Hi Paul,
The low RAM/CPU resource usage is (just guessing) because this is a I/O
problem. I'm guessing ImageMosaic is reading all your datasets to determine
their bounds. If you look at your disk usage, that will likely be showing
copious amounts of activity.
I thought that the missing shapefile indexes were created when you press "Save"
on the layer, rather than when the server started. It does lock up the Admin
interface, but I think the server may still respond to standard requests that
aren't to that layer. This is all going from memory though, and I may be wrong.
That's for using GeoTiffs, so maybe it's different with GDAL-based datasets.
Incidentally, why are you switching to ECW from GeoTiff? GeoTiff should
generally be faster for GeoServer.
Cheers,
Jonathan
---- On Mon, 03 Apr 2017 15:17:45 +0100 Paul
Wittle<p.wit...@dorsetcc.gov.uk> wrote ----
Hello,
I’ve been rebuilding some of my image mosaic layers to use ECW instead of
GeoTiff. Given that the files are different I figured it might be a good idea
to rebuild the shapefile indexes and as such I deleted the old files.
Now, I then restarted the server and it detected that the index was missing.
It therefore correctly sets about creating the shapefile but whilst this
happens the server is unable to load. Given the number of files it seems to be
taking a long time and we noticed that the CPU it uses is tiny. Would I be
correct in assuming that the server is really just running a GDAL process and
this is why it is unable to use more of the available resources?
We do have a lot of unused CPU and RAM at that point.
Secondly, assuming that it is an external process; wouldn’t it be better to
just disable the store and continue loading the server?
This would mean that the user can then go and edit the store (which would set
the process running anyway). The advantage being that the server can be used by
the other users whilst the process is running given that it uses so little
resource anyway.
Thanks,
Paul
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