change chunkSizeLim from to 1m to 16m

ChangeLog

@@ -5,6 +5,7 @@
 2023-03-13  Uwe Schulzweida
 
 	* set chunkSizeMin to 256k
+	* change chunkSizeLim from to 1m to 16m
 
 2023-03-02  Uwe Schulzweida
 
@@ -19,7 +20,7 @@
 
 2023-02-05  Uwe Schulzweida
 
-	* changed chunkSizeLim from 16777216 to 1048576
+	* changed chunkSizeLim from 16m to 1m
 	* NetCDF: added query support for grid cells
 
 2023-02-02  Uwe Schulzweida

src/cdf_write.c

@@ -13,7 +13,7 @@
 #include "vlist.h"
 #include "vlist_var.h"
 
-//#include <netcdf_filter.h>
+// #include <netcdf_filter.h>
 
 void
 cdf_def_var_filter(int ncid, int ncvarID, unsigned int id, size_t nparams, const unsigned int *params)
@@ -76,6 +76,9 @@ cdfDefVarSzip(int ncid, int ncvarID, int pixels_per_block)
   if ((status = nc_def_var_szip(ncid, ncvarID, options_mask, pixels_per_block)))
     Error("nc_def_var_szip failed; %s", nc_strerror(status));
 #else
+  (void) ncid;
+  (void) ncvarID;
+  (void) pixels_per_block;
   static bool lwarn = true;
   if (lwarn)
     {
@@ -703,8 +706,8 @@ calc_chunksize(size_t chunkSizeLim, size_t size)
   return chunkSize;
 }
 
-static const size_t chunkSizeMin = 262144;
-static const size_t chunkSizeLim = 1048576;
+static const size_t chunkSizeMin = 262144;    // 256k
+static const size_t chunkSizeLim = 16777216;  // 16m
 
 size_t
 calc_chunksize_y(int chunkType, size_t gridsize, size_t xsize, size_t ysize)