd9\u4e2a\u8fc7\u6ee4\u670d\u52a1\u4e5f\u4f1a\u4ece RocketMQ \u4e2d\u5220\u6389&#xff0c;\u63a8\u8350\u7528 TAG \u8fc7\u6ee4\u548c SQL92 \u8fc7\u6ee4\u3002<\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u542f\u52a8 10s \u4e4b\u540e\u6267\u884c&#xff0c;\u6bcf\u9694 10s \u6267\u884c\u4e00\u6b21<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>scheduledExecutorService<span class=\"token punctuation\">.<\/span><span class=\"token function\">scheduleAtFixedRate<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Runnable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n        <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u626b\u63cf\u8fc7\u671f\u7684\u8fde\u63a5<\/span><br \/>\n                <span class=\"token class-name\">ClientHousekeepingService<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">scanExceptionChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Throwable<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                log<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Error occurred when scan not active client channels.&#034;<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">1000<\/span> <span class=\"token operator\">*<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">TimeUnit<\/span><span class=\"token punctuation\">.<\/span>MILLISECONDS<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u626b\u63cf\u51fa\u4e0d\u6d3b\u8dc3\u7684\u8fde\u63a5<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">scanExceptionChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u751f\u4ea7\u8005\u8fde\u63a5<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>brokerController<span class=\"token punctuation\">.<\/span><span class=\"token function\">getProducerManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">scanNotActiveChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u6d88\u8d39\u8005\u8fde\u63a5<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>brokerController<span class=\"token punctuation\">.<\/span><span class=\"token function\">getConsumerManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">scanNotActiveChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8fc7\u6ee4\u670d\u52a1\u5668\u8fde\u63a5<\/span><br \/>\n    <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>brokerController<span class=\"token punctuation\">.<\/span><span class=\"token function\">getFilterServerManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">scanNotActiveChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>3. scanExceptionChannel \u626b\u63cf\u4e0d\u6d3b\u8dc3\u7684\u8fde\u63a5<\/h2>\n<h3>3.1 ProducerManager#scanNotActiveChannel<\/h3>\n<p>\u8fd9\u4e2a\u65b9\u6cd5\u5c31\u662f\u626b\u63cf\u751f\u4ea7\u8005\u7684\u975e\u6d3b\u8dc3\u8fde\u63a5&#xff0c;\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005\u542f\u52a8\u7684\u65f6\u5019\u4f1a\u901a\u8fc7\u5b9a\u65f6\u4efb\u52a1\u6bcf\u9694 30s \u4e0a\u62a5\u4e00\u6b21\u5fc3\u8df3\u4fe1\u606f\u3002\u800c\u7531\u4e8e\u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005\u90fd\u6709\u7ec4\u7684\u6982\u5ff5&#xff0c;\u6240\u4ee5 broker \u5b58\u50a8\u8fde\u63a5\u901a\u9053\u4f1a\u4f7f\u7528 Map \u5b58\u50a8&#xff0c;key \u5c31\u662f\u751f\u4ea7\u8005\u7ec4&#xff0c;value \u5c31\u662f\u8fd9\u4e2a\u6d88\u8d39\u8005\u7ec4\u4e0b\u9762\u7684\u6240\u6709\u751f\u4ea7\u8005\u3002<\/p>\n<p>scanNotActiveChannel \u7684\u903b\u8f91\u5c31\u662f\u626b\u63cf\u6240\u6709\u7684\u751f\u4ea7\u8005\u7ec4\u4e0b\u9762\u7684\u751f\u4ea7\u8005&#xff0c;\u7136\u540e\u5224\u65ad\u5982\u679c\u5f53\u524d\u8ddd\u79bb\u4e0a\u4e00\u6b21\u4e0a\u62a5\u5fc3\u8df3\u4fe1\u606f\u5df2\u7ecf\u8d85\u8fc7\u4e86 120s&#xff0c;\u8bf4\u660e\u662f\u4e00\u4e2a\u4e0d\u6d3b\u8dc3\u7684\u8fde\u63a5&#xff0c;\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f1a\u5173\u95ed\u8fd9\u4e2a\u8fde\u63a5\u7684\u901a\u9053&#xff0c;\u7136\u540e\u5c06\u8fd9\u4e2a\u8fde\u63a5\u4ece groupChannelTable \u96c6\u5408\u4e2d\u5220\u6389\u3002 lastUpdateTimestamp \u8bb0\u5f55\u7684\u5c31\u662f\u4e0a\u4e00\u6b21\u4e0a\u62a5\u5fc3\u8df3\u7684\u4e8b\u4ef6\u3002<\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u626b\u63cf\u4e0d\u6d3b\u8dc3\u7684\u751f\u4ea7\u8005\u8fde\u63a5<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">scanNotActiveChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Map<span class=\"token punctuation\">.<\/span>Entry<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ConcurrentHashMap<\/span><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Channel<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ClientChannelInfo<\/span><span class=\"token punctuation\">&gt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> entry <span class=\"token operator\">:<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>groupChannelTable<br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">entrySet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u751f\u4ea7\u8005\u7ec4<\/span><br \/>\n        <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">String<\/span> group <span class=\"token operator\">&#061;<\/span> entry<span class=\"token punctuation\">.