Why do I have so many log files?

I ran GrandPerspective on my iMac because my HD is pretty much full and it shows me that I have about 140 gigs of log files (about 380 files x 365 megs). That's half my HD. Why do I have so many? Can I delete them and how? I ran Onyx and Cocktail but they are still there. They are all in the private/var/log/asl directory.
Thanks

Yes you can delete them, but you will be asked to authenticate to do so. And it is possible that they will simply start being created all over again. This can be the result of either of two things:
1. The asl log process itself is having a problem (it is so prone to problems that I have not updated my working drive to 10.5.6, but decided to stay at 10.5.5; I have an extremely clean install of 10.5.6 on another drive)
2. You have some other process that is going mad and sending out continuous log notes
For the second problem try launching Console from your Utilities folder and take a look a look at the Console log, watch it in real time and see if there are constant messages appearing, and what is sending them. Then you can start figuring out what needs to be fixed. For instance, one fairly common problem involved software installed by Canon for one of their popular scanners which constantly, several times a second, sent an error message. There are many other possible sources for such a problem.
For problems caused by asl itself, see:
http://discussions.apple.com/thread.jspa?threadID=1831184
http://www.powerpage.org/2009/01/how-topreventing_the_asl_manager_from_overrunning_thecpu.html
If you do a Google search on ASL you'll find many similar reports.
Francine
Francine
Schwieder

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Why do I have so many "backup" files?

I recently caved and bought Pages for iOS to use on my iPhone, and hopefully an iPad in the coming weeks. However, I've noticed that for each of the roughly 40 documents I have saved in iCloud, on my phone I see files for both "XYZ" and "Backup of XYZ". Is this normal or not? What can I do to get rid of these files while still having access to Versions for the documents when I am on my Macbook?

Yes you can delete them, but you will be asked to authenticate to do so. And it is possible that they will simply start being created all over again. This can be the result of either of two things:
1. The asl log process itself is having a problem (it is so prone to problems that I have not updated my working drive to 10.5.6, but decided to stay at 10.5.5; I have an extremely clean install of 10.5.6 on another drive)
2. You have some other process that is going mad and sending out continuous log notes
For the second problem try launching Console from your Utilities folder and take a look a look at the Console log, watch it in real time and see if there are constant messages appearing, and what is sending them. Then you can start figuring out what needs to be fixed. For instance, one fairly common problem involved software installed by Canon for one of their popular scanners which constantly, several times a second, sent an error message. There are many other possible sources for such a problem.
For problems caused by asl itself, see:
http://discussions.apple.com/thread.jspa?threadID=1831184
http://www.powerpage.org/2009/01/how-topreventing_the_asl_manager_from_overrunning_thecpu.html
If you do a Google search on ASL you'll find many similar reports.
Francine
Francine
Schwieder

I just transferred "all movies" to "My Passport" hard drive. Several images of the same clips appear. Is each image a valid clip? Why do I have so many?

I just transferred "all movies" to "My Passport" hard drive. Several images of the same clips appear. Is each image a valid clip? Why do I have so many?

Okay. Trash the stuff on the External Drive.
All Movies is not a place - it's a list. Specifically its a list of all the movies on your Mac. Never interact with anything in iPhoto via these All Movies or All Images lists.
In iPhoto select the Movies you want to move and go File -> Export. Set the Kind: to Original and export from iPhoto to this external drive.
Then once you're sure the export has gone correctly, erase them from iPhoto.
Regards
TD

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When you enable file sharing you need to have either SMB (Windows) or AFP (historically Apple-native) file sharing checked. The default in Mavericks is SMB, and not AFP.
If you uncheck both, then the system will turn off file sharing. Apple supports the use of both SMB and AFP connections in Mavericks, so with only AFP enabled you should have been able to establish a connection, but there could be a small bug or configuration-specific snafu that you're encountering.
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How do look if i have Standby Redo Log files

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example of creating them..

To check existence of Standby Redo Log Files:
SQL> v$standby_log
Name                                      Null?    Type
----------------------------------------- -------- ---------------------------- GROUP#                                             NUMBER
DBID                                               VARCHAR2(40)
THREAD#                                            NUMBER
SEQUENCE#                                          NUMBER
BYTES                                              NUMBER
USED                                               NUMBER
ARCHIVED                                           VARCHAR2(3)
STATUS                                             VARCHAR2(10)
FIRST_CHANGE#                                      NUMBER
FIRST_TIME                                         DATE
LAST_CHANGE#                                       NUMBER
LAST_TIME                                          DATE
SQL> select * from v$standby_log;
no rows selected
SQL>To Create a Standby Redo Log file:
SQL> alter database add standby logfile group 11 ('/u01/app/test.log') size 5m;
Database altered.
SQL> set line 10000
SQL> select * from v$standby_log;
    GROUP# DBID                                        THREAD# SEQUENCE#      BYTES       USED ARC STATUS     FIRST_CHANGE# FIRST_TIM LAST_CHANGE# LAST_TIME
        11 UNASSIGNED                                        0          0    5242880        512 YES UNASSIGNED              0                      0
SQL>and this is how you drop:
SQL> alter database drop standby logfile group 11;
Database altered.
SQL> ! rm /u01/app/test.log
SQL>Asif Momen
http://momendba.blogspot.com
Edited by: Asif Momen on Mar 16, 2010 1:32 PM
Included DROP example

