Wireshark-bugs: [Wireshark-bugs] [Bug 5254] New: Converted SNOOP capture file slow to read in
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Thu, 23 Sep 2010 10:32:56 -0700 (PDT)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5254

           Summary: Converted SNOOP capture file slow to read in
           Product: Wireshark
           Version: 1.4.0
          Platform: x86
        OS/Version: Windows XP
            Status: NEW
          Severity: Normal
          Priority: Medium
         Component: Wireshark
        AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
        ReportedBy: GaryChaulklin@xxxxxxxxx


Build Information:
Version 1.4.0 (SVN Rev 34005 from /trunk-1.4)

Copyright 1998-2010 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Compiled with GTK+ 2.16.6, (32-bit) with GLib 2.22.4, with WinPcap (version
unknown), with libz 1.2.3, without POSIX capabilities, without libpcre, with
SMI
0.4.8, with c-ares 1.7.1, with Lua 5.1, without Python, with GnuTLS 2.8.5, with
Gcrypt 1.4.5, with MIT Kerberos, with GeoIP, with PortAudio V19-devel (built
Aug
29 2010), with AirPcap.

Running on Windows XP Service Pack 3, build 2600, with WinPcap version 4.1.2
(packet.dll version 4.1.0.2001), based on libpcap version 1.0 branch 1_0_rel0b
(20091008), GnuTLS 2.8.5, Gcrypt 1.4.5, without AirPcap.

Built using Microsoft Visual C++ 9.0 build 30729
--
When reading a SNOOP generated trace (converted to libpcap by editcap), the
file takes a full 5 minutes to read (using a profile designed for quick
reading).  The file is just 23MB with 250,000 packets.

Reading a similiar size file on the same PC of 26MB and 218,406 packets (also
in libpcap format) takes about 6 seconds.

The first file has a much higher throughput rate (200 Mbps vs. less than 1
Mbps)and was limited in its packet size captured to 80 bytes.

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