[Web10g-user] CIDs of connections

[rapier]

On 7/10/14, 1:39 PM, mojgan ghasemi wrote:
> Hi Chris,
>
> Thanks for your response.
>
> Unfortunately I use the 2.0.7 version. Does the logger from 2.0.8 have
> any dependencies to the newer version that doesn't let it be run on the
> older version?

Not that I'm aware of. Of course, it's been a while so I might be mistake.

> Also, to be clear about your point that information is not lost, can I
> assume that web10G collects every statistics for every flow, and the
> interface just presents that data, but doesn't change what flows are
> being monitored or what stats are being collected?

Exactly right. The information for each flow is always collected 
independent of the interface.

>
> Thanks
> Mojgan Ghasemi
>
>
> On Thu, Jul 10, 2014 at 1:14 PM, rapier <rapier at psc.edu
> <mailto:rapier at psc.edu>> wrote:
>
>     Hi Mojgan,
>
>     If you are using the 2.0.8 version of the estats userland there is a
>     tools in util/C called web10g-logger which will monitor all connections
>     every N milliseconds (default is 1000). Essentially it is a mash-up of
>     listconn and readvars. I should point out that web10g doesn't actually
>     lose information from a connection. From the moment the connection is
>     established the instrument set is collecting data. For example -
>     watchvars will give you the cumulative data for each metric since the
>     inception of the connection regardless of when you run watchvars.
>
>     Chris Rapier
>
>     On 7/10/14, 1:00 PM, mojgan ghasemi wrote:
>      > Hi,
>      > Forgive me if this has already been asked!
>      >
>      > I have web10G running on a kernel, and I want to perform watch
>     variables
>      > on a connection from its starting point, without missing any
>     information
>      > about it.
>      >
>      > If I wait for the connection to get created first, and then use
>     the CID
>      > shown by listconns, I am missing the initial packets and there
>     will be a
>      > delay between monitoring start time and the flow start time. I'm
>      > assuming those information is lost.
>      >
>      > How can I ask web10G to monitor a connection "before" its
>     creation, so
>      > that I am sure all of its info is recorded?
>      >
>      > Alternatively if this is not possible, how can I ask web10G to
>     monitor
>      > /"all"/ the connections, so that I am certain the watchvars will
>     capture
>      > the flow's initial stats?
>      >
>      > Thanks,
>      > Mojgan Ghasemi
>      >
>      >
>      > _______________________________________________
>      > Web10g-user mailing list
>      > Web10g-user at web10g.org <mailto:Web10g-user at web10g.org>
>      > https://lists.psc.edu/mailman/listinfo/web10g-user
>      >
>      > To UNSUBSCRIBE visit
>     https://lists.psc.edu/mailman/unsubscribe/web10g-user
>      >
>     _______________________________________________
>     Web10g-user mailing list
>     Web10g-user at web10g.org <mailto:Web10g-user at web10g.org>
>     https://lists.psc.edu/mailman/listinfo/web10g-user
>
>     To UNSUBSCRIBE visit
>     https://lists.psc.edu/mailman/unsubscribe/web10g-user
>
>