{"id":83,"date":"2023-10-17T13:01:34","date_gmt":"2023-10-17T05:01:34","guid":{"rendered":"https:\/\/bbstone.cn\/?p=83"},"modified":"2025-10-15T17:19:12","modified_gmt":"2025-10-15T09:19:12","slug":"java%e5%a4%a7%e9%87%8f%e6%96%87%e4%bb%b6%e4%bc%a0%e8%be%93%ef%bc%88netty%e5%ba%94%e7%94%a8%e4%ba%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/bbstone.cn\/?p=83","title":{"rendered":"Java\u5927\u91cf\u6587\u4ef6\u4f20\u8f93\uff08Netty\u5e94\u7528\u4e8c\uff09"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u524d\u8a00<\/h2>\n\n\n\n<p>\u5728Netty\u5e94\u7528\u4e00 \u5927\u6587\u4ef6\u4f20\u8f93\u90a3\u7bc7\u6587\u7ae0\u548c\u4e4b\u524d\u7684<a href=\"https:\/\/links.jianshu.com\/go?to=https%3A%2F%2Fwww.bbstone.cn%2F%3Fp%3D12\" target=\"_blank\" rel=\"noreferrer noopener\">demo<\/a>\uff08<a href=\"https:\/\/links.jianshu.com\/go?to=https%3A%2F%2Fgitee.com%2Fbbstone101%2Fpisces.git\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/gitee.com\/bbstone101\/pisces.git<\/a>\uff09\u80fd\u591f\u4f20\u8f93\u5355\u4e2a\u51e0G\u7684\u6587\u4ef6\uff0c\u4f46\u662f\uff0c\u4e00\u65e6\u9047\u5230\u4f20\u8f93\u7684\u6587\u4ef6\u6570\u91cf\u591a\uff08\u6bd4\u5982\uff0c\u8d85\u8fc7\u4e00\u4e07\uff09\uff0c\u5c31\u4f1a\u51fa\u73b0\u670d\u52a1\u5668\u7aef\u5361\u6b7b\u95ee\u9898\u3002\u4e3b\u8981\u539f\u56e0\u662f\uff0c\u4f7f\u7528FileRegion\u6a21\u5f0f\u548cChunkedFile\u6a21\u5f0f\u4f20\u8f93\u6587\u4ef6\uff0cserver\u7aef\u4f1a\u4e3b\u52a8\u8bfb\u53d6\u53d1\u9001\u6587\u4ef6\u5230\u7f51\u7edc\u7ba1\u9053\uff0c\u4e00\u65e6client\u7aef\u63a5\u6536\u548c\u5b58\u50a8\u901f\u5ea6\u8ddf\u4e0d\u4e0a\uff0c\u5c31\u4f1a\u5bfc\u81f4server\u7aef\u6570\u636e\u5806\u79ef\uff0c\u5360\u7528\u670d\u52a1\u5668\u8d44\u6e90\u3002<\/p>\n\n\n\n<p>\u672c\u7bc7\u57fa\u4e8eNetty\u5e94\u7528\u4e00\u5b58\u5728\u7684\u95ee\u9898\u548c\u6587\u4ef6\u5907\u4efd\u5b9e\u9645\u60c5\u51b5\uff0c\u5373\uff0c\u5c0f\u6587\u4ef6\u591a\uff0c\u4e14\u6587\u4ef6\u4e0d\u8fc7\u8d85\u8fc71G\uff0c\u8d85\u8fc710G\u7684\u66f4\u662f\u5c11\u3002\u8bbe\u8ba1\u4e86pisces2-m\u57fa\u4e8eLengthFieldBasedFrameDecoder\u81ea\u5b9a\u4e49\u6587\u4ef6\u4f20\u8f93\u534f\u8bae\uff0c\u7a0b\u5e8f\u7531client\u7aef\u6765\u89e6\u53d1\u548c\u63a7\u5236\u6587\u4ef6\u53d1\u9001\uff08\u62c9\u53d6\/\u4e0b\u8f7d\uff09\u7684\u9891\u7387\uff0c\u8fd9\u6837\u8bbe\u8ba1\u66f4\u5207\u5408\u5b9e\u9645\u3002<\/p>\n\n\n\n<p>\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u8fd9\u4e24\u79cd\u901a\u4fe1\u63a7\u5236\u6a21\u5f0f\uff0c\u4e0eMQ\u7684\u6d88\u606f\u7684 \u63a8\/\u62c9 \u6a21\u5f0f\u76f8\u50cf\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Netty\u5e94\u7528\u4e00\uff0c\u662f\u7531\u670d\u52a1\u5668\u4e3b\u52a8\u63a8\u9001\u6587\u4ef6\u6570\u636e\uff0c\u5ba2\u6237\u7aef\u63a5\u6536\uff1b<\/li>\n\n\n\n<li>Netty\u5e94\u7528\u4e8c\uff0c\u662f\u7531\u5ba2\u6237\u7aef\u4e3b\u52a8\u53bb\u670d\u52a1\u5668\u62c9\u53d6\u6587\u4ef6\u4fe1\u606f\u548c\u6587\u4ef6\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u9879\u76ee\u4ee3\u7801\uff1a<a