Hi, I am looking for a way to propose a blueprint to the ceilometer team - "Adding Hbase storage backend for ceilometer". Currently we have only MongoDB and SQLalchemy as the possible ceilometer storage backend. Given the storage interface is clearly designed and allows us to have different backend, it would be nice to have more options which make Ceilometer more adoptive to some providers' existing architectures. As a cloud IAAS provider, Ceilometer might not be just considered as a usage db, also it's being seen as a centralized place to store all the usage data cross platforms. Additionally, all the historical usage data stored can be used for historical usage analysis as well, this is where MapReduce comes into play. With Hadoop Hbase, it allows usage data to be stored in HDFS, also it gives us the ability to run large scale massive MapRed analysis jobs in the future.
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