[1]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]

# 问题
ERROR: [1] bootstrap checks failed
[1]: max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
# 解决
[root@hecs-356640 soft]# vi /etc/sysctl.conf 
# 添加这个
vm.max_map_count = 65530
# 刷新
[root@hecs-356640 soft]# sysctl -p
vm.swappiness = 0
net.core.somaxconn = 1024
net.ipv4.tcp_max_tw_buckets = 5000
net.ipv4.tcp_max_syn_backlog = 1024
vm.max_map_count = 65530
# 测试
[root@hecs-356640 soft]# curl http://localhost:9200/
{
  "name" : "bYHFSI2",
  "cluster_name" : "elasticsearch",
  "cluster_uuid" : "fpUxUwJZQHKMeiDycjecLQ",
  "version" : {
    "number" : "6.8.0",
    "build_flavor" : "default",
    "build_type" : "tar",
    "build_hash" : "65b6179",
    "build_date" : "2019-05-15T20:06:13.172855Z",
    "build_snapshot" : false,
    "lucene_version" : "7.7.0",
    "minimum_wire_compatibility_version" : "5.6.0",
    "minimum_index_compatibility_version" : "5.0.0"
  },
  "tagline" : "You Know, for Search"
}