Which is the best tool for copying a large directory tree locally?
Recently we had to move a full Cassandra backup to another cluster of machines (another Datacenter on Cassandra’s jargon). Although it can be achieved using DC replication we opted for a more conservative approach and not change production configurations neither increase its load due data streaming. This post is quick comparison to find out which tool would perform better for copying a large directory tree locally. The Data One of our Cassandra’s clusters contains 12 nodes, each node has 532Gb of data distributed among 1,753,200 files (the /var/lib/cassandra folder). Continue Reading »