lsemenenko revised this gist . Go to revision
1 file changed, 106 insertions
optimize_innodb_tables.sh(file created)
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| 1 | + | #!/bin/bash | |
| 2 | + | ||
| 3 | + | # Script to optimize all InnoDB tables in a specified MySQL database | |
| 4 | + | # Usage: ./optimize_innodb_tables.sh <database_name> [options] | |
| 5 | + | ||
| 6 | + | # Display help information | |
| 7 | + | function show_help { | |
| 8 | + | echo "Usage: $0 <database_name> [options]" | |
| 9 | + | echo "" | |
| 10 | + | echo "Options:" | |
| 11 | + | echo " -h, --help Display this help message" | |
| 12 | + | echo " -u, --user USERNAME MySQL username (optional, will use .my.cnf if not provided)" | |
| 13 | + | echo " -p, --password PASS MySQL password (optional, will use .my.cnf if not provided)" | |
| 14 | + | echo "" | |
| 15 | + | echo "Example: $0 mydatabase -u root -p mypassword" | |
| 16 | + | echo "Example: $0 mydatabase (uses credentials from .my.cnf)" | |
| 17 | + | exit 1 | |
| 18 | + | } | |
| 19 | + | ||
| 20 | + | # Check if we have at least one argument | |
| 21 | + | if [ $# -lt 1 ]; then | |
| 22 | + | show_help | |
| 23 | + | fi | |
| 24 | + | ||
| 25 | + | # Initialize variables | |
| 26 | + | DB_NAME="" | |
| 27 | + | MYSQL_USER="" | |
| 28 | + | MYSQL_PASS="" | |
| 29 | + | MYSQL_OPTS="" | |
| 30 | + | ||
| 31 | + | # Parse command line arguments | |
| 32 | + | while [ $# -gt 0 ]; do | |
| 33 | + | case "$1" in | |
| 34 | + | -h|--help) | |
| 35 | + | show_help | |
| 36 | + | ;; | |
| 37 | + | -u|--user) | |
| 38 | + | MYSQL_USER="$2" | |
| 39 | + | shift 2 | |
| 40 | + | ;; | |
| 41 | + | -p|--password) | |
| 42 | + | MYSQL_PASS="$2" | |
| 43 | + | shift 2 | |
| 44 | + | ;; | |
| 45 | + | *) | |
| 46 | + | # First non-option argument is the database name | |
| 47 | + | if [ -z "$DB_NAME" ]; then | |
| 48 | + | DB_NAME="$1" | |
| 49 | + | shift | |
| 50 | + | else | |
| 51 | + | echo "Error: Unknown option $1" | |
| 52 | + | show_help | |
| 53 | + | fi | |
| 54 | + | ;; | |
| 55 | + | esac | |
| 56 | + | done | |
| 57 | + | ||
| 58 | + | # Verify database name was provided | |
| 59 | + | if [ -z "$DB_NAME" ]; then | |
| 60 | + | echo "Error: Database name is required." | |
| 61 | + | show_help | |
| 62 | + | fi | |
| 63 | + | ||
| 64 | + | # Set MySQL command options | |
| 65 | + | if [ -n "$MYSQL_USER" ]; then | |
| 66 | + | MYSQL_OPTS="$MYSQL_OPTS -u $MYSQL_USER" | |
| 67 | + | fi | |
| 68 | + | ||
| 69 | + | if [ -n "$MYSQL_PASS" ]; then | |
| 70 | + | MYSQL_OPTS="$MYSQL_OPTS -p$MYSQL_PASS" | |
| 71 | + | fi | |
| 72 | + | ||
| 73 | + | # Get all InnoDB tables | |
| 74 | + | echo "Fetching InnoDB tables from database $DB_NAME..." | |
| 75 | + | INNODB_TABLES=$(mysql $MYSQL_OPTS -B -N -e " | |
| 76 | + | SELECT TABLE_NAME | |
| 77 | + | FROM INFORMATION_SCHEMA.TABLES | |
| 78 | + | WHERE TABLE_SCHEMA='$DB_NAME' | |
| 79 | + | AND ENGINE='InnoDB'") | |
| 80 | + | ||
| 81 | + | # Check if any InnoDB tables were found | |
| 82 | + | if [ -z "$INNODB_TABLES" ]; then | |
| 83 | + | echo "No InnoDB tables found in the database $DB_NAME." | |
| 84 | + | exit 0 | |
| 85 | + | fi | |
| 86 | + | ||
| 87 | + | # Count the tables | |
| 88 | + | TABLE_COUNT=$(echo "$INNODB_TABLES" | wc -l) | |
| 89 | + | echo "Found $TABLE_COUNT InnoDB tables in database $DB_NAME." | |
| 90 | + | ||
| 91 | + | # Initialize counter for tracking progress | |
| 92 | + | COUNTER=0 | |
| 93 | + | ||
| 94 | + | # Optimize each table | |
| 95 | + | for TABLE in $INNODB_TABLES; do | |
| 96 | + | COUNTER=$((COUNTER + 1)) | |
| 97 | + | echo "[$COUNTER/$TABLE_COUNT] Optimizing table: $TABLE" | |
| 98 | + | ||
| 99 | + | # Run OPTIMIZE TABLE command | |
| 100 | + | RESULT=$(mysql $MYSQL_OPTS -B -N -e " | |
| 101 | + | OPTIMIZE TABLE $DB_NAME.$TABLE" | tr '\t' ' ') | |
| 102 | + | ||
| 103 | + | echo " Result: $RESULT" | |
| 104 | + | done | |
| 105 | + | ||
| 106 | + | echo "Optimization completed for all InnoDB tables in database $DB_NAME." | |
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