elastic索引日志清理不及时，很容易产生磁盘紧张，官网给出curl -k -XDELETE可以清理不需要的索引日志。
清理脚本
#!/bin/bash
#Author: 648403020@qq.com
#date: 2019.03.28
# 需要清理几天以前的索引日志
CLEAN_DAY=7
# 获取N天以前的年月日
YEAR=$(date -d "$(date -I) -$CLEAN_DAY"day"" +%Y)
MONTH=$(date -d "$(date -I) -$CLEAN_DAY"day"" +%m)
DAY=$(date -d "$(date -I) -$CLEAN_DAY"day"" +%d)
# 获取需要过滤N天前的ES索引数据
DATA=`curl -sk https://esadmin:your_password@10.124.56.120:9200/_cat/indices?v \
|awk '/[0-9]{4}-[0-9]{2}-[0-9]{2}/ {print $3}' |awk -F- '{s2=mktime($(NF-2)" "$(NF-1)" "$NF" 0 0 0");\
s1=systime()}{if(s1-s2 >= 86400*"'$CLEAN_DAY'") print $0}'`
echo "即将清理"$YEAR'-'$MONTH'-'$DAY"前ES索引数据>>>>>>>>"
echo "清理数据为: "$DATA
# 执行清理工作
for i in $DATA
do
sleep 3
curl -k -XDELETE https://esadmin:your_password@10.124.56.120:9200/$i
done
echo "======================="
echo "执行完成"
echo "======================="
- 添加到任务计划，每天3点执行清理
crontab -e
00 03 * * * sh /apps/sh/ESindex_clean_v3.sh > /dev/null 2>&1
常用命令
查看索引列表
curl -k https://your_username:your_password@10.124.10.27:9200/_cat/indices?v查询集群是否健康
curl -k https://your_username:your_password@10.124.10.27:9200/_cluster/health查看所有shard
curl -k https://your_username:your_password@10.124.10.27:9200/_cat/shards启动命令
/usr/local/elasticsearch/bin/elasticsearch -d