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【郑州校区】学成在线-第11天-讲义-搜索服务 三

3.4.4 配置mysql.conf
logstashconfifig目录下配置mysql.conf文件供logstash使用,logstash会根据mysql.conf文件的配置的地址从MySQL中读取数据向ES中写入索引。
参考https://www.elastic.co/guide/en/logstash/current/plugins-inputs-jdbc.html
配置输入数据源和输出数据源。
[AppleScript] 纯文本查看 复制代码
input {
stdin {
}
jdbc {
jdbc_connection_string
=
>
"
jdbc:mysql://localhost:3306/xc_course?
useUnicode
=
true&characterEncoding
=
utf
‐
8&useSSL=
true&serverTimezone
=
UTC
"
# the user we wish to excute our statement as
jdbc_user =
>
"
root
"
jdbc_password
=
> mysql
# the path to our downloaded jdbc driver
jdbc_driver_library
=
>
"
F:/develop/maven/repository3/mysql/mysql
‐
connector
‐
java/5.1.41/mysql
‐
connector
‐
java
‐
5.1.41.
jar
"
# the name of the driver class for mysql
jdbc_driver_class
=
>
"
com.mysql.
jdbc.Driver
"
jdbc_paging_enabled
=
>
"
true
"
jdbc_page_size
=
>
"
50000
"
#要执行的sql文件
#statement_filepath =
>
"
/conf/course.sql
"
statement
=
>
"
select
*
from course_pub where timestamp > date_add(:sql_last_value,INTERVAL 8
HOUR)
"
#定时配置
schedule
=
>
"
* * * * *
"
record_last_run =
> true
last_run_metadata_path =
>
"
D:/ElasticSearch/logstash
‐
6.2.1/config/logstash_metadata
"
}
}
output {
elasticsearch {
#ES的ip地址和端口
hosts
=
>
"
localhost:9200
"
#hosts
=
> [
"
localhost:9200
"
,
"
localhost:9202
"
,
"
localhost:9203
"
]
#ES索引库名称
index =
>
"
xc_course
"
document_id
=
>
"
%{id}
"
document_type
=
>
"
doc
"
template
=
>
"
D:/ElasticSearch/logstash
‐
6.2.1/config/xc_course_template.
json
"
template_name
=
>
"
xc_course
"
template_overwrite
=
>
"
true
"
}
stdout {
#日志输出
codec
=
> json_lines
}
}

说明:
1ES采用UTC时区问题
ES采用UTC 时区,比北京时间早8小时,所以ES读取数据时让最后更新时间加8小时where timestamp> date_add(:sql_last_value,INTERVAL 8 HOUR)
2logstash每个执行完成会在D:/ElasticSearch/logstash-6.2.1/confifig/logstash_metadata记录执行时间下次以此时间为基准进行增量同步数据到索引库。
3.4.5 测试
启动logstash.bat




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