查看日誌文件,未提交的事務,日誌無法收縮,有可能是複製未同步、鏡像未同步、開啓了跟蹤
dbcc loginfo
查看當前最早的活動事務:
DBCC opentran
查看磁盤信息
xp_fixeddrives
SQL Server管理日誌拆分
EXEC sp_cycle_errorlog
查看某進程正在執行的語句:
DBCC INPUTBUFFER (SID)
查看複製同步情況
sp_replcounters
複製多線程
操作-->日誌讀取器借進作業屬性-->運行代理-->-SubscriptionStreams 4
複製失敗,丟失行檢查
EXEC [distribution].[sys].[sp_browsereplcmds] '0x0001BF8000133F68005C00000000','0x0001BF8000133F68005C00000000'
查看同步數據差異
--在分發服務器執行
USE distribution SELECT 'EXEC distribution.sys.sp_replmonitorsubscriptionpendingcmds @publisher = N'''+a.publisher+ ''', @publisher_db = N'''+a.publisher_db+''', @publication = N'''+a.publication+''', @subscriber = N'''+ c.name+''', @subscriber_db = N'''+b.subscriber_db+''', @subscription_type ='+CAST(b.subscription_type AS VARCHAR) FROM dbo.MSreplication_monitordata a(NOLOCK) JOIN (select publication_id,subscriber_id,subscriber_db,subscription_type FROM MSsubscriptions (NOLOCK) GROUP BY publication_id,subscriber_id,subscriber_db,subscription_type) b ON a.publication_id = b.publication_id JOIN sys.servers c(NOLOCK) ON b.subscriber_id=c.server_id WHERE a.agent_type=1
重置自增ID:
DBCC CHECKIDENT ('tablename', RESEED, 數值) ;
更新統計信息
update statistics tablename [ WITH [ FULLSCAN --完全掃描,很慢 | SAMPLE number { PERCENT | ROWS } --可以指定 抽樣率 或 抽樣行數 | RESAMPLE --使用最近的採樣速率更新每個統計信息