文章詳情頁
Sql Server中通過sql命令獲取cpu占用及產(chǎn)生鎖的sql
瀏覽:100日期:2023-03-06 14:25:30
獲取SQLSERVER中產(chǎn)生鎖的SQL語句
SELECT SUBSTRING(st.text, (qs.statement_start_offset/2) + 1,((CASE statement_end_offset WHEN -1 THEN DATALENGTH(st.text) ELSE qs.statement_end_offset END - qs.statement_start_offset)/2) + 1) as statement_text FROM sys.dm_exec_query_stats as qs CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) as st where qs.sql_handle in (select distinct sql_handle from sys.dm_exec_requests where session_id in (SELECT request_session_id as Spid FROM sys.dm_tran_locks l LEFT JOIN sys.partitions p ON l.resource_associated_entity_id = p.hobt_id LEFT JOIN sys.indexes i ON p.object_id = i.object_id AND p.index_id = i.index_id LEFT JOIN sys.objects o ON p.object_id = o.object_id LEFT JOIN sys.schemas s ON o.schema_id = s.schema_id LEFT JOIN sys.objects o2 ON l.resource_associated_entity_id = o2.object_id LEFT JOIN sys.schemas s2 ON o2.schema_id = s2.schema_id LEFT JOIN sys.databases db ON l.resource_database_id = db.database_id WHERE resource_database_id = DB_ID() and request_mode in ("X") ))
查詢 某個時間點的,所有執(zhí)行中的sql語句的CPU占用時間(倒排序)
use master;SELECT [session_id], [cpu_time], [start_time], dest.[text] AS "sql", DB_NAME([database_id]) AS "dbname", [row_count] FROM sys.[dm_exec_requests] AS der CROSS APPLY sys.[dm_exec_sql_text](der.[sql_handle]) AS dest WHERE [session_id]>50 ORDER BY [cpu_time] DESC
查詢 不同sql語句產(chǎn)生阻塞的情況(主要是由于鎖產(chǎn)生的等待)
use master;SELECT top 50 dest.[text] AS "sql", wtt.blocking_session_id, wtt.wait_duration_ms, wtt.session_id FROM sys.dm_os_waiting_tasks wtt LEFT JOIN sys.dm_exec_requests req ON wtt.blocking_session_id = req.session_id CROSS APPLY sys.[dm_exec_sql_text](req.[sql_handle]) AS dest where wtt.blocking_session_id is not null and wtt.wait_duration_ms>2000 order by wait_duration_ms desc
到此這篇關(guān)于Sql Server中通過sql命令獲取cpu占用及產(chǎn)生鎖的sql的文章就介紹到這了,更多相關(guān)cpu占用及產(chǎn)生鎖內(nèi)容請搜索以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持!
標(biāo)簽:
MsSQL
相關(guān)文章:
1. MySQL中查詢json格式的字段實例詳解2. SQL SERVER2000中訂閱與發(fā)布的具體操作3. ubuntu下使用SQLite3的基本命令4. ADODB連接access是出現(xiàn) 80004005 錯誤的解決方法5. SQL Server 2008清空刪除日志文件6. Access 使用總結(jié)一篇7. mybatis通過中間表實現(xiàn)一對多查詢功能8. 應(yīng)用經(jīng)驗:關(guān)于IBM DB2數(shù)據(jù)庫的注意事項9. short int、long、float、double使用問題說明10. SQL Server 2022 AlwaysOn新特性之包含可用性組詳解
排行榜
