Re: [pcp] braindump on unified-context / live-logging

[Nathan Scott <nathans@xxxxxxxxxx>]

----- Original Message -----
> ...
> Ken did something to the guts of pmlogger which made it write the files
> in the correct order, with an fsync().  It worked and I think it was
> checked in, but I'm not sure.  We couldn't use it because our design
> relied on a stock PCP and there was no way to ship an update.

There are no fsync's in either libpcp or pmlogger, but there is a series
of fflush's which might be what you're thinking of here (I hope!).

> Plus it only solved half the problem, the lag being the other half.
> 
> Plus again, it meant that any metric we wanted to present an average for

See plus plus?  Worst... joke... ever.

> ...
> Hope this helps.

Very much - thanks!

cheers.

--
Nathan