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The "FAQ" page has been changed by tuxracer69. http://wiki.apache.org/cassandra/FAQ?action=diff&rev1=24&rev2=25 -------------------------------------------------- So to summarize, use a different device for your `CommitLogDirectory`; it needn't be large, but it should be fast enough to receive all of your writes. Then, use one or more devices for `DataFileDirectories` and make sure they are both large enough to house all of your data, and fast enough to satisfy your reads and to keep up with flushing and compaction. <<Anchor(architecture)>> - ==What are SSTables and Memtables?== + == What are SSTables and Memtables? == A Memtable is Cassandra's in-memory representation of key/value pairs before the data gets flushed to disk as an SSTable. An SSTable (terminology borrowed from Google) stands for Sorted Strings Table and
