html_url,issue_url,id,node_id,user,created_at,updated_at,author_association,body,reactions,performed_via_github_app,issue https://github.com/pydata/xarray/issues/2912#issuecomment-485505651,https://api.github.com/repos/pydata/xarray/issues/2912,485505651,MDEyOklzc3VlQ29tbWVudDQ4NTUwNTY1MQ==,2014301,2019-04-22T18:32:30Z,2019-04-22T18:36:38Z,NONE,"## Diagnosis Thank you very much! I found this. For now, I will use the load() option. ### Loading netCDFs ``` In [8]: time ncdat=reformat_LIS_outputs(outlist) CPU times: user 7.78 s, sys: 220 ms, total: 8 s Wall time: 8.02 s ``` ### Slower export ``` In [6]: time ncdat.to_netcdf('test_slow') CPU times: user 12min, sys: 8.19 s, total: 12min 9s Wall time: 12min 14s ``` ### Faster export ``` In [9]: time ncdat.load().to_netcdf('test_faster.nc') CPU times: user 42.6 s, sys: 2.82 s, total: 45.4 s Wall time: 54.6 s ``` ","{""total_count"": 9, ""+1"": 5, ""-1"": 0, ""laugh"": 1, ""hooray"": 1, ""confused"": 0, ""heart"": 1, ""rocket"": 1, ""eyes"": 0}",,435535284 https://github.com/pydata/xarray/issues/2623#issuecomment-449217260,https://api.github.com/repos/pydata/xarray/issues/2623,449217260,MDEyOklzc3VlQ29tbWVudDQ0OTIxNzI2MA==,2014301,2018-12-21T02:13:51Z,2018-12-21T02:13:51Z,NONE,"Arrgh. You're right. Updated Pandas and Numpy and the error went away. Thanks a lot! ","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,392816513 https://github.com/pydata/xarray/issues/2623#issuecomment-449213052,https://api.github.com/repos/pydata/xarray/issues/2623,449213052,MDEyOklzc3VlQ29tbWVudDQ0OTIxMzA1Mg==,2014301,2018-12-21T01:57:51Z,2018-12-21T01:57:51Z,NONE,"Here it is: ``` xarray.Dataset { dimensions: hru = 17 ; time = 233 ; variables: int64 hru(hru) ; datetime64[ns] time(time) ; float64 pptrate(time, hru) ; pptrate:long_name = precipitation rate (instant) ; pptrate:units = kg m-2 s-1 ; int64 hruId(hru) ; hruId:long_name = ID defining the hydrologic response unit (instant) ; hruId:units = - ; float64 averageInstantRunoff(time, hru) ; int32 nSnow(time, hru) ; nSnow:long_name = number of snow layers (instant) ; nSnow:units = - ; int32 nSoil(time, hru) ; nSoil:long_name = number of soil layers (instant) ; nSoil:units = - ; int32 nLayers(time, hru) ; nLayers:long_name = total number of layers (instant) ; nLayers:units = - ; // global attributes: :summaVersion = v2.0.0 ; :buildTime = Mon Mar 26 17:11:28 MDT 2018 ; :gitBranch = develop-0-gcbbec4a ; :gitHash = cbbec4a639446a285366339f0a2a9680c7df1ed4 ; :soilStress = NoahType ; :stomResist = BallBerry ; :num_method = itertive ; :fDerivMeth = analytic ; :LAI_method = monTable ; :f_Richards = mixdform ; :groundwatr = bigBuckt ; :hc_profile = constant ; :bcUpprTdyn = nrg_flux ; :bcLowrTdyn = zeroFlux ; :bcUpprSoiH = liq_flux ; :bcLowrSoiH = drainage ; :veg_traits = CM_QJRMS1988 ; :canopyEmis = difTrans ; :snowIncept = lightSnow ; :windPrfile = logBelowCanopy ; :astability = louisinv ; :canopySrad = BeersLaw ; :alb_method = varDecay ; :snowLayers = CLM_2010 ; :compaction = anderson ; :thCondSnow = jrdn1991 ; :thCondSoil = funcSoilWet ; :spatial_gw = localColumn ; :subRouting = timeDlay ; :notPopulatedYet = notPopulatedYet ; }None ```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,392816513 https://github.com/pydata/xarray/issues/2623#issuecomment-449167848,https://api.github.com/repos/pydata/xarray/issues/2623,449167848,MDEyOklzc3VlQ29tbWVudDQ0OTE2Nzg0OA==,2014301,2018-12-20T23:13:43Z,2018-12-20T23:13:43Z,NONE,"@shoyer Thank you! Here it is: ``` Traceback (most recent call last): File ""./concat.py"", line 38, in ncconcat.to_netcdf(os.path.join(ncdir, finalfile), 'w') File ""/glade/u/home/manab/anaconda3/lib/python3.6/site-packages/xarray/core/dataset.py"", line 1222, in to_netcdf compute=compute) File ""/glade/u/home/manab/anaconda3/lib/python3.6/site-packages/xarray/backends/api.py"", line 718, in to_netcdf unlimited_dims=unlimited_dims) File ""/glade/u/home/manab/anaconda3/lib/python3.6/site-packages/xarray/backends/api.py"", line 761, in dump_to_store unlimited_dims=unlimited_dims) File ""/glade/u/home/manab/anaconda3/lib/python3.6/site-packages/xarray/backends/common.py"", line 261, in store variables, attributes = self.encode(variables, attributes) File ""/glade/u/home/manab/anaconda3/lib/python3.6/site-packages/xarray/backends/common.py"", line 347, in encode variables, attributes = cf_encoder(variables, attributes) File ""/glade/u/home/manab/anaconda3/lib/python3.6/site-packages/xarray/conventions.py"", line 573, in cf_encoder for k, v in iteritems(variables)) File ""/glade/u/home/manab/anaconda3/lib/python3.6/site-packages/xarray/conventions.py"", line 573, in for k, v in iteritems(variables)) File ""/glade/u/home/manab/anaconda3/lib/python3.6/site-packages/xarray/conventions.py"", line 235, in encode_cf_variable var = coder.encode(var, name=name) File ""/glade/u/home/manab/anaconda3/lib/python3.6/site-packages/xarray/coding/times.py"", line 395, in encode encoding.pop('calendar', None)) File ""/glade/u/home/manab/anaconda3/lib/python3.6/site-packages/xarray/coding/times.py"", line 365, in encode_cf_datetime num = (pd.DatetimeIndex(dates.ravel()) - ref_date) / time_delta File ""/glade/u/home/manab/anaconda3/lib/python3.6/site-packages/pandas/core/indexes/base.py"", line 3885, in invalid_op ""{typ}"".format(name=name, typ=type(self))) TypeError: cannot perform __truediv__ with this index type: ```","{""total_count"": 0, ""+1"": 0, ""-1"": 0, ""laugh"": 0, ""hooray"": 0, ""confused"": 0, ""heart"": 0, ""rocket"": 0, ""eyes"": 0}",,392816513