elasticdump 迁移 elasticsearch 数据

elasticdump 迁移 elasticsearch 数据

elasticdump github地址
https://github.com/taskrabbit/elasticsearch-dump

折腾了一会nodejs耐心尽失,果断使用docker方式。

1、下载docker镜像

拉取镜像

docker pull taskrabbit/elasticsearch-dump

2、导出数据

如果将数据导出为文件形式,需要将宿主机目录挂载至容器上。

# 提前创建数据目录。
mkdir /data

导出数据至json文件中,将宿主机/data目录挂载到容器/tmp目录上,--output指定文件导出至/tmp目录中。

docker run --net=host --rm -ti -v /data:/tmp taskrabbit/elasticsearch-dump    --input=http://localhost:9200/info-ad    --output=/tmp/info-ad-map.json    --type=data

# 导出日志
Wed, 11 Dec 2019 09:45:35 GMT | starting dump
Wed, 11 Dec 2019 09:45:35 GMT | got 16 objects from source elasticsearch (offset: 0)
Wed, 11 Dec 2019 09:45:35 GMT | sent 16 objects to destination file, wrote 16
Wed, 11 Dec 2019 09:45:35 GMT | got 0 objects from source elasticsearch (offset: 16)
Wed, 11 Dec 2019 09:45:35 GMT | Total Writes: 16
Wed, 11 Dec 2019 09:45:35 GMT | dump complete
# 导出文件
[ /data]# ll
total 20
-rw-r--r--. 1 root root 18192 Dec 11 17:45 info-ad-map.json

3、导入数据

docker run --net=host --rm -ti -v /data:/tmp taskrabbit/elasticsearch-dump    --input=/tmp/info-ad-map.json    --output=http://localhost:9200/abcd

# 导入日志
Wed, 11 Dec 2019 09:47:43 GMT | starting dump
Wed, 11 Dec 2019 09:47:43 GMT | got 16 objects from source file (offset: 0)
Wed, 11 Dec 2019 09:47:44 GMT | sent 16 objects to destination elasticsearch, wrote 16
Wed, 11 Dec 2019 09:47:44 GMT | got 0 objects from source file (offset: 16)
Wed, 11 Dec 2019 09:47:44 GMT | Total Writes: 16
Wed, 11 Dec 2019 09:47:44 GMT | dump complete

ps:在使用localhost:9200时需要使用--net=host将网络挂载到容器上

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