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KServer.cs
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KServer.cs
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using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using static KMO.Enums;
using smo = Microsoft.SqlServer.Management.Smo;
namespace KMO
{
public static class KServer
{
#region General informations
/// <summary>
/// Get the machine type : this server is a physical server or a Virtual Machine ?
/// </summary>
/// <param name="s">your smo server</param>
/// <returns>Physical, virtual or unknown</returns>
public static string MachineType(this smo.Server s)
{
string serverType = "Unknown";
smo.Database d = s.Databases["master"];
string sql = @"IF EXISTS(SELECT *
FROM sys.all_columns
WHERE name = 'virtual_machine_type_desc'
AND OBJECT_NAME(object_id) = 'dm_os_sys_info')
BEGIN
EXECUTE sys.sp_executesql N'SELECT virtual_machine_type_desc FROM sys.dm_os_sys_info'
END
";
DataTable dt = d.ExecuteWithResults(sql).Tables[0];
if (dt != null && dt.Rows.Count > 0)
{
string virtualType = dt.Rows[0]["virtual_machine_type_desc"].ToString();
switch (virtualType)
{
case "NONE":
serverType = "Physical server";
break;
case "HYPERVISOR":
serverType = "Virtual server";
break;
}
}
return serverType;
}
/// <summary>
/// When Sql server service restarts, TempDB is recreated. So tempdb create date can be used to know when the server restarted.
/// </summary>
/// <param name="s">your smo server</param>
/// <returns>the datetime when sql service restart</returns>
public static DateTime LastRestart(this smo.Server s)
{
return s.Databases["tempdb"].CreateDate;
}
/// <summary>
/// Get services account with status
/// </summary>
/// <param name="s">your smo server</param>
/// <returns>a datatable with service name + service informations</returns>
public static DataTable ServiceStatus(this smo.Server s)
{
string sql = @"SELECT servicename
, service_account + ' (' + status_desc + ')' AS serviceInfo
FROM sys.dm_server_services";
smo.Database d = s.Databases["master"];
return d.ExecuteWithResults(sql).Tables[0];
}
/// <summary>
/// Get databases with compatibility level lower than instance
/// </summary>
/// <param name="s">your smo server</param>
/// <returns>a datatable with the list of databases</returns>
public static DataTable DatabaseLowCompatibilityLevel(this smo.Server s)
{
int normalCompatibilityLevel = s.VersionMajor*10;
string sql = string.Format(@"SELECT name
, compatibility_level
FROM sys.databases
WHERE compatibility_level != {0}", normalCompatibilityLevel);
smo.Database d = s.Databases["master"];
return d.ExecuteWithResults(sql).Tables[0];
}
/// <summary>
/// Get list of active trace flags
/// </summary>
/// <param name="s">your smo server</param>
/// <returns>a datatable with the list of databases</returns>
public static DataTable GetActiveTraceFlags(this smo.Server s)
{
smo.Database d = s.Databases["master"];
return d.ExecuteWithResults(@"CREATE TABLE #traceflag (traceflag int, status int, global int, session int)
INSERT INTO #traceflag
EXEC ('DBCC TRACESTATUS(-1)')
SELECT * FROM #traceflag
DROP TABLE #traceflag").Tables[0];
}
#endregion
#region SQL Server Versions
/// <summary>
/// Get Sql server version name from major and minor version
/// </summary>
/// <param name="s">your smo server object</param>
/// <returns>a string</returns>
public static string VersionName(this smo.Server s)
{
string version;
switch (s.VersionMajor.ToString() + "." + s.VersionMinor.ToString())
{
case "15.0":
version = "Sql Server 2019";
break;
case "14.0":
version = "Sql Server 2017";
break;
case "13.0":
version = "Sql Server 2016";
break;
case "12.0":
version = "Sql Server 2014";
break;
case "11.0":
version = "Sql Server 2012";
break;
case "10.50":
version = "Sql Server 2008 R2";
break;
case "10.0":
version = "Sql Server 2008";
break;
case "9.0":
version = "Sql Server 2005";
break;
case "8.0":
version = "Sql Server 2000";
break;
case "7.0":
version = "Sql Server 7";
break;
default:
version = "Unknown edition";
break;
}
return version;
}
/// <summary>
/// Get Sql server full version name from major and minor version, productLevel, Edition and version
/// </summary>
/// <param name="s">your smo server object</param>
/// <returns>a string</returns>
public static string VersionFull(this smo.Server s)
{
return string.Format("{0} {1} {2} ({3})", s.VersionName(), s.ProductLevel, s.Edition, s.Version);
}
#endregion
#region Monitoring
/// <summary>
/// Get informations about actives session. Locks, performances issues, percent complete, execution plans, etc...