<\/span><span class=\"token function\">getKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u751f\u4ea7\u8005\u7ec4\u4e0b\u9762\u7684\u751f\u4ea7\u8005\u8fde\u63a5<\/span><br \/>\n        <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">ConcurrentHashMap<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Channel<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ClientChannelInfo<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> chlMap <span class=\"token operator\">&#061;<\/span> entry<span class=\"token punctuation\">.<\/span><span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u904d\u5386\u6240\u6709\u8fde\u63a5<\/span><br \/>\n        <span class=\"token class-name\">Iterator<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Entry<\/span><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Channel<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ClientChannelInfo<\/span><span class=\"token punctuation\">&gt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> it <span class=\"token operator\">&#061;<\/span> chlMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">entrySet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">iterator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>it<span class=\"token punctuation\">.<\/span><span class=\"token function\">hasNext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">Entry<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Channel<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ClientChannelInfo<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> item <span class=\"token operator\">&#061;<\/span> it<span class=\"token punctuation\">.<\/span><span class=\"token function\">next<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ final Integer id &#061; item.getKey();<\/span><br \/>\n            <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">ClientChannelInfo<\/span> info <span class=\"token operator\">&#061;<\/span> item<span class=\"token punctuation\">.<\/span><span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5982\u679c\u5f53\u524d\u8ddd\u79bb\u4e0a\u4e00\u6b21\u4e0a\u62a5\u5fc3\u8df3\u4e8b\u4ef6\u5df2\u7ecf\u8d85\u8fc7\u4e86 120s, \u8bf4\u660e\u662f\u4e00\u4e2a\u4e0d\u6d3b\u8dc3\u7684\u8fde\u63a5, \u751f\u4ea7\u8005\u548c\u6d88\u8d39\u8005\u4f1a\u6bcf\u9694 30s \u4e0a\u62a5\u4e00\u6b21\u5fc3\u8df3\u4fe1\u606f<\/span><br \/>\n            <span class=\"token keyword\">long<\/span> diff <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> info<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLastUpdateTimestamp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>diff <span class=\"token operator\">&gt;<\/span> CHANNEL_EXPIRED_TIMEOUT<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                it<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                clientChannelTable<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span>info<span class=\"token punctuation\">.<\/span><span class=\"token function\">getClientId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                log<span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                        <span class=\"token string\">&#034;SCAN: remove expired channel[{}] from ProducerManager groupChannelTable, producer group name: {}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token class-name\">RemotingHelper<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">parseChannelRemoteAddr<\/span><span class=\"token punctuation\">(<\/span>info<span class=\"token punctuation\">.<\/span><span class=\"token function\">getChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> group<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5173\u95ed\u8fde\u63a5<\/span><br \/>\n                <span class=\"token class-name\">RemotingUtil<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">closeChannel<\/span><span class=\"token punctuation\">(<\/span>info<span class=\"token punctuation\">.<\/span><span class=\"token function\">getChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3.2 ConsumerManager#scanNotActiveChannel<\/h3>\n<p><span class=\"token comment\">\/**<br \/>\n * \u626b\u63cf\u51fa\u975e\u6d3b\u8dc3\u7684\u6d88\u8d39\u8005\u8fde\u63a5<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">scanNotActiveChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u904d\u5386\u6240\u6709\u6d88\u8d39\u8005\u7ec4<\/span><br \/>\n    <span class=\"token class-name\">Iterator<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Entry<\/span><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ConsumerGroupInfo<\/span><span class=\"token punctuation\">&gt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> it <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>consumerTable<span class=\"token punctuation\">.