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| author | unknown <monty@hundin.mysql.fi> | 2002-10-13 23:42:37 +0300 |
|---|---|---|
| committer | unknown <monty@hundin.mysql.fi> | 2002-10-13 23:42:37 +0300 |
| commit | 61632073ac9473e00d5e0c88078880d3af575828 (patch) | |
| tree | 3cc59185e6ff0b8119c4cf1fa01af1f80c80c7c5 /Docs/manual.texi | |
| parent | 8926c0bc3817150d00a1906e07a6e6b469c4c696 (diff) | |
| download | mariadb-git-61632073ac9473e00d5e0c88078880d3af575828.tar.gz | |
Allocate HEAP blocks in smaller blocks to get better memory utilization and more speed when used with safemalloc.
Don't initalize memory areas when run with --skip-safemalloc.
Docs/manual.texi:
ChangeLog
heap/heapdef.h:
Allocate HEAP blocks in smaller blocks to get better memory utilization and more speed when used with safemalloc.
heap/hp_open.c:
Allocate HEAP blocks in smaller blocks to get better memory utilization and more speed when used with safemalloc.
mysys/safemalloc.c:
Don't initalize memory areas when run with --skip-safemalloc.
This can in some cases increase speed with 20 times when debugging
Diffstat (limited to 'Docs/manual.texi')
| -rw-r--r-- | Docs/manual.texi | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Docs/manual.texi b/Docs/manual.texi index 21bab5ea6e4..86b19c0ff33 100644 --- a/Docs/manual.texi +++ b/Docs/manual.texi @@ -46929,10 +46929,12 @@ not yet 100% confident in this code. @node News-3.23.54, News-3.23.53, News-3.23.x, News-3.23.x @appendixsubsec Changes in release 3.23.54 @itemize +@item Fixed reference to freed memory when doing complicated @code{GROUP BY ... ORDER BY} queries. Symptom was that @code{mysqld} died in function @code{send_fields}. -queries. +@item +Allocate heap rows in smaller blocks to get better memory usage. @end itemize @node News-3.23.53, News-3.23.52, News-3.23.54, News-3.23.x |