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If I look at all my photos on my iMac, I don't see any duplicates either.
Why do I have so many duplicates on my iPad (so I donb't do this again!) and is there a way to easily remove them (if I do happen to cause the duplication again!) ?
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Feedback

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What have "Too many open Files" to do with FIFOs?

Hi folks.
I've just finished a middleware service for my company, that receives files via a TCP/IP connection and stores them into some cache-directory. An external program gets called, consumes the files from the cache directory and puts a result-file there, which itself gets sent back to the client over TCP/IP.
After that's done, the cache file (and everything leftover) gets deleted.
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These threads are supposed to die when the request is done.
All works fine, cache files get deleted, threads die when they should, the files get consumed by the external program as expected and so on.
BUT (there's always a butt;) to migrate from an older solution, the old data gets fed into the new system, creating about 5 to 8 requests a second.
After a time of about 20-30 minutes, the service drops out with "IOException: Too many open files" on the very line where the external program gets called.
I sweeped through my code, seeking to close even the most unlikely stream, that gets opened (even the outputstreams of the external process ;) but the problem stays.
Things I thought about:
- It's the external program: unlikely since the lsof-command (shows the "list of open files" on Linux) says that the open files belong to java processes. Having a closer look at the list, I see a large amount of "FIFO" entries that gets bigger, plus an (almost) constant amount of "normal" open file handles.
So perhaps the handles get opened (and not closed) somehwere else and the external program is just the drop that makes the cask flood over.
- Must be a file handle that's not closed: I find only the "FIFO" entries to grow. Yet I don't really know what that means. I just think it's something different than a "normal" file handle, but maybe I'm wrong.
- Must be a socket connection that's not closed: at least the client that sends requests to the middleware service closes the connection properly, and I am, well, quite sure that my code does it as well, but who knows? How can I be sure?
That was a long description, most of which will be skipped by you. To boil it down to some questions:
1.) What do the "FIFO" entries of the lsof-command under Linux really mean ?
2.) How can I make damn sure that every socket, stream, filehandle etc. pp. is closed when the worker thread dies?
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Tom

Thanks for the quick replies.
@BIJ001:
ls -l /proc/<PID>/fdGives the same information as lsof does, namely a slowly but steadily growing amount of pipes
fuserDoesn't output anything at all
Do you make exec calls? Are you really sure stdout and stderr are consumed/closed?Well, the external program is called by
Process p = Runtime.getRuntime().exec(commandLine);and the stdout and stderr are consumed by two classes that subclass Thread (named showOutput) that do nothing but prepending the corresponding outputs with "OUT:" and "ERR" and putting them into a log.
Are they closed? I hope so: I call the showOutput's halt method, that should eventually close the handles.
@sjasja:
Sounds like a pipe.Thought so, too ;)
Do you have the waitFor() in there?Mentioning the waitFor():
my code looks more like:
try {
     p = Runtime.getRuntime.exec(...);
     outshow = new showOutput(p.getInputStream(), "OUT").start;
     errshow = new showOutput(p.getErrorStream(), "ERR").start;
     p.waitFor();
} catch (InterruptedException e) {
     //can't wait for process?
     //better go to sleep some.
     log.info("Can't wait for process! Going to sleep 10sec.");
     try{ Thread.sleep(10000); } catch (InterruptedException ignoreMe) {}
} finally {
     if (outShow!=null) outShow.halt();
     if (errShow!=null) errShow.halt();
/**within the class showOutput:*/
/**This method gets called by showOutput's halt:*/
public void notifyOfHalt() {
     log.debug("Registered a notification to halt");
     try {
          myReader.close(); //is initialized to read from the given InputStream
     } catch (IOException ignoreMe) {}
}Seems as if the both of you are quite sure that the pipes are actually created by the exec command and not closed afterwards.
Would you deem it unlikely that most of the handles are opened somewhere else and the exec command is just the final one that crashes the prog?
That's what I thought.
Thanks for your time
Tom

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Jamie

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Batch
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Cryptograph Operators
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Distributed COM Users
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Everyone
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HomeUsers
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INTERACTIVE
IUSR
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Local Account and Member of Administrators Group
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Why do I have so many log files?

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