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Posted to issues@cloudstack.apache.org by "Demetrius Tsitrelis (JIRA)" <ji...@apache.org> on 2014/01/10 23:04:51 UTC

[jira] [Created] (CLOUDSTACK-5854) Investigate disabling Nagle for SSL/TLS connections

Demetrius Tsitrelis created CLOUDSTACK-5854:
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             Summary: Investigate disabling Nagle for SSL/TLS connections
                 Key: CLOUDSTACK-5854
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5854
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Management Server
    Affects Versions: 4.2.0
            Reporter: Demetrius Tsitrelis


CloudStack makes use of a dozen instances of SSL/TLS in its Java code and in several more instances for features such as Secondary Storage template downloading controlled via Apache/Tomcat configuration.

It appears that the Nagle algorithm is not disabled for any of these uses.  The SSL/TLS handshake is likely affected by having Nagle enabled.  The Console Proxy transmits many small packets and so probably is notably affected as well.  The performance impact of disabling the algorithm should be investigated.



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