SQL -- Monitor active queriesSELECT*FROMsys.dm_pdw_exec_requestsWHEREstatusnotin('Completed','Failed','Cancelled')ANDsession_id <> session_id()ORDERBYsubmit_timeDESC;-- Find top 10 queries longest running queriesSELECTTOP10*FROMsys.d...
To help users identify slow queries, analyze and improve the performance of SQL execution, TiDB outputs the statements whose execution time exceedstidb_slow_log_threshold(The default value is 300 milliseconds) toslow-query-file(The default value is "tidb-slow.log"). TiDB enables the sl...
Most database performance issues can be attributed to suboptimal query patterns, but in many cases running inefficient queries will put undue pressure on your hardware. For example, missing indexes could lead to CPU, storage, and memory pressure by retrieving more data than is required to ...
Check if IIS running on a remote server check if object is $null Check if OS is 32bit or 64bit check If Process Is Running in another computer Check if SMB1 is enabled on the AD servers Check if string contains invalid characters Check if string starts with letter/character. check instal...
Faster WMI queries Fastest way to Delete millions and millions of files in spread throughout 10000 users File copy from network share to current server from for each area File copy operation from PowerShell that displays "Copy files" dialog File copy over network using a specific NIC File permi...