Re: Hbase vs Cassandra

2015-05-31 Thread Cem Cayiroglu
I think the links provided are general comparison. I will try to explain the difference as I implemented time series with both Cassandra and HBase. We migrated from Cassandra to HBase. Reasons: Scan is fast with HBase. It fits better with time series data model. Please look at opentsdb. Cassa

Minor Compactions Not Triggered

2015-05-31 Thread Anuj Wadehra
Hi, I am using Cassandra 2.0.3 and we use STCS for all CFs. We have recently faced an issue where sstable count of certain CFs went into THOUSANDS. We realized that every week, when "repair -pr" ran on each node, it created 50+ tiny sstables of around 1kb. These tables were never compacted durin