Hi skywalking dev team:
Recently,I have meet a question that the recordDataTTL is not working, and I 
need you help.
History:
I hava set the recordDataTTL config equals 2(day),such as : "recordDataTTL: 
${SW_CORE_RECORD_DATA_TTL:2} # Unit is day" when the skywalking init.
But now I want to keep the record data in es remain longer.Ant then I set 
recordDataTTL = 4 and restart the server,but it doesn't work,the 2 days before 
index will still be deleted.
Is anything wrong in my operation?
Wait for your help,Thanks a lot~
dafang
2021.12.15


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为了清晰表达,我用中文复述一下:
skywalking的开发团队好:
最近,我遇到了一个关于recordDataTTL 不生效的问题,需要寻求帮助
背景:
在我skywalking初始化的时候,我设置了recordDataTTL 为2 ,就像这样配置 "recordDataTTL: 
${SW_CORE_RECORD_DATA_TTL:2} # Unit is day"。
但是现在我想让数据在es中保存时间更长一些,于是我设置了 recordDataTTL 
等于4,并且重启了服务。过了一天后,我发现我在es中的索引还是保留了2天的,说明我的设置没生效。
我哪一步操作有问题吗?
期待您的帮助,非常感谢
大方
2021年12月15日

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