Script to get KEYS and theirs TTL

redis-check-ttl.sh

#!/usr/bin/env bash

start=$(date +%s.%N)

# how many keys get in one time
COUNT=10000

# count of loops
LOOP=$(seq 0 1 10)

# delay between requests to redis
DELAY=0.001

# info files
POINTER_FILE="redis-last-pointer.txt"
KEY_FILE="redis-last-key.txt"


LAST_POINTER=0
if [ -f $POINTER_FILE ]; then
    LAST_POINTER=`tail -1 $POINTER_FILE`
else
    echo 0 > $POINTER_FILE
fi

for i in $LOOP
do
    DATA=`redis-cli -p 6379 scan $LAST_POINTER MATCH "*" COUNT $COUNT`
    FIRST_LINE=1
    for LINE in $DATA ; do
        if [ $FIRST_LINE -eq 1 ]; then
            FIRST_LINE=0
            LAST_POINTER=$LINE
            echo "$LINE" >> $POINTER_FILE

        else
            sleep $DELAY
            TTL=`redis-cli ttl "$LINE"`
            TTL_DAYS=$(($TTL/3600/24))
            if [ $TTL -lt 0 ]; then # in seconds
                echo "$LINE TTL: $TTL days" >> $KEY_FILE

            elif [ $TTL_DAYS -gt 30 ]; then # in days
                echo "$LINE TTL: $(($TTL/3600/24)) days" >> $KEY_FILE

            fi
        fi
    done
done


dur=$(echo "$(date +%s.%N) - $start" | bc)
printf "Execution time: %.6f seconds" $dur