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From: Jari Aalto <[EMAIL PROTECTED]>
To: Debian Bug Tracking System <[EMAIL PROTECTED]>
Subject: daapd: Unacceptable server startup time at boot (scanning files takes
hours)
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Date: Sat, 12 Feb 2005 15:58:03 +0200
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Package: daapd
Version: 0.2.3d-4
Severity: important
ENVIRONMENT
Host A Host B
- daapd - audio files
- The connection between A-B is WLAN/11Mbps (effective speed about 2-3Mbps)
and host A accesses B's direcctories via NFS.
- Total shared files from B is about 2000-3000 (not counted exactly)
PROBLEM
After starting daapd (for the first time), the whole process just hangs.
I assume it is scanning the files and /etc/init.d/daapd is waiting
it to end.
Starting DAAP music sharing server:
(... and it goes on, on and on)
I killed the process after 2 hours due to lack of indication that the
process would ever end by itself.
Due to this hour(s) long hang up, the daapd is unusable in the
presented environment. I assume it might work with fast 1G ethernet
connections, but that's knot the typical home environment.
SUGGESTION
The daapd code needs restructuring to make it usable in any other
environment than localhost (files at host A). It is not uncommon that
files being too big to fit in server A, the data files are shared
through other hosts (like B in my case).
I haven't looked at the source, but I dare to make some suggestions
for the code flow:
- Do not try to scan all files at startup, but divide the task
into "chunks":
A. Collect the directories to scan to a LIST. This should be fast.
(easy recursive task)
B. Store this LIST to disk as checkpoint X.
=> At this point return ok code to the caller, so that
calling program can continue (in this case: "/etc/init.d/daapd start"
process)
C. Start examining the LIST one DIR at a time.
=> After processing one DIR, write checkpoint to disk and
serve files collected so far.
D. Continue repeating C, as long as there are still entries in LIST.
-- System Information:
Debian Release: 3.1
APT prefers unstable
APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.9-1-686
Locale: LANG=C, LC_CTYPE=C (charmap=ISO-8859-1) (ignored: LC_ALL set to en_US)
Versions of packages daapd depends on:
ii libc6 2.3.2.ds1-20 GNU C Library: Shared libraries an
ii libgcc1 1:3.4.3-9 GCC support library
ii libhowl0 0.9.8-2 Library for Zeroconf service disco
ii libid3tag0 0.15.1b-3 ID3 tag reading library from the M
ii libstdc++5 1:3.3.5-8 The GNU Standard C++ Library v3
ii mdnsresponder 0.9.8-2 Howl Rendezvous/mDNS service respo
ii zlib1g 1:1.2.2-4 compression library - runtime
-- no debconf information
---------------------------------------
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From: Debian Archive Maintenance <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
X-Katie: melanie $Revision: 1.43 $
Cc: [EMAIL PROTECTED], [EMAIL PROTECTED]
Subject: Bug#294934: fixed
Message-Id: <[EMAIL PROTECTED]>
Sender: Jeroen van Wolffelaar <[EMAIL PROTECTED]>
Date: Thu, 15 Sep 2005 17:38:07 -0700
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We believe that the bug you reported is now fixed; the following
package(s) have been removed from unstable:
daapd | 0.2.4a-1 | source, alpha, arm, hppa, i386, ia64, m68k, mips,
mipsel, powerpc, s390, sparc
Note that the package(s) have simply been removed from the tag
database and may (or may not) still be in the pool; this is not a bug.
The package(s) will be physically removed automatically when no suite
references them (and in the case of source, when no binary references
it). Please also remember that the changes have been done on the
master archive (ftp-master.debian.org) and will not propagate to any
mirrors (ftp.debian.org included) until the next cron.daily run at the
earliest.
Packages are never removed from testing by hand. Testing tracks
unstable and will automatically remove packages which were removed
from unstable when removing them from testing causes no dependency
problems.
Bugs which have been reported against this package are not automatically
removed from the Bug Tracking System. Please check all open bugs and
close them or re-assign them to another package if the removed package
was superseded by another one.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [EMAIL PROTECTED]
This message was generated automatically; if you believe that there is
a problem with it please contact the archive administrators by mailing
[EMAIL PROTECTED]
Debian distribution maintenance software
pp.
Jeroen van Wolffelaar (the ftpmaster behind the curtain)
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