logstash output时区差8个小时

1 input { 
2 redis { 
3         host => "127.0.0.1"
4         port => "6379"
5         password => "password"
6         db => 0
7         key => "key_test"#队列名称
8         data_type => "list"#队列类型
9         threads => 1
10 }
11 }
12 filter {
13 ruby { 
14         code => "event.set('timestamp', event.get('@timestamp').time.localtime + 8*60*60)" 
15 }
16 ruby {
17         code => "event.set('@timestamp',event.get('timestamp'))"
18 }
19 mutate {
20         remove_field => ["timestamp"]
21 }
22 }
23 output {
24 elasticsearch {
25         hosts => ["127.0.0.1:9200"]
26         action =>index
27         index => "index_test"#es中的索引名称
28         document_id => "%{id}"#以数据中的哪个字段做es中的_id
29         document_type => "type_test"#es中的mapping名称
30         codec =>json_lines
31 }
32     file{
33         path => "/root/data/%{+yyyyMMddHH}.txt"
34 }
35 }