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09:29:21',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64502,num:2,uid:874,content:'我们公司是做会议的，直播推流用阿里云再找个云服务商做备份，单一服务商遇到问题的时候哭都来不及。\u003Cbr\u003E\u003Cbr\u003Ews 是用的 netty',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 09:31:59',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64503,num:3,uid:5791,content:'用 J**a 21 虚拟线程同步处理一把梭，别想着那些啥响应式啥的异步啥的提高性能了。',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 09:47:25',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64504,num:4,uid:3082,content:'vertx 更好用',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 09:47:35',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64505,num:5,uid:3778,content:'vertx 底层就是 netty',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 09:51:04',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64506,num:6,uid:629,content:'虚拟线程吧，响应式编程复杂度太高了，甚至比切换 kotlin 的成本都高',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 10:14:02',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64507,num:7,uid:11395,content:'老老实实用 netty\u003Cbr\u003E大流量+响应式编程到时都不知道死哪里...',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 10:16:43',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64508,num:8,uid:279,content:'虚拟线程不推荐使用.\u003Cbr\u003E1: 虚拟线程的出现是减少 IO 的产生, 如果是非 IO 操作使用虚拟线程只会增加应用负担.\u003Cbr\u003E2: 虚拟线程是通过用户态上进行上下文切换减少内核态切换. 虚拟线程使用 Continuation 实现的, 这个是个对象, 也就是会占用内存. 当你操作越多, 内存占用也会疯涨. 原有平台线程 (Thread) 则是由物理资源 (系统资源) 限制, 而虚拟线程则没有这层限制, 操作不好容易导致 OOM.',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 10:18:31',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64509,num:9,uid:279,content:'就目前的 JDK-21-LTS 的虚拟线程还存在致命问题:\u003Cbr\u003E\u003Cbr\u003E- 在使用 synchronized 场景下会将虚拟线程 PIN 到平台线程 (锁在了某一个线程上)\u003Cbr\u003E这是由于当前对 synchronized 的实现需要直到锁当前持有的线程对象. 而虚拟线程是上层包装出来的, 所以必须强绑到某一个平台线程 (Thread) 上才能实现. 如果在 IO 操作下会基本和平台线程无异.\u003Cbr\u003E\u003Cbr\u003E- 在 Medium 中, Netflix 团队遇到使用虚拟线程死锁的情况.\u003Cbr\u003E这个问题和 synchronized 关联. 具体可以参考 [Medium Netflix Tech]( https://netflixtechblog.com/j**a-21-virtual-threads-dude-wheres-my-lock-3052540e231d)',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 10:27:10',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[17,23,],mentionUsers:[],likeUsers:[],},{id:64510,num:10,uid:642,content:'收到',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 10:28:18',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64511,num:11,uid:642,content:'收到',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 10:28:24',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64512,num:12,uid:642,content:'收到',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 10:28:29',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64513,num:13,uid:642,content:'还是哥专业啊~ 理论上我们新项目不会上新的 jdk 版本,还是继续用 J**a8',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 10:29:27',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64514,num:14,uid:642,content:'有的时候我觉得 J**a 对于中小企业真是一种负担,明明可以用 Go 来做业务开发,能减少不少服务器成本!',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 10:32:12',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64515,num:15,uid:1330,content:'别搞 j**a8 了，起码 17 起步，现在各个生态配台早都跟上了。netty 是稳健的选择多少年市场验证过了',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 10:57:43',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64516,num:16,uid:4111,content:'https://github.com/tywo45/t-io  要不看看 tio 不过好像这个框架用的人不多 评价不高',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 10:59:15',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64517,num:17,uid:629,content:'#9 JDK24 修了 synchronized 问题',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 11:01:54',updatedAt:'2025-03-21 12:06:57',mentionNum:9,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64518,num:18,uid:642,content:'那 JDK21 的人不就是小白鼠了!',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 11:05:15',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:64519,num:19,uid:642,content:'升级 JDK 不是说我想升就能升,企业用 J**a 要的是稳定!',ipRegion:'',updatedByUid:0,createdAt:'2025-03-19 11:05:51',updatedAt:'2025-03-21 12:06:57',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},],usersMap:new 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