We store 18-24 months of data in OpenTSDB with good performance and compression, but it can be a pain to manage if you don't have experience working with HBase

We store 18-24 months of data in OpenTSDB with good performance and compression, but it can be a pain to manage if you don't have experience working with HBase. InfluxDB has commercial cluster support, and there are quite a few other options. See https://blog.outlyer.com/top10-open-source-time-series-databases https://blog.outlyer.com/top10-open-source-time-series-datab... for a good comparison list.