legionxiong opened a new issue, #3172:
URL: https://github.com/apache/brpc/issues/3172
**Describe the bug**
brpc socket broken 后一直没有被回收，client 与 server 端无法重建连接。
# This is a broken Socket
version=1
shared_part={
ref_count=1
socket_pool=null
creator_socket=170
in_size=1288977874
in_num_messages=4850513
out_size=20318875586
out_num_messages=4850841
recent_error_count=58527
}
nref=3
nevent=1
fd=94
tos=0
reset_fd_to_now=61999138754us
remote_side=172.20.10.3:8000
local_side=172.20.10.177:55204
on_et_events=0x7f1019133de0
user=(brpc::InputMessenger*)0x556efc440850
this_id=170
preferred_index=1 (baidu_std)
hc_count=0
avg_input_msg_size=85
read_buf=0
last_read_to_now=59650542887us
last_write_to_now=59646841539us
overcrowded=0
id_wait_list={}
parsing_context=0
pipeline_q=0
hc_interval_s=3
is_hc_related_ref_held=1
ninprocess=1
auth_flag_error=0
auth_id=2216203124737
auth_context=0
logoff_flag=0
last_error=104
_additional_ref_status=2
total_streams_buffer_size=0
ninflight_app_health_check=0
agent_socket_id=(none)
cid=0
write_head=0
ssl_state=SSL_OFF
is_write_shutdown=0
keepalive=0
tcp_keepalive_time=7200
tcp_keepalive_intvl=75
tcp_keepalive_probes=9
tcp_user_timeout=0
tcpi={
state=7
ca_state=0
retransmits=0
probes=0
backoff=0
options=7
snd_wscale=7
rcv_wscale=7
rto=202000
ato=40000
snd_mss=1448
rcv_mss=1448
unacked=0
sacked=0
lost=0
retrans=0
fackets=0
last_data_sent=59646841
last_ack_sent=0
last_data_recv=59650543
last_ack_recv=59646841
pmtu=1500
rcv_ssthresh=3145728
rtt=1157
rttvar=2223
snd_ssthresh=640
snd_cwnd=17
advmss=1448
reordering=3
}
bthread_tag=0
#
**To Reproduce**
这个问题在我们的使用场景中只有一个 client 出现了， 原因是 server 挂了十几分钟后又恢复了， 而这个 client 在 10
小时后都无法与 server 通信。 客户端都默认开启了 HealthCheck，但是没有开 keepalive。
**Expected behavior**
broken socket 被回收掉，client 恢复与 server 通信。
**Versions**
OS: Rocky 8.4
Compiler:
brpc: 1.13.0
protobuf:
**Additional context/screenshots**
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