Increased buffer sizes by a factor of 4

git-svn-id: http://svn.savannah.nongnu.org/svn/rdiff-backup@650 2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109

trunk/rdiff-backup/CHANGELOG

@@ -5,6 +5,9 @@ Refactored fs_abilities for more flexibility.  In particular, avoid
 quoting if both source and destination file systems are
 case-insensitive.
 
+Increased buffer sizes by factor of 4, because everyone probably has 4
+times as much RAM now as when I originally picked those values.
+
 When possible, fsync using a writable file descriptor.  This may help
 with cygwin.  (Requested/tested by Dave Kempe.)
 

trunk/rdiff-backup/rdiff_backup/Globals.py

@@ -30,12 +30,12 @@ version = "$version"
 current_time = None
 
 # This determines how many bytes to read at a time when copying
-blocksize = 32768
+blocksize = 131072
 
 # This is used by the BufferedRead class to determine how many
 # bytes to request from the underlying file per read().  Larger
 # values may save on connection overhead and latency.
-conn_bufsize = 98304
+conn_bufsize = 393216
 
 # This is used in rorpiter.CacheIndexable.  The number represents the
 # number of rpaths which may be stuck in buffers when moving over a