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72fb81e888
Fixed problem when converting bigint to double. Fixed bug in count(distinct null) Fixed bug with empty BDB tables.
108 lines
3.4 KiB
Plaintext
108 lines
3.4 KiB
Plaintext
# This file describes how to run MySQL benchmark suite with PostgreSQL
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#
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# WARNING:
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#
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# Don't run the --fast test on a PostgreSQL 7.1.1 database on
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# which you have any critical data; During one of our test runs
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# PostgreSQL got a corrupted database and all data was destroyed!
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# When we tried to restart postmaster, It died with a
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# 'no such file or directory' error and never recovered from that!
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#
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# Another time vacuum() filled our system disk with had 6G free
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# while vaccuming a table of 60 M.
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#
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# WARNING
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# The test was run on a Intel Xeon 2x 550 Mzh machine with 1G memory,
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# 9G hard disk. The OS is Suse 7.1, with Linux 2.4.2 compiled with SMP
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# support
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# Both the perl client and the database server is run
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# on the same machine. No other cpu intensive process was used during
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# the benchmark.
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#
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# During the test we run PostgreSQL with -o -F, not async mode (not ACID safe)
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# because when we started postmaster without -o -F, PostgreSQL log files
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# filled up a 9G disk until postmaster crashed.
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# We did however notice that with -o -F, PostgreSQL was a magnitude slower
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# than when not using -o -F.
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#
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# First, install postgresql-7.1.2.tar.gz
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# Adding the following lines to your ~/.bash_profile or
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# corresponding file. If you are using csh, use ´setenv´.
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export POSTGRES_INCLUDE=/usr/local/pg/include
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export POSTGRES_LIB=/usr/local/pg/lib
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PATH=$PATH:/usr/local/pg/bin
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MANPATH=$MANPATH:/usr/local/pg/man
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#
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# Add the following line to /etc/ld.so.conf:
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#
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/usr/local/pg/lib
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# and run:
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ldconfig
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# untar the postgres source distribution, cd to postgresql-*
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# and run the following commands:
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CFLAGS=-O3 ./configure
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gmake
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gmake install
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mkdir /usr/local/pg/data
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chown postgres /usr/local/pg/data
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su - postgres
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/usr/local/pg/bin/initdb -D /usr/local/pg/data
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/usr/local/pg/bin/postmaster -o -F -D /usr/local/pg/data &
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/usr/local/pg/bin/createdb test
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exit
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#
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# Second, install packages DBD-Pg-1.00.tar.gz and DBI-1.18.tar.gz,
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# available from http://www.perl.com/CPAN/
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export POSTGRES_LIB=/usr/local/pg/lib/
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export POSTGRES_INCLUDE=/usr/local/pg/include/postgresql
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perl Makefile.PL
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make
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make install
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#
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# Now we run the test that can be found in the sql-bench directory in the
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# MySQL 3.23 source distribution.
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#
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# We did run two tests:
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# The standard test
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run-all-tests --comment="Intel Xeon, 2x550 Mhz, 512M, pg started with -o -F" --user=postgres --server=pg --cmp=mysql
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# When running with --fast we run the following vacuum commands on
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# the database between each major update of the tables:
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# vacuum anlyze table
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# vacuum table
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# or
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# vacuum analyze
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# vacuum
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# The time for vacuum() is accounted for in the book-keeping() column, not
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# in the test that updates the database.
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run-all-tests --comment="Intel Xeon, 2x550 Mhz, 512M, pg started with -o -F" --user=postgres --server=pg --cmp=mysql --fast
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# If you want to store the results in a output/RUN-xxx file, you should
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# repeate the benchmark with the extra option --log --use-old-result
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# This will create a the RUN file based of the previous results
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run-all-tests --comment="Intel Xeon, 2x550 Mhz, 512M, pg started with -o -F" --user=postgres --server=pg --cmp=mysql --log --use-old-result
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run-all-tests --comment="Intel Xeon, 2x550 Mhz, 512MG, pg started with -o -F" --user=postgres --server=pg --cmp=mysql --fast --log --use-old-result
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# Between running the different tests we dropped and recreated the PostgreSQL
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# database to ensure that PostgreSQL should get a clean start,
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# independent of the previous runs.
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