Friday, September 28, 2012

Cassandra Useful nodetool commands

nodetool info              -Displays node-level info.
nodetool ring              -Displays info on nodes on the ring.
nodetool cfstats          -Displays Column Family statistics.
nodetool tpstats          -Displays what operations Cassandra is doing right now.
nodetool netstats        -Displays streaming information.
nodetooldrain             -Flushes Memtables to SSTables on disk and stops accepting writes.
                                     Useful before a restart to make startup quicker(no Commit Log to replay)

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