[8.0] Keeping track of network wait time to client

bloomberg / comdb2

Bloomberg's distributed RDBMS

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[8.0] Keeping track of network wait time to client #4829

Open riverszhang89 opened 1 week ago

riverszhang89 commented 1 week ago

This patch keeps track of how much time we are blocked on network IO to client, for instance:

11/06 18:57:56: LONG REQUEST 9562 msec ...
11/06 18:57:56:   sql=select * from jobs, sql=select * from jobs, ncols=10
11/06 18:57:56:   netwaitms=9148, rowcount=48445, cost=48454.000000