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Posted to dev@brpc.apache.org by GitBox <gi...@apache.org> on 2021/05/22 02:35:21 UTC
[GitHub] [incubator-brpc] yqynju opened a new issue #1410: process hang, since EPOLLOUT loop wait fd
yqynju opened a new issue #1410:
URL: https://github.com/apache/incubator-brpc/issues/1410
**Describe the bug (描述bug)**
/brpc/src/brpc/socket.cpp:1196] Fail to wait EPOLLOUT of fd=187: Connection timed out
/brpc/src/brpc/socket.cpp:1196] Fail to wait EPOLLOUT of fd=187: Connection timed out
/brpc/src/brpc/socket.cpp:1196] Fail to wait EPOLLOUT of fd=187: Connection timed out
/brpc/src/brpc/socket.cpp:1196] Fail to wait EPOLLOUT of fd=187: Connection timed out
timeout loop， not exit any more.
the process is hang, do not handle any request.
**To Reproduce (复现方法)**
**Expected behavior (期望行为)**
**Versions (各种版本)**
OS:
Compiler:
brpc:
protobuf:
**Additional context/screenshots (更多上下文/截图)**
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[GitHub] [incubator-brpc] yqynju commented on issue #1410: process hang, since EPOLLOUT loop wait fd
Posted by GitBox <gi...@apache.org>.
yqynju commented on issue #1410:
URL: https://github.com/apache/incubator-brpc/issues/1410#issuecomment-851928747
--usercode_in_pthread=true
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[GitHub] [incubator-brpc] lorinlee commented on issue #1410: process hang, since EPOLLOUT loop wait fd
Posted by GitBox <gi...@apache.org>.
lorinlee commented on issue #1410:
URL: https://github.com/apache/incubator-brpc/issues/1410#issuecomment-864530238
如果client遇到超时关闭连接，但是server端还卡在和backupend通信中，并未结束请求，这时候CLOSE_WAIT是符合预期的
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[GitHub] [incubator-brpc] believeyourself commented on issue #1410: process hang, since EPOLLOUT loop wait fd
Posted by GitBox <gi...@apache.org>.
believeyourself commented on issue #1410:
URL: https://github.com/apache/incubator-brpc/issues/1410#issuecomment-1002840289
现在解决了嘛？
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[GitHub] [incubator-brpc] yqynju commented on issue #1410: process hang, since EPOLLOUT loop wait fd
Posted by GitBox <gi...@apache.org>.
yqynju commented on issue #1410:
URL: https://github.com/apache/incubator-brpc/issues/1410#issuecomment-851913597
场景就是，
client --- server --- backupend
如果client侧的timeout_ms比server到backupend的timeout_ms小的时候。
client超时，断开连接，server感知不到，导致链接处于CLOSE_WAIT，当超过了系统连接限制就进入假死状态。
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[GitHub] [incubator-brpc] yqynju commented on issue #1410: process hang, since EPOLLOUT loop wait fd
Posted by GitBox <gi...@apache.org>.
yqynju commented on issue #1410:
URL: https://github.com/apache/incubator-brpc/issues/1410#issuecomment-851962763
> --usercode_in_pthread=true
去掉这个，CLOSE_WAIT很快就释放了，如果存在这个配置，CLOSE_WAIT会一直存在。
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[GitHub] [incubator-brpc] yqynju commented on issue #1410: process hang, since EPOLLOUT loop wait fd
Posted by GitBox <gi...@apache.org>.
yqynju commented on issue #1410:
URL: https://github.com/apache/incubator-brpc/issues/1410#issuecomment-851913884
> > 对端启动了吗？
>
> 能提供下最小复现的代码吗，可能不是对端没有启动的原因
场景就是，
client --- server --- backupend
如果client侧的timeout_ms比server到backupend的timeout_ms小的时候。
client超时，断开连接，server感知不到，导致链接处于CLOSE_WAIT，当超过了系统连接限制就进入假死状态。
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[GitHub] [incubator-brpc] hotaery commented on issue #1410: process hang, since EPOLLOUT loop wait fd
Posted by GitBox <gi...@apache.org>.
hotaery commented on issue #1410:
URL: https://github.com/apache/incubator-brpc/issues/1410#issuecomment-846987719
> 对端启动了吗？
能提供下最小复现的代码吗，可能不是对端没有启动的原因
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[GitHub] [incubator-brpc] hotaery commented on issue #1410: process hang, since EPOLLOUT loop wait fd
Posted by GitBox <gi...@apache.org>.
hotaery commented on issue #1410:
URL: https://github.com/apache/incubator-brpc/issues/1410#issuecomment-846722641
对端启动了吗？
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