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106 lines
2.9 KiB
Bash
Executable File
106 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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#
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# Script to reproduce problem in bug 4193. The problem is exposed when there is an old block in the block cache that no longer should be read.
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# The versioning information keeps us from reading the old block. When the version buffer loops around, the versioning information related to
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# the old block gets flushed and queries start thinking the old version is the suitable version, resulting in incorrect results.
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#
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# To stop the test early:
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# touch stop.txt
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#
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# This script does the following setup.
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# 1) Creates t1 table.
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# 2) Imports one mil rows into t1.
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# 3) Selects count(*) from t1 (this pulls the last partially filled block into the block cache).
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# 4) Load data infiles another one mil rows into t1 (this adds rows to the last block in the table.
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# 5) Creates a t2 table and loads it with 8 mil rows (all on PM1 so that all of the rows are on the same DBRoot).
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#
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# Then the test repeats the following for up to 200 times. It kicks out if we get a bad count.
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# 1) Updates the 8 mil rows in t2.
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# 2) Select count(*) from t1.
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if [ -z "$MYSQLCMD" ]; then
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MYSQLCMD="/usr/local/Calpont/mysql/bin/mysql --defaults-file=/usr/local/Calpont/mysql/my.cnf -u root"
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export MYSQLCMD
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fi
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#
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# Create source file.
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#
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rowsPerLoad=1000000
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echo "Creating source file with $rowsPerLoad rows."
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echo "" | awk -v rows=$rowsPerLoad '{for(i=1; i<=rows; i++)print i "0|"}' > /tmp/t1.tbl
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#
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# Setup the tables.
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#
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#
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# 1) Create t1 table.
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#
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db=walt
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sql="create database if not exists $db;
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use $db;
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drop table if exists t1;
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create table t1(c1 bigint, c2 tinyint)engine=infinidb;"
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echo "Creating $db.t1 table."
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$MYSQLCMD -e "$sql;"
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loadSql="load data infile '/tmp/t1.tbl' into table t1 fields terminated by '|';"
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selectSql="select count(*), if(count(*)%$rowsPerLoad=0, 'good', 'bad') from t1;"
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#
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# 2) Import rows into t1.
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#
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/usr/local/Calpont/bin/cpimport $db t1 /tmp/t1.tbl -m 1 -P 1
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#
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# 3) Select the rows just imported.
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#
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qResult=`$MYSQLCMD $db --skip-column-names -e "$selectSql"`
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echo $qResult
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#
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# 4) Load data infile another one mil rows into t1.
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#
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$MYSQLCMD $db -e "$loadSql"
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#
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# 5) Select from t1 again.
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#
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qResult=`$MYSQLCMD $db --skip-column-names -e "$selectSql"`
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echo $qResult
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#
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# 6) Create t2 and load it with 8 mil rows all on PM1.
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#
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$MYSQLCMD $db -e "drop table if exists t2; create table t2(c1 bigint)engine=infinidb;"
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echo "" | awk '{for(i=1; i<=8*1000*1000; i++)print i}' | /usr/local/Calpont/bin/cpimport $db t2 -m 1 -P 1
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#
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# Loop and repeat updates of t2 and selects against t1.
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#
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iterations=200
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i=0
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while [ $i -lt $iterations ]; do
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let i++;
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echo "Running update $i of $iterations at `date`."
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$MYSQLCMD $db -e "update t2 set c1=$i;"
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qResult=`$MYSQLCMD $db --skip-column-names -e "$selectSql"`
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echo $qResult
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badCount=`echo $qResult | grep 'bad' | wc -l`
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if [ $badCount -gt 0 ]; then
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exit 1
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fi
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if [ -f stop.txt ]; then
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echo "Found stop.txt. Stopping."
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rm -f stop.txt
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exit 0
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fi
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done
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exit 0
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