href=\"https:\/\/links.jianshu.com\/go?to=https%3A%2F%2Fgitee.com%2Fbbstone101%2Fpisces2-m.git\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/gitee.com\/bbstone101\/pisces2-m.git<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u67b6\u6784\u8bbe\u8ba1<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1580\" height=\"900\" src=\"https:\/\/bbstone.cn\/wp-content\/uploads\/2023\/10\/architect.png\" alt=\"\" class=\"wp-image-84\"\/><\/figure>\n\n\n\n<p>ChunkSlicer: server\u7aef\u5c06\u6587\u4ef6\u5207\u5206\u6210\u4e00\u4e2a\u4e2achunk\u6570\u636e\u5757\u53d1\u9001\u7ed9client\u3002server\u76f4\u63a5\u4eceFileInputStream\u4e00\u4e2a\u4e2achunk\u8bfb\u53d6\u6570\u636e\uff0c\u7136\u540e\u6784\u9020\u54cd\u5e94buildRsp\u53d1\u9001\u7ed9client\u3002<\/p>\n\n\n\n<p>RecvBuffer: client\u7aef\u63a5\u6536\u5230chunk\u6570\u636e\u540e\uff0c\u5148\u7f13\u5b58\u8d77\u6765\uff0c\u9ed8\u8ba4\u7f13\u5b58\u5927\u5c0f\uff1a32 * 1024 * 1024 = 32M<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8bf7\u6c42\u2013\u54cd\u5e94\u5904\u7406\u6d41\u7a0b<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1174\" height=\"1460\" src=\"https:\/\/bbstone.cn\/wp-content\/uploads\/2023\/10\/seqchart2.png\" alt=\"\" class=\"wp-image-85\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u901a\u4fe1\u534f\u8bae<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8bf7\u6c42\u534f\u8bae<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\u534f\u8bae\u5b9a\u4e49\uff1a<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2054\" height=\"582\" src=\"https:\/\/bbstone.cn\/wp-content\/uploads\/2023\/10\/req_proto.png\" alt=\"\" class=\"wp-image-86\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u83b7\u53d6\u6587\u4ef6\u5217\u8868\u7d22\u5f15\u4fe1\u606f\u548c\u6570\u636e\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>REQ_LIST_INFO\uff1a\u5ba2\u6237\u7aef\u8bf7\u6c42\u83b7\u53d6fileNo=0\u7684fli.idx\u6587\u4ef6\u4fe1\u606f\uff08\u6587\u4ef6checksum\uff0cchunks\u6570\u7b49\uff09\u3002<\/li>\n\n\n\n<li>REQ_LIST_DATA\uff1a\u5ba2\u6237\u7aef\u8bf7\u6c42\u83b7\u53d6fileNo=0\u7684fli.idx\u6587\u4ef6\u6570\u636e\u3002<\/li>\n\n\n\n<li>REQ_LIST_INFO_ACK\uff1a\u5ba2\u6237\u7aef\u786e\u8ba4\u5df2\u7ecf\u63a5\u6536fli.idx\u6587\u4ef6\u4fe1\u606f\u3002<\/li>\n\n\n\n<li>REQ_LIST_DATA_ACK\uff1a\u5ba2\u6237\u7aef\u786e\u8ba4\u5df2\u7ecf\u63a5\u6536fli.idx\u6587\u4ef6chunk\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u83b7\u53d6\u6587\u4ef6\u5217\u8868\u7d22\u5f15\u4e2d\u6587\u4ef6\u7684\u4fe1\u606f\u548c\u6570\u636e\uff1a<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>REQ_FILE_INFO\uff1a\u5ba2\u6237\u7aef\u8bf7\u6c42\u83b7\u53d6fileNo=n\u7684\u6587\u4ef6\u4fe1\u606f<\/li>\n\n\n\n<li>REQ_FILE_DATA\u5ba2\u6237\u7aef\u8bf7\u6c42\u83b7\u53d6fileNo=n\u7684\u6587\u4ef6\u6570\u636e\u3002<\/li>\n\n\n\n<li>REQ_FILE_INFO_ACK\uff1a\u5ba2\u6237\u7aef\u786e\u8ba4\u5df2\u7ecf\u63a5\u6536\u6587\u4ef6\u4fe1\u606f\u3002<\/li>\n\n\n\n<li>REQ_FILE_DATA_ACK\uff1a\u5ba2\u6237\u7aef\u786e\u8ba4\u5df2\u7ecf\u63a5\u6536\u6587\u4ef6chunk\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">LengthFieldBasedFrameDecoder\u53c2\u6570\u548c\u8bf4\u660e\uff1a<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1844\" height=\"544\" src=\"https:\/\/bbstone.cn\/wp-content\/uploads\/2023\/10\/req_len_field.png\" alt=\"\" class=\"wp-image-90\"\/><\/figure>\n\n\n\n<p>\u8bf7\u6c42\u6d88\u606