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From stef...@apache.org
Subject svn commit: r1726053 - /subversion/trunk/subversion/libsvn_fs_x/temp_serializer.c
Date Thu, 21 Jan 2016 18:34:16 GMT
Author: stefan2
Date: Thu Jan 21 18:34:16 2016
New Revision: 1726053

URL: http://svn.apache.org/viewvc?rev=1726053&view=rev
Log:
* subversion/libsvn_fs_x/temp_serializer.c
  (serialize_dir): Give a better estimate for the size of serialized dir in
                   FSX.  Don't forget that this is still only the initial
                   buffer size and will be auto-resized if necessary.

Modified:
    subversion/trunk/subversion/libsvn_fs_x/temp_serializer.c

Modified: subversion/trunk/subversion/libsvn_fs_x/temp_serializer.c
URL: http://svn.apache.org/viewvc/subversion/trunk/subversion/libsvn_fs_x/temp_serializer.c?rev=1726053&r1=1726052&r2=1726053&view=diff
==============================================================================
--- subversion/trunk/subversion/libsvn_fs_x/temp_serializer.c (original)
+++ subversion/trunk/subversion/libsvn_fs_x/temp_serializer.c Thu Jan 21 18:34:16 2016
@@ -259,6 +259,9 @@ serialize_dir(svn_fs_x__dir_data_t *dir,
                            * sizeof(svn_fs_x__dirent_t*);
   apr_size_t lengths_len = (count + over_provision) * sizeof(apr_uint32_t);
 
+  /* Estimate the size of a directory entry + its name. */
+  enum { ENTRY_SIZE = sizeof(svn_fs_x__dirent_t) + 32 };
+
   /* copy the hash entries to an auxiliary struct of known layout */
   dir_data.count = count;
   dir_data.txn_filesize = dir->txn_filesize;
@@ -274,7 +277,8 @@ serialize_dir(svn_fs_x__dir_data_t *dir,
    * estimate for the size of the buffer that we will need. */
   context = svn_temp_serializer__init(&dir_data,
                                       sizeof(dir_data),
-                                      50 + count * 100 + entries_len,
+                                      50 + count * ENTRY_SIZE
+                                         + entries_len + lengths_len,
                                       scratch_pool);
 
   /* serialize entries references */



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