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From:Tom Lane Date:May 3 2006 2:05am
Subject:serious bloat in mysql 5.0.x
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Has anyone else noticed serious bloat in a lot of the mysql utility
programs from 5.0.18 to 5.0.19?

An example is
-rwxr-xr-x   1 root     root      1166272 Mar 15 14:07 ./usr/bin/mysql_tzinfo_to_sql
vs 5.0.18
-rwxr-xr-x   1 root     root       110880 Feb  9 15:23 ./usr/bin/mysql_tzinfo_to_sql

It looks to me like the culprit is this change

diff -c -r mysql-5.0.18/mysys/my_init.c mysql-5.0.21/mysys/my_init.c
*** mysql-5.0.18/mysys/my_init.c	Wed Dec 21 14:39:25 2005
--- mysql-5.0.21/mysys/my_init.c	Wed Apr 26 14:30:38 2006
*** 152,157 ****
--- 152,158 ----
+   free_charsets();
    if ((infoflag & MY_GIVE_INFO) || print_info)

which causes the *entire* character set support logic and constant
tables to be sucked into everything that calls my_init.

I know disk space is cheap, but bandwidth not so much ... was it
really intentional to bloat these programs an extra megabyte apiece?

The above is probably worst case, since it's from builds with
but I'd think that even the typical "complex" set would be most
of this.

			regards, tom lane
serious bloat in mysql 5.0.xTom Lane3 May
  • Re: serious bloat in mysql 5.0.xLenz Grimmer3 May