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3answers
26 views

Apache / PHP Begins to Deny SQL Requests after about 2000

We have a web page on our server that we use to run administrative scripts. For example, we might run the script "unenrolStudents()" which runs 5,000 SQL SET commands one after another and sets 5000 ...
1
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2answers
262 views

Shared block device file system (cluster file system without networking)

Is there any file system that can be mounted multiple times and supports concurrent file access for Linux? Basically I want something like a cluster file system but without the need to have a running ...
2
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1answer
2k views

Windows Server 08 R2 file share File locking, OSX clients

I've spent the last two weeks banging my head against this wall. I think I'm starting to understand the problem though. I manage a design company and they have 5 macs (OSX 10.5/.6/.7) connected over ...
1
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1answer
39 views

lockfile-touch terminating intermittently

I'm having some problems with a bit of script I'm using for making sure a script isn't running twice. I've been using this for quite some time without much problems, but it is giving me trouble on a ...
1
vote
1answer
283 views

Simple locking daemon with API for PHP (or just simple API)?

I am looking for a simple locking daemon which listens for clients over TCP and processes locking requests. I need to synchronize parallel PHP processes at MULTIPLE machines. E.g. one machine may say ...
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1answer
37 views

Trouble overwritting a locked EXE

Running into an issue that I've been banging my head against for a while now. We use a shared executable located on a network share. It's an in house system and we occasionally update it. Recently we ...
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1answer
278 views

Locking problem with SVN 64bit

We are using SubVersion to manage a big project, every one normally has to lock a file before to modify it, but on some new machine with Window 7 and SVN 64 bit also with this directive in the config ...
0
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1answer
113 views

What privilege level is required on a Windows client workstation on an ActiveDomain to break file locks?

I'm not sure if I should be asking this here or on StackOverflow, but here goes: I'm part of a team maintaining a document management application, and I'm trying to figure out Windows file locking ...
3
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0answers
202 views

How can I test whether fcntl() locks work with my NFS setup?

From the SQLite FAQ: Can multiple applications or multiple instances of the same application access a single database file at the same time? … SQLite uses reader/writer locks to ...
2
votes
0answers
193 views

Linux NFS server refuses blocking locks

So I have this problem. This horrible, awful problem. I have a set of Linux NFS servers (in a NFS/CIFS cluster using CTDB) that refuse locks… only when the lock is blocking. If it's a non-blocking ...
1
vote
0answers
17 views

how to determine which process/thread holds the flock

When one or more processes/threads do an flock, how to determine who is currently holding the lock. 'fuser' on the file shows all the threads holding and waiting for the lock, not just the one who is ...
0
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0answers
1k views

Lockfile creation failed

I got a plain-text logfile (not lock file) in /var/log what I cannot open with: lockfile creation failed: exceeded maximum number of lock attempts I wonder what causes this and how can I unlock it ...
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0answers
178 views

Excel file on Windows client, is it possible to allow another user read-only if the file is already open?

I have a spreadsheet on a Windows 2003 R2 server. The clients are all Windows 7 using Excel 2010. If a remote user opens the spreadsheet first then any other "local" user gets access denied if they ...