f\u7684\u6700\u5927\u5e27\u957f\u5ea6\u662f1MB\uff0c\u8bf7\u6c42\u6d88\u606f\u5927\u591a\u6570\u6ca1\u6709\u8bf7\u6c42\u4f53\u6216\u8bf7\u6c42\u4f53\u4e3a\u7a7a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u54cd\u5e94\u534f\u8bae<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u534f\u8bae\u5b9a\u4e49\uff1a<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"2460\" height=\"406\" src=\"https:\/\/bbstone.cn\/wp-content\/uploads\/2023\/10\/rsp_proto.png\" alt=\"\" class=\"wp-image-91\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u670d\u52a1\u5668\u54cd\u5e94\u5217\u8868\u7d22\u5f15\u6587\u4ef6\u4fe1\u606f\u548c\u6570\u636e\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RSP_LIST_INFO\uff1a\u54cd\u5e94\u5217\u8868\u4fe1\u606f\uff08\u5305\u62ecchunks\u548c\u6587\u4ef6checksum\uff09<\/li>\n\n\n\n<li>RSP_LIST_DATA\uff1a\u54cd\u5e94\u5217\u8868\u6587\u4ef6\u6570\u636e\uff0cchunkNo\uff0cbody\u7684checksum\uff0c\u6587\u4ef6\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u670d\u52a1\u5668\u54cd\u5e94\u5217\u8868\u7d22\u5f15\u6587\u4ef6\u91cc\u7684\u6587\u4ef6\u4fe1\u606f\u548c\u6570\u636e\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RSP_FILE_INFO\uff1a\u54cd\u5e94\u6587\u4ef6\u4fe1\u606f\uff08\u5305\u62ecchunks\u548c\u6587\u4ef6checksum\uff09<\/li>\n\n\n\n<li>RSP_FILE_DATA\uff1a\u54cd\u5e94\u6587\u4ef6\u6570\u636e\uff0cchunkNo\uff0cbody\u7684checksum\uff0c\u6587\u4ef6\u6570\u636e<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">LengthFieldBasedFrameDecoder\u53c2\u6570\u548c\u8bf4\u660e\uff1a<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1904\" height=\"364\" src=\"https:\/\/bbstone.cn\/wp-content\/uploads\/2023\/10\/rsp_len_field.png\" alt=\"\" class=\"wp-image-87\"\/><\/figure>\n\n\n\n<p>\u54cd\u5e94\u6d88\u606f\u6700\u5927\u5e27\u5927\u5c0f\u662f12MB\uff0c\u54cd\u5e94\u6d88\u606f\u4e3b\u8981\u662f\u54cd\u5e94\u6587\u4ef6\u4fe1\u606f\u548c\u6570\u636e\uff0c\u5176\u4e2d\u6587\u4ef6\u6570\u636e\u662fbody\u4e3b\u8981\u5185\u5bb9\uff0c\u4e3a\u52a0\u5feb\u6587\u4ef6\u4eceserver\u4f20\u7ed9client\uff0c\u9700\u8981\u9002\u5f53\u8c03\u6574\u54cd\u5e94\u6d88\u606f\u7684\u6700\u5927\u5e27\u5927\u5c0f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u540e\u8bed<\/h2>\n\n\n\n<p>\u76ee\u524d\u80fd\u591f\u5728\u5c40\u57df\u7f51\u6b63\u786e\u4f20\u8f9330\u4e07\u5de6\u53f3\u7684\u6587\u4ef6\uff0c\u4f46\u662f\u8017\u65f6\u4e5f\u8f83\u957f\u3002<\/p>\n\n\n\n<p>\u53ef\u4ee5\u8003\u8651\u5f00\u591a\u4e2aclient\u6765\u6d88\u8d39fli.idx\u4e2d\u7684\u6587\u4ef6\u5217\u8868\u4f20\u8f93\u4efb\u52a1\u6765\u63d0\u9ad8\u6587\u4ef6\u4f20\u8f93\u6548\u7387\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">TODO:<\/h3>\n\n\n\n<p>1\uff09\u540c\u65f6\u542f\u52a8\u591a\u4e2a\u5ba2\u6237\u7aef\u8fde\u670d\u52a1\u5668\u4e0b\u8f7d\uff08\u8bf7\u6c42\uff09\u6587\u4ef6<\/p>\n\n\n\n<p>2\uff09\u5ba2\u6237\u7aef\u5e76\u53d1\u8bfb\u53d6\u548c\u6d88\u8d39fli.idx\u5217\u8868\u4efb\u52a1\u7ba1\u7406\u5668\u8bbe\u8ba1\u548c\u5f00\u53d1<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8865\u5145\uff1a\u591a\u5ba2\u6237\u7aef\u4e0e\u5355\u5ba2\u6237\u7aef\u6027\u80fd\u5bf9\u6bd4<\/h2>\n\n\n\n<p>\u66f4\u65b0\u65e5\u671f\uff1a20220621<