[Landsat-pds] Status

[Frank Warmerdam]

Folks,

OK, I now have the pull from usgs and queue in S3 job running every two
hours (for two hours) on our job system.  At the beginning of each job it
processes the previous run's queued scenes in parallel (usually 200-400),
then builds index files, then pulls scenes from usgs until the job times
out (2 hour limit).

So we should see the catalog fill out automatically, though the slowness
and 503's of the USGS download service are pretty frustrating to me.
Incidentally we try to run up to 6 of the puller jobs.  They also now do 4
retries with exponential backoff on 503's.

If MapBox has the scene .gz files still sitting around for some of January,
I'd be interested in us side-loading missing ones into the input queue. If
Amit or something is interested in that we could do a little push on it in
person now that we (Planet Labs) are just down the street.

Also, I added a small job (tree_index_maker.py) to build very simple index
files so we can more easily walk the tree in the web browser.  If anyone
knows a way of auto-indexing instead of rebuilding these every two hours,
I'd be interested in hearing.

See:

  https://s3-us-west-2.amazonaws.com/landsat-pds/L8/index.html

Also, thanks to Charlie for the improved thumbnail generation PR, it has
been merged and deployed though old ones aren't regenerated automatically.

Lastly, I'd like us to setup a wiki or markup based web site for our effort
when I can start documenting things and we can describe the effort.  Should
I just start writing markdown docs in the git repo for the ingestor?  Or
what?

Best regards,
-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam,
warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | Geospatial Software Developer
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