Top MySQL Slow Queries from log
From James Dooley's Wiki
Contents
Overview
Sort the slow query log based on the query time and display the lines after it
Script
Display 2 lines before/after Query_time
[bash,n]
slowlog=`grep log-slow-queries /etc/my.cnf | cut -d'=' -f2`; \
if [ -e "$slowlog" ]; then \
for i in $(grep -n Query_time $slowlog | sort -k3 -nr | head | cut -d: -f1); do line=`sed -n \`echo $i\`p $slowlog`; grep -B2 -A2 "$line" $slowlog;done; \
fi
Display 2 lines before and 3 lines after Query_time | less
[bash,n]
slowlog=`grep log-slow-queries /etc/my.cnf | cut -d'=' -f2`; \
if [ -e "$slowlog" ]; then \
for i in $(grep -n Query_time $slowlog | sort -k3 -nr | head | cut -d: -f1); do line=`sed -n \`echo $i\`p $slowlog`; grep -B2 -A3 "$line" $slowlog;done \
fi | less
