oceanbase

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desc oceanbase.__all_virtual_thread;
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Field	Type	Null	Key	Default	Extra
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svr_ip	varchar(46)	NO		NULL	
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svr_port	bigint(20)	NO		NULL	
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tenant_id	bigint(20)	NO		NULL	
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tid	bigint(20)	NO		NULL	
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tname	varchar(16)	NO		NULL	
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status	varchar(32)	NO		NULL	
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wait_event	varchar(64)	NO		NULL	
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latch_wait	varchar(16)	NO		NULL	
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latch_hold	varchar(256)	NO		NULL	
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trace_id	varchar(40)	NO		NULL	
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loop_ts	timestamp(6)	NO		NULL	
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cgroup_path	varchar(256)	NO		NULL	
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desc oceanbase.GV$OB_THREAD;
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Field	Type	Null	Key	Default	Extra
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SVR_IP	varchar(46)	NO		NULL	
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SVR_PORT	bigint(20)	NO		NULL	
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TENANT_ID	bigint(20)	NO		NULL	
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TID	bigint(20)	NO		NULL	
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TNAME	varchar(16)	NO		NULL	
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STATUS	varchar(32)	NO		NULL	
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LATCH_WAIT	varchar(16)	NO		NULL	
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LATCH_HOLD	varchar(256)	NO		NULL	
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TRACE_ID	varchar(40)	NO		NULL	
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CGROUP_PATH	varchar(256)	NO		NULL	
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select count(1) from oceanbase.__all_virtual_thread where tname = "";
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count(1)
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0
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select count(1) from oceanbase.V$OB_THREAD where tname = "observer";
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count(1)
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1
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