Check the stats on the daemon to see if it's rejected any client
connections?

That can happen if you're out of local ports, if the server's hit the
connection limit, etc.

On Fri, 2 Nov 2018, capoluc01 wrote:

> I sometimes get 0 Ops/sec in memtiers json output if run against memcached. 
> Here is the setup:
> I have 3 client VMs on Azure, each running a single instance of memtier 
> version 1.2.14. Then I have a single server VM on Azure running an instance of
> memcached version 1.5.6.
> I start each memtier instance with the following options:
>  --server=<ip_of_memcached_vm> --port=<port_of_memcached_vm> 
> --protocol=memcache_text --ratio=1:0 --expiry-range=9999-10000 
> --key-maximum=10000
> --hide-histogram --clients=56 --threads=2 --test-time=75 --data-size=4096 
> --json-out-file=client.json &> mt1.txt
>
> memcached is started like this:
> memcached -p <port_of_server> -t 1 -v &> mc1.log
>
> It happens that often (not always) at least one memtier client ouputs a json 
> with 0 Ops/sec. In this case, the corresponding mt1.txt (where stdout &
> stderr are redirected to) shows the error message "read error: connection 
> reset by peer". I have no idea why this happens and would appreciate your 
> help.
>
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