CREATE TABLE system_metrics ( host STRING, idc STRING, cpu_util DOUBLE, memory_util DOUBLE, disk_util DOUBLE, ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP(), PRIMARY KEY(host, idc), TIME INDEX(ts) ); Affected Rows: 0 INSERT INTO system_metrics VALUES ("host1", "idc_a", 11.8, 10.3, 10.3, 1667446797450), ("host2", "idc_a", 80.0, 70.3, 90.0, 1667446797450), ("host1", "idc_b", 50.0, 66.7, 40.6, 1667446797450); Affected Rows: 3 SELECT count(*) FROM system_metrics; +----------+ | count(*) | +----------+ | 3 | +----------+ -- SQLNESS REPLACE (metrics.*) REDACTED -- SQLNESS REPLACE (RoundRobinBatch.*) REDACTED -- SQLNESS REPLACE (-+) - -- SQLNESS REPLACE (\s\s+) _ -- SQLNESS REPLACE (peers.*) REDACTED -- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED explain analyze SELECT count(*) FROM system_metrics; +-+-+-+ | stage | node | plan_| +-+-+-+ | 0_| 0_|_CooperativeExec REDACTED |_|_|_MergeScanExec: REDACTED |_|_|_| | 1_| 0_|_ProjectionExec: expr=[count(system_REDACTED |_|_|_AggregateExec: mode=Final, gby=[], aggr=[count(system_REDACTED |_|_|_CoalescePartitionsExec REDACTED |_|_|_AggregateExec: mode=Partial, gby=[], aggr=[count(system_REDACTED |_|_|_CooperativeExec REDACTED |_|_|_SeqScan: region=REDACTED, "partition_count":{"count":1, "mem_ranges":1, "files":0, "file_ranges":0} REDACTED |_|_|_| |_|_| Total rows: 1_| +-+-+-+ drop table system_metrics; Affected Rows: 0