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1500\" height=\"266\" src=\"https:\/\/bbstone.cn\/wp-content\/uploads\/2023\/10\/perf.webp\" alt=\"\" class=\"wp-image-88\"\/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u7ed3\u8bba\uff1a<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ee5\u4e0a\u6d4b\u8bd5\u4e24\u4e2a\u7248\u672c\u7686\u4e3a\u5355\u670d\u52a1\u7aef\uff0c\u5176\u4e2d\u5355\u5ba2\u6237\u7aef\u63a5\u653640w+\u6587\u4ef6\u8017\u65f6\uff0c\u662f\u540c\u6761\u4ef6\u4e0b10\u4e2a\u5ba2\u6237\u7aef\u8017\u65f6\u768410\u500d\u591a\u3002<\/li>\n\n\n\n<li>\u53e6\u5916\uff0c\u4ece\u521d\u6b65\u6027\u80fd\u6d4b\u8bd5\u7ed3\u679c\u770b\uff0c\u4e0d\u80fd\u786e\u5b9a\u5ba2\u6237\u673a\u542f\u52a810\u4e2a\u5ba2\u6237\u7aef\u63a5\u6536\u6570\u636e\u5df2\u89e6\u53ca\u5230\u5ba2\u6237\u673a\u7684\u78c1\u76d8IO\u6216CPU\u8d1f\u8f7d\u7684\u6781\u9650\u3002\u5373\uff0c\u589e\u5927\u5ba2\u6237\u7aef\u4e2a\u6570\uff0c\u8fd8\u6709\u53ef\u80fd\u63d0\u5347\u6027\u80fd\u3002<\/li>\n<\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u6700\u65e9\u53d1\u5e03\u4e8e&nbsp;\uff1a2022.09.30 09:28:36<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u7bc7\u57fa\u4e8eNetty\u5e94\u7528\u4e00\u5b58\u5728\u7684\u95ee\u9898\u548c\u6587\u4ef6\u5907\u4efd\u5b9e\u9645\u60c5\u51b5\uff0c\u5373\uff0c\u5c0f\u6587\u4ef6\u591a\uff0c\u4e14\u6587\u4ef6\u4e0d\u8fc7\u8d85\u8fc71G\uff0c\u8d85\u8fc710G\u7684\u66f4\u662f\u5c11\u3002\u8bbe\u8ba1\u4e86pisces2-m\u57fa\u4e8eLengthFieldBasedFrameDecoder\u81ea\u5b9a\u4e49\u6587\u4ef6\u4f20\u8f93\u534f\u8bae\uff0c\u7a0b\u5e8f\u7531client\u7aef\u6765\u89e6\u53d1\u548c\u63a7\u5236\u6587\u4ef6\u53d1\u9001\u7684\u9891\u7387\uff0c\u8fd9\u6837\u8bbe\u8ba1\u66f4\u5207\u5408\u5b9e\u9645\u3002<\/p>\n","protected":false},"author":1,"featured_media":238,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,7],"tags":[14],"class_list":["post-83","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-11","category-7","tag-14"],"jetpack_featured_media_url":"https:\/\/bbstone.cn\/wp-content\/uploads\/2023\/10\/368a32b3e1894e74b13d28026ecc37c7.png","_links":{"self":[{"href":"https:\/\/bbstone.cn\/index.php?rest_route=\/wp\/v2\/posts\/83","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bbstone.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bbstone.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bbstone.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bbstone.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=83"}],"version-history":[{"count":6,"href":"https:\/\/bbstone.cn\/index.php?rest_route=\/wp\/v2\/posts\/83\/revisions"}],"predecessor-version":[{"id":563,"href":"https:\/\/bbstone.cn\/index.php?rest_route=\/wp\/v2\/posts\/83\/revisions\/563"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bbstone.cn\/index.php?rest_route=\/wp\/v2\/media\/238"}],"wp:attachment":[{"href":"https:\/\/bbstone.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=83"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bbstone.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=83"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bbstone.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=83"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}