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redis优化记录

某日,DBA发现针对redis的ttl操作过多,如下: 1585835992.720145 [2 10.160.91.30:9291] "TTL" "activity::activity_price:7:71302" 1585835992.721121 [2 10.160.82.69:51447] "TTL" "activity::activity_price:7:72147" 1585835992.721170 [2 10

centos 7 增加永久静态路由

1 在 /etc/sysconfig/network-scripts/ 目录下添加route-eth3,eth3为实际网卡名称。 [root@compute1 ~]# cat /etc/sysconfig/network-scripts/route-eth3 121.14.46.1/32 via 10.160.20.129 dev eth3 2 重启eth3 [root@compute1 ~]# ifdown eth3 && ifup eth3 成功

Elasticsearch集群容器化部署

基本配置示例 节点ip: 10.160.76.10,10.160.76.11,10.160.76.12节点配置: 内存64GB,硬盘200G,CPU16核Elasticsearch版本: 7.5.1 部署Elasticsearch节点 # esnode1: 10.160.76.10 docker run -d --name esnode01 \ -v /disk01/es/data:/usr/share/elasticsearch/data \ --ul