xfer log file

[liumingxing]

在 2014-11-20 19:02, Graham Clinch 写道:
>> In the xfer log file, there are line of request to servers and ones of
>> reply from the servers.  Do they come in pairs? If do, are they next to
>> each other?
> Assuming we're thinking of the same xfer log (categories
> xfer-in/xfer-out)...
>
> In normal operation you could expect pairs:
>
> * '(A|I)XFR started' & '(A|I)XFR ended' for xfer-out,
> * 'connected' & 'Transfer completed' for xfer-in
yes.
> but they won't necessarily be next to each other - a second transfer may
> start before the first has finished (however, perhaps with
> transfers-in/transfers-out set to 1...?)
Yes. it is not necessary for them to be next to each other.
But how to pair two lines which are a pair but not next to each other?
Are there identification to locate them?

Sometimes, to find pairs are needed to found to fix zone transfer problems.
> It'll be different in error/failure situations.
>
> Is there a particular reason to be interested in whether a transfer
> completes before the next one starts?
>
> Graham
>

Liu Mingxing
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