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Kirill Smelkov
mariadb
Commits
ef7d9429
Commit
ef7d9429
authored
Feb 07, 2005
by
tomas@poseidon.ndb.mysql.com
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Merge tulin@bk-internal.mysql.com:/home/bk/mysql-4.1
into poseidon.ndb.mysql.com:/home/tomas/mysql-4.1
parents
a2ca134d
6bbaeed5
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sql/ha_ndbcluster.cc
sql/ha_ndbcluster.cc
+10
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sql/ha_ndbcluster.cc
View file @
ef7d9429
...
...
@@ -3513,18 +3513,23 @@ static void ndb_set_fragmentation(NDBTAB &tab, TABLE *form, uint pk_length)
uint
no_fragments
;
{
#if MYSQL_VERSION_ID >= 50000
uint
acc_row_size
=
25
+
2
;
uint
acc_row_size
=
25
+
/*safety margin*/
2
;
#else
uint
acc_row_size
=
pk_length
*
4
;
/* add acc overhead */
if
(
pk_length
<=
8
)
acc_row_size
+=
25
+
2
;
/* main page will set the limit */
else
acc_row_size
+=
4
+
4
;
/* overflow page will set the limit */
if
(
pk_length
<=
8
)
/* main page will set the limit */
acc_row_size
+=
25
+
/*safety margin*/
2
;
else
/* overflow page will set the limit */
acc_row_size
+=
4
+
/*safety margin*/
4
;
#endif
ulonglong
acc_fragment_size
=
512
*
1024
*
1024
;
ulonglong
max_rows
=
form
->
max_rows
;
#if MYSQL_VERSION_ID >= 50100
no_fragments
=
(
max_rows
*
acc_row_size
)
/
acc_fragment_size
+
1
;
#else
no_fragments
=
((
max_rows
*
acc_row_size
)
/
acc_fragment_size
+
1
+
1
/*correct rounding*/
)
/
2
;
#endif
}
{
uint
no_nodes
=
g_ndb_cluster_connection
->
no_db_nodes
();
...
...
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