[pdal] pipeline with EPT

[Kirk Waters - NOAA Federal]

I'm trying to run a pipeline with EPT as the input and I'm seeing it use a
lot of memory. Am I doing something wrong here?
pipeline:
[
{
"type": "readers.ept",
"filename": "
https://s3-us-west-2.amazonaws.com/usgs-lidar-public/SC_SavannahPeeDee_7_2019/ept.json
",
"tag": "input_SC_SavannahPeeDee_7_2019",
"bounds": "([2300253.0, 2316273.0], [366099.0, 382119.0])/EPSG:2273"
},
{
"filename": "point_peedee7.las",
"type": "writers.las",
"forward": "all",
"minor_version":4
}
]

It pulls about 400 million points and uses over 20G of RAM while doing it
(based on watching top). That's in the ballpark of reading all the points
into memory. Is there something different I should be doing? Did I miss an
option? Running PDAL version 2.6.3.

Thanks,
Kirk Waters, PhD
NOAA Office for Coastal Management
Applied Sciences Program
coast.noaa.gov/digitalcoast
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