[Bug 11496] New: itemized logging of transferred bytes is cumulative instead of per file
samba-bugs at samba.org
samba-bugs at samba.org
Sun Sep 6 12:43:12 UTC 2015
https://bugzilla.samba.org/show_bug.cgi?id=11496
Bug ID: 11496
Summary: itemized logging of transferred bytes is cumulative
instead of per file
Product: rsync
Version: 3.1.0
Hardware: x64
OS: Linux
Status: NEW
Severity: normal
Priority: P5
Component: core
Assignee: wayned at samba.org
Reporter: cwygerde at gmail.com
QA Contact: rsync-qa at samba.org
I am using the tym script to do backups.
It uses: --log-file-format='%o %i %3b %5l %-f'
The manpage says: %b the number of bytes actually transferred
For directories (which are part of the filelist and therefore not transferred
separately as files) it shows a value of 0.
But for files it shows the cumulative number of transferred bytes instead of
the amount per file.
I did a local test using /sbin as source and /test as destination:
2015/09/06 14:21:28 [987] building file list
2015/09/06 14:21:28 [987] send cd+++++++++ 0 12288 sbin
2015/09/06 14:21:28 [987] send >f+++++++++ 58785 52466 sbin/MAKEDEV
2015/09/06 14:21:28 [987] send >f+++++++++ 65077 6248 sbin/acpi_available
2015/09/06 14:21:28 [987] send >f+++++++++ 97232 32112 sbin/agetty
2015/09/06 14:21:28 [987] send >f+++++++++ 102851 5576 sbin/alsa
2015/09/06 14:21:28 [987] send >f+++++++++ 109166 6272 sbin/apm_available
2015/09/06 14:21:28 [987] send >f+++++++++ 958357 849048 sbin/apparmor_parser
2015/09/06 14:21:28 [987] send >f+++++++++ 985560 27160 sbin/badblocks
2015/09/06 14:21:28 [987] send >f+++++++++ 1017147 31544 sbin/blkid
I looked at the code and the previous value seems to be stored in a static
using a call to the function below:
void remember_initial_stats(void)
{
initial_data_read = total_data_read;
initial_data_written = total_data_written;
}
In function 'log_formatted' the following code is used:
case 'b':
if (!(iflags & ITEM_TRANSFER))
b = 0;
else if (am_sender)
b = total_data_written - initial_data_written;
else
b = total_data_read - initial_data_read;
strlcat(fmt, "s", sizeof fmt);
snprintf(buf2, sizeof buf2, fmt,
do_big_num(b, humanize, NULL));
n = buf2;
break;
This looks fine so I would expect this to work correctly.
Maybe the call to remember_initial_stats is not happening at the right time.
While looking at this I saw the code for %c (received checksum bytes) has the
same code as for %b so it will print transferred bytes instead of received
checksum bytes. That is a bug.
I am using 3.10.0 on Ubuntu 14.04.3 but I checked the 3.12 version of the code
and saw no changes in that area nor other bug-reports on this topic.
rsync version 3.1.0 protocol version 31
Copyright (C) 1996-2013 by Andrew Tridgell, Wayne Davison, and others.
Web site: http://rsync.samba.org/
Capabilities:
64-bit files, 64-bit inums, 64-bit timestamps, 64-bit long ints,
socketpairs, hardlinks, symlinks, IPv6, batchfiles, inplace,
append, ACLs, xattrs, iconv, symtimes, prealloc
-rwxr-xr-x 1 root root 390704 apr 17 2014 /usr/bin/rsync
I have run rsync with -vvv but I don't see anything strange there.
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