This stands for Thread Pool Stats (TPS), and provides all statistical information related to different tasks for thread pools of a Cassandra node. It displays active, pending, completed, blocked, and all-time blocked stats for things such as the compaction executor, hints dispatcher, read repair, anti-entropy, read stage, misc stage, memtables, and gossip:
$CASSANDRA_HOME/bin/nodetool tpstats
The output is as follows:
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