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Posted to dev@brpc.apache.org by GitBox <gi...@apache.org> on 2021/09/16 11:10:05 UTC
[GitHub] [incubator-brpc] bystorm opened a new issue #1561: 支持UNIX Domain socket
bystorm opened a new issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561
**Is your feature request related to a problem? (你需要的功能是否与某个问题有关?)**
否
**Describe the solution you'd like (描述你期望的解决方法)**
支持UNIX domain socket 以更好的支持进程间通信。
UNIX domain socket采用共享内存技术，在单机中的进程间通信有着更好的性能。
**Describe alternatives you've considered (描述你想到的折衷方案)**
**Additional context/screenshots (更多上下文/截图)**
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[GitHub] [incubator-brpc] bystorm commented on issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
bystorm commented on issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561#issuecomment-957102561
客户端的connection_type采用pooled方式，当启动多个客户端进程时，会打印：
W1102 12:55:20.049485 2285291 src/brpc/socket.cpp:1136] Fail to connect to unix:/etc/local_cache/local_cache.sock: Resource temporarily unavailable
W1102 12:55:20.049553 2285292 src/brpc/socket.cpp:1136] Fail to connect to unix:/etc/local_cache/local_cache.sock: Resource temporarily unavailable
W1102 12:55:20.049557 2285291 src/brpc/socket.cpp:1136] Fail to connect to unix:/etc/local_cache/local_cache.sock: Resource temporarily unavailable
W1102 12:55:20.049775 2285291 src/brpc/socket.cpp:1136] Fail to connect to unix:/etc/local_cache/local_cache.sock: Resource temporarily unavailable
W1102 12:55:20.049793 2285292 src/brpc/socket.cpp:1136] Fail to connect to unix:/etc/local_cache/local_cache.sock: Resource temporarily unavailable
W1102 12:55:20.049897 2285292 src/brpc/socket.cpp:1136] Fail to connect to unix:/etc/local_cache/local_cache.sock: Resource temporarily unavailable
W1102 12:55:20.049926 2285292 src/brpc/socket.cpp:1136] Fail to connect to unix:/etc/local_cache/local_cache.sock: Resource temporarily unavailable
导致连不上，是不是一个uds的fd有限制。
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[GitHub] [incubator-brpc] bystorm removed a comment on issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
bystorm removed a comment on issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561#issuecomment-957038593
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[GitHub] [incubator-brpc] bystorm commented on issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
bystorm commented on issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561#issuecomment-957038463
E1102 09:51:59.358552 2258742 src/bthread/task_group.cpp:671] _remote_rq is full, capacity=2048
E1102 09:52:00.359144 2258732 src/bthread/task_group.cpp:671] _remote_rq is full, capacity=2048
E1102 09:52:01.359227 2258732 src/bthread/task_group.cpp:671] _remote_rq is full, capacity=2048
E1102 09:52:02.359358 2258742 src/bthread/task_group.cpp:671] _remote_rq is full, capacity=2048
E1102 09:52:03.359938 2258732 src/bthread/task_group.cpp:671] _remote_rq is full, capacity=2048
E1102 09:52:04.360341 2258732 src/bthread/task_group.cpp:671] _remote_rq is full, capacity=2048
E1102 09:52:05.360597 2258742 src/bthread/task_group.cpp:671] _remote_rq is full, capacity=2048
E1102 09:52:06.361061 2258742 src/bthread/task_group.cpp:671] _remote_rq is full, capacity=2048
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[GitHub] [incubator-brpc] wwbmmm commented on issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
wwbmmm commented on issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561#issuecomment-921405032
#1560 已经在PR中了
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[GitHub] [incubator-brpc] bystorm commented on issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
bystorm commented on issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561#issuecomment-957038593
采用异步方式的时候总是出现这个，并且server端没有任何流量。
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[GitHub] [incubator-brpc] wwbmmm commented on issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
wwbmmm commented on issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561#issuecomment-1080310733
已合入master
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[GitHub] [incubator-brpc] wwbmmm closed issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
wwbmmm closed issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561
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[GitHub] [incubator-brpc] wwbmmm commented on issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
wwbmmm commented on issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561#issuecomment-938313261
> 试用了1560提交的那个版本的uds，发现两个问题：1. 如果客户端先启动，服务端后期动，客户端无法连接到服务端。2. 服务端生成sock文件如果不删除，会bind失败。
1. 我试了下，如果客户端先启动，服务端后启动，客户端会在服务端启动3秒后连接到服务端。不知道你具体是怎么操作的？
2. 可以设置gflag reuse_uds_path=true，这样就会自动删除sock文件
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[GitHub] [incubator-brpc] bystorm commented on issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
bystorm commented on issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561#issuecomment-938413892
我就是先启动client，然后再启动server。之后就一直连不上了。
error=[E112]Not connected to unix:local_cache.sock yet, server_id=0 [R1][E112]Not connected to unix:local_cache.sock yet, server_id=0
我看了example中的确实可以重新连接，连不上的时候错误码不同。
src/brpc/socket.cpp:1136] Fail to connect to unix:1.sock: Connection refused
Fail to connect to unix:1.sock: No such file or directory
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[GitHub] [incubator-brpc] bystorm commented on issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
bystorm commented on issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561#issuecomment-938260333
试用了1560提交的那个版本的uds，发现两个问题：1. 如果客户端先启动，服务端后期动，客户端无法连接到服务端。2. 服务端生成sock文件如果不删除，会bind失败。
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[GitHub] [incubator-brpc] bystorm commented on issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
bystorm commented on issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561#issuecomment-957038463
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[GitHub] [incubator-brpc] bystorm removed a comment on issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
bystorm removed a comment on issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561#issuecomment-957038593
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[GitHub] [incubator-brpc] bystorm commented on issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
bystorm commented on issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561#issuecomment-957038463
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[GitHub] [incubator-brpc] bystorm removed a comment on issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
bystorm removed a comment on issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561#issuecomment-957038593
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[GitHub] [incubator-brpc] wwbmmm commented on issue #1561: 支持UNIX Domain socket
Posted by GitBox <gi...@apache.org>.
wwbmmm commented on issue #1561:
URL: https://github.com/apache/incubator-brpc/issues/1561#issuecomment-938440415
> 我就是先启动client，然后再启动server。之后就一直连不上了。 error=[E112]Not connected to unix:local_cache.sock yet, server_id=0 [R1][E112]Not connected to unix:local_cache.sock yet, server_id=0 我看了example中的确实可以重新连接，连不上的时候错误码不同。 src/brpc/socket.cpp:1136] Fail to connect to unix:1.sock: Connection refused Fail to connect to unix:1.sock: No such file or directory
Connection refused的情况应该是sock文件存在，但是没有进程在监听
No such file or directory的情况是sock文件不存在
我就是用的example/echo_c++，先启动client，一开始打的是： [E112]Not connected to unix:path.sock yet, server_id=0 [R1][E112]Not connected to unix:path.sock yet, server_id=0 [R2][E112]Not connected to unix:path.sock yet, server_id=0 [R3][E112]Not connected to unix:path.sock yet, server_id=0
每3秒会探活一次，打印一条：Fail to connect to unix:path.sock: No such file or directory
再启动server，下一次探活就会出现：Revived Socket{id=0 addr=unix:path.sock} (0x55ecd5810050) (Connectable)
然后就正常了
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