<\/span><span class=\"token function\">entrySet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">iterator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>it<span class=\"token punctuation\">.<\/span><span class=\"token function\">hasNext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">Entry<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ConsumerGroupInfo<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> next <span class=\"token operator\">&#061;<\/span> it<span class=\"token punctuation\">.<\/span><span class=\"token function\">next<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6d88\u8d39\u8005\u7ec4<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> group <span class=\"token operator\">&#061;<\/span> next<span class=\"token punctuation\">.<\/span><span class=\"token function\">getKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6d88\u8d39\u8005\u7ec4\u4e0b\u9762\u7684\u6d88\u8d39\u8005\u8fde\u63a5\u96c6\u5408<\/span><br \/>\n        <span class=\"token class-name\">ConsumerGroupInfo<\/span> consumerGroupInfo <span class=\"token operator\">&#061;<\/span> next<span class=\"token punctuation\">.<\/span><span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">ConcurrentMap<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Channel<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ClientChannelInfo<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> channelInfoTable <span class=\"token operator\">&#061;<\/span><br \/>\n            consumerGroupInfo<span class=\"token punctuation\">.<\/span><span class=\"token function\">getChannelInfoTable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">Iterator<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Entry<\/span><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Channel<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ClientChannelInfo<\/span><span class=\"token punctuation\">&gt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> itChannel <span class=\"token operator\">&#061;<\/span> channelInfoTable<span class=\"token punctuation\">.<\/span><span class=\"token function\">entrySet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">iterator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u904d\u5386\u6240\u6709\u6d88\u8d39\u8005\u8fde\u63a5<\/span><br \/>\n        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>itChannel<span class=\"token punctuation\">.<\/span><span class=\"token function\">hasNext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u83b7\u53d6\u8fde\u63a5\u7684\u4fe1\u606f<\/span><br \/>\n            <span class=\"token class-name\">Entry<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Channel<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ClientChannelInfo<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> nextChannel <span class=\"token operator\">&#061;<\/span> itChannel<span class=\"token punctuation\">.<\/span><span class=\"token function\">next<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">ClientChannelInfo<\/span> clientChannelInfo <span class=\"token operator\">&#061;<\/span> nextChannel<span class=\"token punctuation\">.<\/span><span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5982\u679c\u8ddd\u79bb\u4e0a\u4e00\u6b21\u4e0a\u62a5\u5fc3\u8df3\u5df2\u7ecf\u8d85\u8fc7 120s, \u8bf4\u660e\u8fde\u63a5\u4e0d\u6d3b\u8dc3<\/span><br \/>\n            <span class=\"token keyword\">long<\/span> diff <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> clientChannelInfo<span class=\"token punctuation\">.<\/span><span class=\"token function\">getLastUpdateTimestamp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>diff <span class=\"token operator\">&gt;<\/span> CHANNEL_EXPIRED_TIMEOUT<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                log<span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                    <span class=\"token string\">&#034;SCAN: remove expired channel from ConsumerManager consumerTable. channel&#061;{}, consumerGroup&#061;{}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    <span class=\"token class-name\">RemotingHelper<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">parseChannelRemoteAddr<\/span><span class=\"token punctuation\">(<\/span>clientChannelInfo<span class=\"token punctuation\">.