[jira] [Created] (DIRMINA-1134) I would like to know reason, I am observing significant CPU utilization improvement after migrating to latest version, I need to justify same to our stakeholders

["kjhawierhjbasdf (Jira)" <ji...@apache.org>]

kjhawierhjbasdf created DIRMINA-1134:
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             Summary: I would like to know reason, I am observing significant CPU utilization improvement after migrating to latest version, I need to justify same to our stakeholders
                 Key: DIRMINA-1134
                 URL: https://issues.apache.org/jira/browse/DIRMINA-1134
             Project: MINA
          Issue Type: Wish
            Reporter: kjhawierhjbasdf


Hello Team,

We are using Apache MINA(v2.0.21) for tcp tls server implementation. I have 2 queries.

1. CPU utilization query
We were using 2.0.9 before, and we saw there were few issues related to high cpu utilization reported with our service. Then we recently migrated to 2.0.21 and we are seeing significant improvement in cpu utilization. Its using less cpu without degrading performance.

Can you please confirm, If there are any fixes released in-between which can cause such improvement. I have to provide justification to our stake-holders about the improvement, they suspect that - It may not be the improvement, It may be the code changes which is limiting CPU usage to single core.

2. Processor count query
Earlier, we were using default constructor for NioSocketAcceptor object, which creates number of processors equal to number of cores. 
But, In our case, we have few more services running on the machine, And I am thinking to use NioSocketAcceptor object and pass the processor count with 1 or 2. I have verified this change, I did no see the performance degradation with our service.
Do you see any problem with this? Anything else needs to be considered before we go ahead with this change?

Thanks,
Rupesh Shah



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