Redisクラスタのすべてのノードメモリツールの表示
クラスタ内の任意のノードを指定し、クラスタ内のすべてのノードが現在使用されている物理メモリ、構成されている最大物理メモリ、およびシステム物理メモリを表示します.ソースコードhttps://github.com/eyjian/redis-toolsダウンロード:
#!/bin/bash
# Query the memory of all nodes in a cluster
#
# Output example:
# $ ./query_redis_cluster.sh 192.168.0.31.21:6379
# [192.168.0.31.21:6379] Used: 788.57M Max: 15.00G System: 125.56G
# [192.168.0.31.22:6380] Used: 756.98M Max: 15.00G System: 125.56G
# [192.168.0.31.23:6380] Used: 743.93M Max: 15.00G System: 125.56G
# [192.168.0.31.24:6380] Used: 21.73M Max: 15.00G System: 125.56G
# [192.168.0.31.25:6380] Used: 819.11M Max: 15.00G System: 125.56G
# [192.168.0.31.24:6379] Used: 771.70M Max: 15.00G System: 125.56G
# [192.168.0.31.26:6379] Used: 920.77M Max: 15.00G System: 125.56G
# [192.168.0.31.27:6380] Used: 889.09M Max: 15.00G System: 125.27G
# [192.168.0.31.28:6379] Used: 741.24M Max: 15.00G System: 125.56G
# [192.168.0.31.29:6380] Used: 699.55M Max: 15.00G System: 125.56G
# [192.168.0.31.27:6379] Used: 752.89M Max: 15.00G System: 125.27G
# [192.168.0.31.21:6380] Used: 716.05M Max: 15.00G System: 125.56G
# [192.168.0.31.23:6379] Used: 784.82M Max: 15.00G System: 125.56G
# [192.168.0.31.26:6380] Used: 726.40M Max: 15.00G System: 125.56G
# [192.168.0.31.25:6379] Used: 726.09M Max: 15.00G System: 125.56G
# [192.168.0.31.29:6379] Used: 844.59M Max: 15.00G System: 125.56G
# [192.168.0.31.28:6380] Used: 14.00M Max: 15.00G System: 125.56G
# [192.168.0.31.22:6379] Used: 770.13M Max: 15.00G System: 125.56G
REDIS_CLI=${REDIS_CLI:-redis-cli}
REDIS_IP=${REDIS_IP:-127.0.0.1}
REDIS_PORT=${REDIS_PORT:-6379}
function usage()
{
echo "Usage: `basename $0` redis_node"
echo "Example: `basename $0` 127.0.0.1:6379"
}
# with a parameter: single redis node
if test $# -ne 1; then
usage
exit 1
fi
eval $(echo "$1" | awk -F[\:] '{ printf("REDIS_IP=%s
REDIS_PORT=%s
",$1,$2) }')
if test -z "$REDIS_IP" -o -z "$REDIS_PORT"; then
echo "Parameter error"
usage
exit 1
fi
# redis-cli
which "$REDIS_CLI" > /dev/null 2>&1
if test $? -ne 0; then
echo "\`redis-cli\` not exists or not executable"
exit 1
fi
redis_nodes=`redis-cli -h $REDIS_IP -p $REDIS_PORT cluster nodes | awk -F[\ \:\@] '!/ERR/{ printf("%s:%s
",$2,$3); }'`
if test -z "$redis_nodes"; then
# standlone
$REDIS_CLI -h $REDIS_IP -p $REDIS_PORT FLUSHALL
else
# cluster
for redis_node in $redis_nodes;
do
if test ! -z "$redis_node"; then
eval $(echo "$redis_node" | awk -F[\:] '{ printf("redis_node_ip=%s
redis_node_port=%s
",$1,$2) }')
if test ! -z "$redis_node_ip" -a ! -z "$redis_node_port"; then
items=(`$REDIS_CLI -h $redis_node_ip -p $redis_node_port INFO MEMORY 2>&1 | tr '\r' ' '`)
used_memory_rss_human=0
maxmemory_human=0
total_system_memory_human=0
for item in "${items[@]}"
do
eval $(echo "$item" | awk -F[\:] '{ printf("name=%s
value=%s
",$1,$2) }')
if test "$name" = "used_memory_rss_human"; then
used_memory_rss_human=$value
elif test "$name" = "maxmemory_human"; then
maxmemory_human=$value
elif test "$name" = "total_system_memory_human"; then
total_system_memory_human=$value
fi
done
echo -e "[\033[1;33m${redis_node_ip}:${redis_node_port}\033[m]\tUsed: \033[0;32;32m$used_memory_rss_human\033[m\tMax: \033[0;32;32m$maxmemory_human\033[m\tSystem: \033[0;32;32m$total_system_memory_human\033[m"
fi
fi
done
fi