mirrors
/
postgres
mirror of https://github.com/postgres/postgres
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Optimize benchmark query and update benchmark's results.

This commit is contained in:
Teodor Sigaev 2005-10-03 14:41:42 +00:00
parent a87174dca1
commit 8c73dfcc8b
2 changed files with 14 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
contrib/intarray/README.intarray
View File

@ -144,21 +144,21 @@ BENCHMARK:
see availbale options.
a)test without RD-Tree (OR)
./bench.pl -d TEST -s 1,2 -v
./bench.pl -d TEST -c -s 1,2 -v
b)test with RD-Tree
./bench.pl -d TEST -s 1,2 -v -r
./bench.pl -d TEST -c -s 1,2 -v -r
BENCHMARKS:
Size of table <message>: 200000
Size of table <message_section_map>: 268538
Size of table <message_section_map>: 269133
Distribution of messages by sections:
section 0: 73899 messages
section 1: 16298 messages
section 50: 1241 messages
section 99: 705 messages
section 0: 74377 messages
section 1: 16284 messages
section 50: 1229 messages
section 99: 683 messages
old - without RD-Tree support,
new - with RD-Tree
@ -168,11 +168,11 @@ new - with RD-Tree
| +-------+-------+--------+-------+
| | old | new | old | new |
+----------+-------+-------+--------+-------+
| 1| 1.427| 0.215| -| -|
| 1| 0.625| 0.101| -| -|
+----------+-------+-------+--------+-------+
| 99| 1.029| 0.018| -| -|
| 99| 0.018| 0.017| -| -|
+----------+-------+-------+--------+-------+
| 1,2| 1.829| 0.334| 5.654| 0.042|
| 1,2| 0.766| 0.133| 0.628| 0.045|
+----------+-------+-------+--------+-------+
| 1,2,50,60| 2.057| 0.359| 5.044| 0.007|
| 1,2,50,65| 0.794| 0.141| 0.030| 0.006|
+----------+-------+-------+--------+-------+

4
contrib/intarray/bench/bench.pl
View File

@ -42,7 +42,9 @@ if ( $opt{a} ) {
push @where, "message.sections @ '{$opt{s}}'";
} else {
foreach my $sid ( split(/[,\s]+/, $opt{s} )) {
push @where, "EXISTS ( select message_section_map.mid from message_section_map where message.mid=message_section_map.mid and message_section_map.sid = $sid )";
push @where, "message.mid = msp$sid.mid";
push @where, "msp$sid.sid = $sid";
$table{"message_section_map msp$sid"}=1;
}
}
} else {