<\/span><span class=\"token function\">getChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> group<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u5173\u95ed\u8fde\u63a5, \u5c06\u8fd9\u4e2a\u8fde\u63a5\u4ece\u6d88\u8d39\u8005\u7ec4\u8fde\u63a5\u96c6\u5408\u4e2d\u5220\u6389<\/span><br \/>\n                <span class=\"token class-name\">RemotingUtil<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">closeChannel<\/span><span class=\"token punctuation\">(<\/span>clientChannelInfo<span class=\"token punctuation\">.<\/span><span class=\"token function\">getChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                itChannel<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5982\u679c\u8fd9\u4e2a\u6d88\u8d39\u8005\u7ec4\u8fde\u63a5\u90fd\u5220\u6389\u4e86, \u5c31\u628a\u8fd9\u4e2a\u6d88\u8d39\u8005\u7ec4\u4e5f\u5220\u6389<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>channelInfoTable<span class=\"token punctuation\">.<\/span><span class=\"token function\">isEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                <span class=\"token string\">&#034;SCAN: remove expired channel from ConsumerManager consumerTable, all clear, consumerGroup&#061;{}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                group<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            it<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fd9\u4e2a\u65b9\u6cd5\u8ddf\u4e0a\u9762\u751f\u4ea7\u8005\u7684\u5dee\u4e0d\u591a\u7684&#xff0c;\u90fd\u662f\u626b\u63cf\u6d88\u8d39\u8005\u8fde\u63a5&#xff0c;\u5982\u679c\u8fd9\u4e2a\u6d88\u8d39\u8005\u8ddd\u79bb\u4e0a\u4e00\u6b21\u4e0a\u62a5\u5fc3\u8df3\u5df2\u7ecf\u8d85\u8fc7 120s&#xff0c;\u8bf4\u660e\u8fde\u63a5\u4e0d\u6d3b\u8dc3&#xff0c;\u5c06\u8fd9\u4e2a\u8fde\u63a5\u5220\u6389&#xff0c;\u6d88\u8d39\u8005\u4e5f\u662f\u4e00\u6837 30s \u4e0a\u62a5\u4e00\u6b21\u5fc3\u8df3\u3002<\/p>\n<h3>3.3 FilterServerManager#scanNotActiveChannel<\/h3>\n<p><span class=\"token comment\">\/**<br \/>\n * \u626b\u63cf\u4e0d\u6d3b\u8dc3\u7684\u8fc7\u6ee4\u670d\u52a1\u8fde\u63a5<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">scanNotActiveChannel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u904d\u5386\u6240\u6709\u8fc7\u6ee4\u670d\u52a1\u8fde\u63a5<\/span><br \/>\n    <span class=\"token class-name\">Iterator<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Entry<\/span><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Channel<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">FilterServerInfo<\/span><span class=\"token punctuation\">&gt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> it <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>filterServerTable<span class=\"token punctuation\">.<\/span><span class=\"token function\">entrySet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">iterator<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>it<span class=\"token punctuation\">.<\/span><span class=\"token function\">hasNext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">Entry<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Channel<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">FilterServerInfo<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> next <span class=\"token operator\">&#061;<\/span> it<span class=\"token punctuation\">.<\/span><span class=\"token function\">next<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u4e0a\u4e00\u6b21\u4e0a\u62a5\u7684\u5fc3\u8df3\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> timestamp <span class=\"token operator\">&#061;<\/span> next<span class=\"token punctuation\">.<\/span><span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getLastUpdateTimestamp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Channel<\/span> channel <span class=\"token operator\">&#061;<\/span> next<span class=\"token punctuation\">.<\/span><span class=\"token function\">getKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5982\u679c\u8d85\u8fc7 30s \u6ca1\u6709\u4e0a\u62a5\u4fe1\u606f<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> timestamp<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> FILTER_SERVER_MAX_IDLE_TIME_MILLS<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5220\u9664\u5e76\u5173\u95ed\u8fde\u63a5<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;The Filter Server&lt;{}&gt; expired, remove it&#034;<\/span><span class=\"token punctuation\">,<\/span> next<span class=\"token punctuation\">.<\/span><span class=\"token function\">getKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            it<span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">RemotingUtil<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">closeChannel<\/span><span class=\"token punctuation\">(<\/span>channel<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token 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