There is a weird issue occurred with sss_ssh_knownhostsproxy. I am not sure it
is within the coverage of IPA mail-list. but want to get some suggestions from
server A running with mysql database. And it will simultaneously send a 1.3GB
file to 14 clients.
With 'ProxyCommand /usr/bin/sss_ssh_knownhostsproxy -p %p %h':
mysql connection will be blocked by those 14 rsync connections.
from 'netstat -tupnlo' result, we can find that send-queue is higher and
higher, looks like it has sent has been blocked. Finally, after mysql
'net_write_timeout', connection will be closed since no data can be sent from
without 'ProxyCommand /usr/bin/sss_ssh_knownhostsproxy -p %p %h':
mysql connection can be worked as normal.
sss_ssh_knownhostsproxy version: sssd-common-1.14.0-43.el7_3.11.x86_64
rsync version: rsync-3.0.9-17.el7.x86_64
kernel version: 3.10.0-229.el7.x86_64
Can you provide some hints on this, that would be appreciated.
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