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https://issues.apache.org/jira/browse/TS-3411?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14343951#comment-14343951
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James Peach commented on TS-3411:
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What exactly are these metrics? The number of connections opened or the number
of connections currently open? I don't much like the "successful" adjective in
there ...
> Add stat to track total number of network connections
> -----------------------------------------------------
>
> Key: TS-3411
> URL: https://issues.apache.org/jira/browse/TS-3411
> Project: Traffic Server
> Issue Type: Bug
> Components: Network, Performance
> Reporter: Susan Hinrichs
> Assignee: Susan Hinrichs
>
> Currently, we can use proxy.process.http.total_client_connections or
> proxy.process.http.total_incoming_connections to determine the number of TCP
> connections that have been made from the user_agent to ATS, assuming that
> HTTP/1.0 or HTTP/1.1 are used.
> If SPDY or HTTP/2 are used, these counters will be incremented for each
> stream not for each network connection.
> It would be useful to add counters in the iocore/net area to directly track
> the number of TCP connections that have been open over time. Right now only
> the number of currently_open connections are tracked via
> proxy.process.net.connections_currently_open.
> I propose adding two new metrics proxy.process.net.connections_successful_in
> and proxy.process.net.connections_successful_out
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