问题描述
我在我的AWS实例上安装了Prometheus服务器，但是15天后数据被自动删除.我需要一年或几个月的数据，我的Prometheus配置是否需要更改?还是我需要像Thanos这样的扩展程序，我是Prometheus的新手，所以请轻松获得答案
Hi I have Prometheus server installed on my AWS instance but the data is been removed automatically after 15 days. I need to have data for an year or months, is there anything I need to change in my prometheus configuration?Or do I need any extensions like Thanos, I am new to Prometheus so please be easy on the answers
推荐答案
启动Prometheus时可以设置--storage.tsdb.retention.time标志.它定义了将数据保留在时间序列数据库(TSDB)中的时间.默认值为15天.
There's the --storage.tsdb.retention.time flag that you can set when you start Prometheus. It defines how long data is kept in the time-series database (TSDB). The default is 15 days.
因此，要将保留时间增加到一年，您应该可以将其设置为:
So, to increase the retention time to a year, you should be able to set this to something like:
--storage.tsdb.retention.time=1y
# or
--storage.tsdb.retention.time=12m
请参见 Prometheus文档.
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