Database size (MySQL)
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Some examples to monitor size of MySQL or MariaDB databases:
sudo du -sh /var/lib/mysql sudo du -sh /var/lib/mysql/example_com sudo ls -alFhS /var/lib/mysql/example_com sudo ls -alFhS example_com/wp_options.ibd
Within script wp_check_mysql_size.sh
, I use this function to fetch relevant information from all sites on a server:
report_db_size() { # out1=$(sudo du -sh /var/lib/mysql/${site_array[$i,db]} | cut -f1) out2=$(sudo du -s /var/lib/mysql/${site_array[$i,db]} | cut -f1) out3=$(sudo du -sh /var/lib/mysql/${site_array[$i,db]}/wp_options.ibd | cut -f1) out4=$(sudo du -s /var/lib/mysql/${site_array[$i,db]}/wp_options.ibd | cut -f1) echo "${site_array[$i,db]} ${site_array[$i,tag]} ${out1} ${out2} ${out3} ${out4}" # }
Subsequently, output is copy-pasted in a spreadsheet.
- The columns with human-readible are used for just that
- The actual number columns are used for sorting (you can't sort on human-readible numbers)
- The actual number columns are also used for calculating the ratio of size of table
wp_options
as part of the whole db size.