Hi Torben,
On Mon, Mar 8, 2010 at 3:57 PM, Torben Dannhauer <[email protected]
> wrote:
> Hi Robert,
>
> There is a mechanism to cap the number of open files? I haven't found this
> option despite my source code dive-in...
>
A quick grep reveals points me at VirtualPlanetBuilder/src/vpb/System.cpp:
str = getenv("VPB_MAXIMUM_NUM_OPEN_DATASETS");
if (str)
{
_maxNumDatasets = atoi(str);
}
So try setting the env var VPB_MAXIMUM_NUM_OPEN_DATASETS to a value
underneath your OS's limits on number of open files. The default value is
set thus:
_maxNumDatasets = (unsigned int)(double(vpb::getdtablesize()) * 0.8);
So it does attempt to look at what your OS is set up to handle, perhaps the
0.8 ratio is overly optimistic, or perhaps part of the VPB setup isn't using
the _maxNumDatasets correctly.
Robert.
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