Hello, 

I have this log in my dmesg: possible SYN flooding on port 8983. Sending
cookies.

The Solr instance (6.3.0) has not accepting more http connections.

I ran this: _lsof -nPi |grep \:8983 | wc -l_ and the number of connection to
port 8983 is about 14K in CLOSE_WAIT ou ESTABLISHED state.

Any suggestion of what could be the reason?

Thanks,

/Yago




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Best regards

/Yago
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