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Time Machine backups large since Mavericks Update

Since I upgraded to Mavericks a few months ago, I've noticed my Time Machine backups have gotten very large. I'm currently running one that is over 8 GB and in no way have I accumulated 8 GB of data since my last backup. I keep my music and docs on an external drive and haven't had any major software upgrades or anything. Any reason for this? Is anyone else having this issue?

MacBook Pro (15-inch Early 2008), OS X Mavericks (10.9.1), 4 GB RAM, 250 GB Hard Drive

Posted on Jan 20, 2014 8:10 PM

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3 replies

Jan 20, 2014 8:35 PM in response to Tyler Routson

If you have more than one user account, these instructions must be carried out as an administrator.

Launch the Console application in any of the following ways:

☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)

☞ In the Finder, select Go Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.

☞ Open LaunchPad. Click Utilities, then Console in the icon grid.

Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left. If you don't see that menu, select

View Show Log List

from the menu bar.


Enter the word "Starting" (without the quotes) in the String Matching text field. You should now see log messages with the words "Starting * backup," where * represents any of the words "automatic," "manual," or "standard." Note the timestamp of the last such message that corresponds to an abnormal backup. Now

CLEAR THE WORD "Starting" FROM THE TEXT FIELD

so that all messages are showing, and scroll back in the log to the time you noted. Select the messages timestamped from then until the end of the backup, or the end of the log if that's not clear. Copy them to the Clipboard by pressing the key combination command-C. Paste (command-V) into a reply to this message.

If all you see are messages that contain the word "Starting," you didn't clear the text field.

If there are runs of repeated messages, post only one example of each. Don't post many repetitions of the same message.

When posting a log extract, be selective. Don't post more than is requested.

Please do not indiscriminately dump thousands of lines from the log into this discussion.


Some personal information, such as the names of your files, may be included — anonymize before posting.

Mar 27, 2014 10:10 AM in response to Linc Davis

The sam problem here. Large 6GB backups, no windows installation ... tried trashing .plist + fresh backup.


After two days same problem.


Did fresh Mavericks instalation with new SSD ... after two days again 6 GB TM backups?


I have late 2008 iMac 24".



Here is mine:

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27/03/14 17:56:11,305 com.apple.backupd[3264]: Starting manual backup

27/03/14 17:56:14,024 com.apple.backupd[3264]: Backing up to /dev/disk1s2: /Volumes/500TB/Backups.backupdb

27/03/14 17:56:16,474 com.apple.backupd[3264]: Will copy (7,94 GB) from Macintosh HD

27/03/14 17:56:16,475 com.apple.backupd[3264]: Found 373 files (7,94 GB) needing backup

27/03/14 17:56:16,479 com.apple.backupd[3264]: 10,47 GB required (including padding), 235,74 GB available

27/03/14 17:57:41,483 firefox[2901]: CGSNewCIFilterByName

27/03/14 17:57:41,483 WindowServer[111]: CGXSetCIFilterValues: Invalid filter 0

27/03/14 17:57:41,483 WindowServer[111]: CGXSetWindowFilter: Invalid filter 0

27/03/14 17:57:44,208 firefox[2901]: CGSNewCIFilterByName

27/03/14 17:57:44,208 WindowServer[111]: CGXSetCIFilterValues: Invalid filter 0

27/03/14 17:57:44,209 WindowServer[111]: CGXSetWindowFilter: Invalid filter 0

27/03/14 17:59:37,477 Vox[1050]: BUG in libdispatch client: kevent[EVFILT_VNODE] delete: "Bad file descriptor" - 0x9

27/03/14 18:02:57,764 xpcproxy[3287]: assertion failed: 13C64: xpcproxy + 3438 [D559FC96-E6B1-363A-B850-C7AC9734F210]: 0x2

27/03/14 18:03:06,590 com.apple.backupd[3264]: Copied 584 items (7,93 GB) from volume Macintosh HD. Linked 1200.

27/03/14 18:03:16,000 com.apple.backupd[3264]: Will copy (30 MB) from Macintosh HD

27/03/14 18:03:16,000 com.apple.backupd[3264]: Found 53 files (30 MB) needing backup

27/03/14 18:03:16,001 com.apple.backupd[3264]: 1,04 GB required (including padding), 227,74 GB available

27/03/14 18:03:28,768 com.apple.backupd[3264]: Copied 86 items (29,7 MB) from volume Macintosh HD. Linked 672.

27/03/14 18:03:36,029 com.apple.backupd[3264]: Created new backup: 2014-03-27-180335

27/03/14 18:03:40,076 com.apple.backupd[3264]: Starting post-backup thinning

27/03/14 18:03:40,262 com.apple.backupd[3264]: Error: Error Domain=NSOSStatusErrorDomain Code=-50 "The operation couldn’t be completed. (OSStatus error -50.)" (paramErr: error in user parameter list) deleting backup: /Volumes/500TB/Backups.backupdb/Klemen’s iMac/2014-03-27-175614.inProgress/A792C79F-0EC8-4C02-A0A5-086704D5EE39

27/03/14 18:03:43,289 com.apple.backupd[3264]: Deleted /Volumes/500TB/Backups.backupdb/Klemen’s iMac/2014-03-26-154533 (17,1 MB)

27/03/14 18:03:49,512 com.apple.backupd[3264]: Deleted /Volumes/500TB/Backups.backupdb/Klemen’s iMac/2014-03-26-131447 (6,88 GB)

27/03/14 18:03:49,512 com.apple.backupd[3264]: Post-backup thinning complete: 2 expired backups removed

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Time Machine backups large since Mavericks Update

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