[ka-Map-users] Error with precache

Stephen Woodbridge woodbri at swoodbridge.com
Mon Dec 7 15:52:06 EST 2009

Bistrais, Bob wrote:
> Thanks Steve.  I should've mentioned, though, I'm on a Windows server
> and don't have the touch command available. 

Just try to create a simple file with notepad and save it there will do 
the same thing. All the test does is validate that you can actually 
create additional files there or not.

I'm guessing that you are probably running into the later problem that I 
mentioned if you are trying to tile a large areas or lots of tiles in a 
single command.


> -----Original Message-----
> From: Stephen Woodbridge [mailto:woodbri at swoodbridge.com] 
> Sent: Monday, December 07, 2009 11:39 AM
> To: Bistrais, Bob
> Cc: ka-map-users at lists.maptools.org
> Subject: Re: [ka-Map-users] Error with precache
> Bistrais, Bob wrote:
>> I am trying to build precached tiles for several ka-map applications.
>> For the most part it has gone well, but for some scales I am getting 
>> error messages.  The precache.php program appears to run well, then I 
>> get the following:
>> Trouble:
>>   199080 errors encountered
>>   Report [a]ll, [l]ast, [n]one?
>> So if I report the last error, the message is:
>> Failed to open stream http://localhost/.../tile.php 
>> <http://localhost/.../tile.php> 
>> s=3000&t=-488192&l=632832&map=gmap&g=my+group
>> There is plenty of disk storage space available and I don't think I'm 
>> overstressing the server.  What does this error mean, and how do I get
>> around it?
> 1) Check that you have not run out of inodes on the disk.
> cd /path/to/cache
> touch junk         # if this fails you have run out of inodes
> rm junk
> while df might report that there is still space on the disk, if you do
> not have anymore inodes then you can not allocate that space for files
> and your disk is full regardless of space.
> 2) A few years ago when I was using precache.php, there were problems
> with it leaking file some kind of resource that was file related, may be
> file handles. Anyway I could not figure it out and change my strategy to
> tile a few rows, then exit and then ran it for each set of rows needed
> until it was done. This allow the precache.php to run then exit before
> it had problems and allow me to continue processing without having to
> restart from the beginning. I think I probably had to change the script
> to make it do that.
> Hope this helps,
>    -Steve W

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