kMS MemoryError

[viralp]

Hi,

I am getting the following error while using kMS.py on MeerKAT data on Rhodes ike server.

===================] 100% - Make model grids........... 132/132 [==================================================] 100% - 8'08"

• 12:53:32 - AsyncProcessPool | Make model grids: 132 jobs complete, average single-core time 28.97s per job
• 12:53:39 - ClassImageSM | Make the solution-directions to gridmachine mapping
• 14:36:06 - ClassImageSM | There are 4 non-zero directions
• 14:37:27 - ClassWeighting | Weighting in Briggs mode
• 14:37:28 - ClassWeighting | Calculating imaging weights with Robust=0.0 on an [477,477] grid
• 14:41:52 - ClassVisServer | Min weight is 0.000000 max is 4.244273
• 14:42:17 - ClassVisServer | Reading next data chunk in [ 0.00, 3.86] hours (column CORRECTED_DATA)
• 14:45:09 - ClassMS | Data has only two polarisation, adapting shape
• 14:45:09 - killMS | Traceback (most recent call last):
  File "/vault-ike/parekh/killMS/killMS/kMS.py", line 1197, in
  main(OP=OP,MSName=MSName)
  File "/vault-ike/parekh/killMS/killMS/kMS.py", line 628, in main
  Load=VS.LoadNextVisChunk()
  File "/vault-ike/parekh/killMS/killMS/Data/ClassVisServer.py", line 524, in LoadNextVisChunk
  self.DATA_CHUNK=MS.ReadData(t0=self.TimesInt[iT0],t1=self.TimesInt[iT1],ReadWeight=True)
  File "/vault-ike/parekh/killMS/killMS/Data/ClassMS.py", line 547, in ReadData
  data=np.zeros((nrow,nch,4),self.data.dtype)
  MemoryError

Traceback (most recent call last):
File "/vault-ike/parekh/stimela/bin/kMS.py", line 7, in
exec(compile(f.read(), file, 'exec'))
File "/vault-ike/parekh/killMS/killMS/kMS.py", line 1197, in
main(OP=OP,MSName=MSName)
File "/vault-ike/parekh/killMS/killMS/kMS.py", line 628, in main
Load=VS.LoadNextVisChunk()
File "/vault-ike/parekh/killMS/killMS/Data/ClassVisServer.py", line 524, in LoadNextVisChunk
self.DATA_CHUNK=MS.ReadData(t0=self.TimesInt[iT0],t1=self.TimesInt[iT1],ReadWeight=True)
File "/vault-ike/parekh/killMS/killMS/Data/ClassMS.py", line 547, in ReadData
data=np.zeros((nrow,nch,4),self.data.dtype)
MemoryError

/vault-ike/parekh/killMS/killMS/Data/ClassMS.py(547)ReadData()
-> data=np.zeros((nrow,nch,4),self.data.dtype)

Thanks

Cheers,
Viral