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在通过brew install elasticsearch 安装成功之后
启动 elasticsearch的时候出现了
ERROR: Cluster name [elasticsearch_zhangsf] subdirectory exists in data paths [/usr/local/var/lib/elasticsearch/elasticsearch_zhangsf]. All data under these paths must be moved up one directory to paths [/usr/local/var/lib/elasticsearch]
elasticsearch的config文件夹里面有两个配置文件：elasticsearch.yml和logging.yml，第一个是es的基本配置文件，第二个是日志配置文件
cd /usr/local/Cellar/elasticsearch/6.7.0/libexec/config
vim elasticsearch.yml
将elasticsearch.yml里面的
data.path由/usr/local/var/lib/elasticsearch
改为/usr/local/var/lib/elasticsearch/elasticsearch_zhangsf
再重新启动 elasticsearch就ok
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