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MariaDB server is a community developed fork of MySQL server. Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliver the most featureful, stable, and sanely licensed open SQL server in the industry.
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Bradley C. Kuszmaul 015bc27f2f Don't be wasteful when splitting brt leaves. Fixes #294. 
This makes big difference for space (46% smaller) and a small time difference (5% faster), as measured by benchmark-test.

Before:
{{{
$ ./benchmark-test
nodesize=1048576
keysize=8
valsize=8
Serial and random insertions of 1048576 per batch
serial  8.753964s   119783/s    random  5.640094s   185915/s    cumulative 14.394118s   145695/s
serial  9.381472s   111771/s    random  7.325284s   143145/s    cumulative 31.100944s   134861/s
serial  9.859233s   106355/s    random  6.734307s   155707/s    cumulative 47.694553s   131911/s
serial 11.069200s    94729/s    random  6.885863s   152280/s    cumulative 65.649695s   127778/s
Shutdown  4.636875s
Total time 70.286611s for 8388608 insertions =   119349/s
$ ls -l sinsert.brt
-rwxrwxr-x 1 bradley bradley 730344924 Jan 22 11:47 sinsert.brt
}}}

After:
{{{
$ ./benchmark-test
nodesize=1048576
keysize=8
valsize=8
Serial and random insertions of 1048576 per batch
serial  8.521855s   123046/s    random  5.730942s   182967/s    cumulative 14.252861s   147139/s
serial  9.106047s   115152/s    random  7.001765s   149759/s    cumulative 30.360740s   138149/s
serial  9.543696s   109871/s    random  6.651000s   157657/s    cumulative 46.555503s   135139/s
serial 10.627035s    98671/s    random  6.555884s   159944/s    cumulative 63.738491s   131610/s
Shutdown  2.818513s
Total time 66.557042s for 8388608 insertions =   126036/s
$ ls -l sinsert.brt
-rwxrwxr-x 1 bradley bradley 396894480 Jan 22 11:45 sinsert.brt
}}}



git-svn-id: file:///svn/tokudb@1798 c7de825b-a66e-492c-adef-691d508d4ae1
2008-01-22 16:27:54 +00:00
bdb-examples Add copyrights using #ident in the buildheader and db-benchmark-test and loadsome and bdb-examples dirs. Addresses #54. 2007-11-29 14:27:42 +00:00
buildheader add DB_TXN_NOWAIT to fix builds 2008-01-22 15:42:54 +00:00
cxx increase test coverage. addresses #277 2008-01-16 18:59:36 +00:00
db-benchmark-test make build-coverage. addresses #277 2008-01-18 14:43:32 +00:00
db-benchmark-test-cxx make build-coverage. addresses #277 2008-01-18 14:43:32 +00:00
include Added DB_LOCK_NOTGRANTED 2008-01-22 00:01:01 +00:00
loadsome Add copyrights using #ident in the buildheader and db-benchmark-test and loadsome and bdb-examples dirs. Addresses #54. 2007-11-29 14:27:42 +00:00
man Improve accuracy of put documentation. Addresses #52. 2007-12-18 19:50:09 +00:00
newbrt Don't be wasteful when splitting brt leaves. Fixes #294. 2008-01-22 16:27:54 +00:00
pma Rename 2007-07-13 19:37:47 +00:00
src Addresses #292 2008-01-22 00:35:06 +00:00
src-bdbwrap Do subtransactions properly (without an fsync) 2007-10-19 17:05:10 +00:00
utils add test-coverage target addresses #277 2008-01-21 14:03:46 +00:00
Makefile make test-coverage addresses #277 2008-01-21 15:46:12 +00:00