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31 lines
1.6 KiB
Bash
31 lines
1.6 KiB
Bash
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#!/bin/bash
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filename=${1-queries.sql}
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table=$2
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dbname=$3
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orca=${4-on}
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host1=somehost
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host2=somehost
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mem='15GB'
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cat $filename | sed "s/{table}/$table/g" | while read query ;
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do
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ssh -n $host1 'echo 3 | tee /proc/sys/vm/drop_caches; sync' > /dev/null
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ssh -n $host2 'echo 3 | tee /proc/sys/vm/drop_caches; sync' > /dev/null
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sleep 5
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echo $query | egrep "SELECT UserID, date_trunc\('minute', EventTime\) AS m|SELECT Referer AS key, avg\(length\(Referer\)\) AS l|SELECT URL, count(1) AS c FROM.*GROUP BY URL|SELECT 1, URL, count\(1\) AS c FROM.*GROUP BY 1" && mem='10GB'
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echo $query | egrep 'SELECT DISTINCT|GROUP BY UserID, SearchPhrase LIMIT 10|count\(DISTINCT UserID\) AS u' && mem='5GB'
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echo "####################"
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echo "$query"
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echo "Timestamp_begin:$(date)"
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echo "\\timing off \\\\set optimizer=$orca; set effective_cache_size='256MB'; set statement_mem='$mem';\\timing on \\\\ $query;" | psql -p 5432 -h 'localhost' -o /dev/null -U gpadmin ${dbname}
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echo "Timestamp_end:$(date)"
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echo "Timestamp_begin:$(date)"
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echo "\\timing off \\\\set optimizer=$orca; set effective_cache_size='50GB'; set statement_mem='$mem';\\timing on \\\\ $query;" | psql -p 5432 -h 'localhost' -o /dev/null -U gpadmin ${dbname}
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echo "Timestamp_end:$(date)"
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echo "Timestamp_begin:$(date)"
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echo "\\timing off \\\\set optimizer=$orca; set effective_cache_size='50GB'; set statement_mem='$mem';\\timing on \\\\ $query;" | psql -p 5432 -h 'localhost' -o /dev/null -U gpadmin ${dbname}
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echo "Timestamp_end:$(date)"
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echo "$query"
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echo '####################'
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done
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