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Mysql table size calculation #93

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Mysql table size calculation #93

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d353395
use sql query instead of du command to estimate mysql storage more ac…
hoptical Mar 30, 2023
2295392
Merge branch 'ClickHouse:main' into mysql-storage
hoptical Apr 1, 2023
3b085e2
modify table size calculation for mariadb
hoptical Apr 1, 2023
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5 changes: 4 additions & 1 deletion infobright/benchmark.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,10 @@ time sudo docker run -it --rm --volume $(pwd):/workdir --network host mysql:5 my

# 38m37.466s

sudo docker exec mysql_ib du -bcs /mnt/mysql_data/ /usr/local/infobright-4.0.7-x86_64/cache
# Calculate the table size
sudo docker run -it --rm --network host mysql:5 mysql --host 127.0.0.1 --port 5029 --user=root --password=mypass -e "SELECT table_name AS 'Table', \
round((data_length + index_length), 2) 'Size in Bytes' \
FROM information_schema.TABLES WHERE table_schema = 'test' AND table_name = 'hits';"

# 13 760 341 294

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5 changes: 4 additions & 1 deletion mariadb/benchmark.sh
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Expand Up @@ -24,7 +24,10 @@ time split -l 10000 --filter="sudo mariadb test -e \"SET sql_log_bin = 0; LOAD D

./run.sh 2>&1 | tee log.txt

sudo du -bcs /var/lib/mysql
# Calculate the table size
sudo mariadb -e "SELECT table_name AS 'Table', \
round((data_length + index_length), 2) 'Size in Bytes' \
FROM information_schema.TABLES WHERE table_schema = 'test' AND table_name = 'hits';"

cat log.txt |
grep -P 'rows? in set|Empty set|^ERROR' |
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4 changes: 3 additions & 1 deletion mysql-myisam/benchmark.sh
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Expand Up @@ -20,7 +20,9 @@ time sudo mysql test -e "LOAD DATA LOCAL INFILE 'hits.tsv' INTO TABLE hits"

./run.sh 2>&1 | tee log.txt

sudo du -bcs /var/lib/mysql
sudo mysql -e "SELECT table_name AS 'Table', \
round((data_length + index_length), 2) 'Size in Bytes' \
FROM information_schema.TABLES WHERE table_schema = 'test' AND table_name = 'hits';"

cat log.txt |
grep -P 'rows? in set|Empty set|^ERROR' |
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4 changes: 3 additions & 1 deletion mysql/benchmark.sh
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Expand Up @@ -20,7 +20,9 @@ time sudo mysql test -e "LOAD DATA LOCAL INFILE 'hits.tsv' INTO TABLE hits"

./run.sh 2>&1 | tee log.txt

sudo du -bcs /var/lib/mysql
sudo mysql -e "SELECT table_name AS 'Table', \
round((data_length + index_length), 2) 'Size in Bytes' \
FROM information_schema.TABLES WHERE table_schema = 'test' AND table_name = 'hits';"

cat log.txt |
grep -P 'rows? in set|Empty set|^ERROR' |
Expand Down