benp;411241 Wrote: 
> 
> My music library is on my NAS organized by iTunes, I'm streaming this
> over my wireless network to a normal Squeezebox. The iPeng is set up to
> acces this player. Squeezecentre is running on my PC (not the NAS).
> 
> My music library is over 10,000 tracks so probably about 1,000 albums.
> 
OK, that's still "small". "Big" for 1.0.5 is anything beyond 4.000
albums, for 1.0 it would be anything beyond 10.000 albums.
> 
> The playlists can vary from a few tracks to a few hundred in length, I
> will experiment tonight to see if the playlist size is an issue.
> 
> The rebuffereing issue can start as soon as I launch iPeng on my
> iPhone.
> 
> I'm not sure if it would still be syncing the cache, how can I find
> this out?
> 
If you see artwork on the browse pages it's not syncing anymore. iPeng
should not sync the cache for longer than a minute with your setup.
Except for artwork, I will explain later what I mean with this.

This _is_ a bit strange.
iPeng DOES communicate permanently with your server and it is indeed a
bit more verbose than the SBC in doing so (at least 1.0.5) because it
polls data. However, it's _not_ more verbose than the default skin on
the web interface.
I can't see how this normal polling of status information could affect
your server, especially if it's a full-blown PC (some NAS are really
slow on SC performance, though, but your SC is not running on a NAS).

Now the only ways I could see how iPeng affects your setup is either
a) You use WiFi and you are at the brink of having not enough bandwidth
and the additional comms of the iPod gets it beyond that. In this case
browsing with Safari should have the same effect
b) iPeng does communicate a bit more during startup, it will sync the
cache (full sync only when you have made changes to your server's
database) and it will request the current playlist, which can be a lot
of data for long playlists (I'm talking several hundred tracks here).
But if this holds up your streaming, it would again mean your server
has to be really busy. Do you use transcoding?
c) it's the network interface to your NAS. Is your SC cache folde also
on the NAS? Usually, SC does not communicate to the data source with
one notable exception: when you first synchronize your cache (actually:
whenever you access an album fist), SC will generate thumbnails of your
artwork and for that it will have to read the full artwork, in cace of
embedded artwork that's a whole audio file and if that file is
FLAC....
I see that _I_ get rebuffering issues when I transfer large amounts of
data to my server (my SC is running on a Mini-ITX server), there's
obviously a throughput issue then.
If it's "c" it should eventually stop and generally get better over
time since SC itself will cache the artwork thumbnails and not
re-generate them when you start iPeng the second time (unless you do a
"clear and rescan").


-- 
pippin

---
see iPeng, the Squeezebox iPhone remote, at penguinlovesmusic.com
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