/// </summary>
/// <param name="s">Your smo Server</param>
/// <param name="WithSystemSession">True if you want to select system session. False if you only need user sessions</param>
/// <param name="WithQueryPlan">True if you want to fill the last column with query plan (xml format). False without execution plan and better performances</param>
/// <returns>The result of the query in a DataTable</returns>
public static DataTable GetLiveSession(this smo.Server s, bool WithSystemSession = false, bool WithQueryPlan = false)
{
smo.Database d = s.Databases["master"];
string _sql = @"SELECT CAST(qe.session_id AS VARCHAR) AS [Session Id]
, CASE WHEN blocking_session_id = 0 THEN '' ELSE CAST(blocking_session_id AS VARCHAR) END AS [Blocking Session Id]
, s.login_name AS [Login]
, s.host_name AS [Host Name]
, s.program_name AS [Program Name]
, s.client_interface_name AS [Client Interface Name]
, db_name(qe.Database_id) AS [Database]
, qe.logical_reads AS [Logical Read]
, qe.writes AS [Writes]
, qe.cpu_time AS [CPU Time]
, DATEDIFF(MINUTE, start_time, getdate()) AS [Duration]
, command AS [Command]
, qe.status AS [Status]
, percent_complete AS [Percent Complete]
, start_time AS [Start Time]
, qe.open_transaction_count AS [Open Transaction Count]
, qe.row_count AS [Row Count]
, CASE qe.transaction_isolation_level
WHEN 1 THEN 'ReadUncomitted'
WHEN 2 THEN 'ReadCommitted'
WHEN 3 THEN 'Repeatable'
WHEN 4 THEN 'Serializable'
WHEN 5 THEN 'Snapshot'
ELSE 'Unknown' END AS [Transaction Isolation Level]
, a.text AS [Query]
{0}
FROM sys.dm_exec_requests qe (NOLOCK)
INNER JOIN sys.dm_exec_sessions s (NOLOCK) on qe.session_id = s.session_id
LEFT JOIN (select sqe.session_id
, st.text
FROM sys.dm_exec_requests sqe (NOLOCK)
CROSS APPLY sys.dm_exec_sql_text(sqe.sql_handle) st) a ON qe.session_id = a.session_id
{1}
WHERE qe.session_id != @@SPID
{2}
ORDER BY blocking_session_id DESC
, Duration DESC
, qe.cpu_time DESC";
string _sql0 = "";
string _sql1 = string.Empty;
string _sql2 = string.Empty;
if (WithQueryPlan)
{
_sql0 = " , b.query_plan AS [__execPlan]";
_sql1 = @" LEFT JOIN (select sqe.session_id
, ph.query_plan
FROM sys.dm_exec_requests sqe (NOLOCK)
CROSS APPLY sys.dm_exec_query_plan(sqe.plan_handle) ph) b ON qe.session_id = b.session_id";
}
if (!WithSystemSession)
{
_sql2 = "AND s.is_user_process = 1";
}
_sql = string.Format(_sql, _sql0, _sql1, _sql2);
return d.ExecuteWithResults(_sql).Tables[0];
}
/// <summary>
/// Get informations about all sessions on a server
/// </summary>
/// <param name="s">Your smo Server</param>
/// <returns>The result of the query in a DataTable</returns>
public static DataTable GetWho(this smo.Server s)
{
smo.Database d = s.Databases["master"];
return d.ExecuteWithResults(@"SELECT sp.spid
, sp.blocked AS Blocked
, d.name as [Database]
, RTRIM(sp.hostname) AS [Hostname]
, RTRIM(sp.program_name) AS [Program Name]
, RTRIM(sp.loginame) AS [Login Name]
, RTRIM(sp.nt_domain) AS [NT Domain]
, RTRIM(sp.nt_username) AS [NT Username]
, ec.auth_scheme AS [Auth protocol]
, sp.waittime AS [Wait Time]
, RTRIM(sp.lastwaittype) AS [Last Wait Type]
, sp.cpu as [CPU]
, sp.physical_io AS [Physical IO]
, sp.memusage AS [Memory]
, sp.login_time AS [Login Time]
, sp.last_batch AS [Last Batch]
, sp.ecid AS [Execution Context ID]
, sp.open_tran AS [Open Tran]
, RTRIM(sp.status) AS [Status]
, sp.hostprocess AS [Host Process]
, RTRIM(sp.cmd) AS [Command Type]
, sp.net_address AS [NET Adress]
, RTRIM(sp.net_library) AS [NET Library]
, sp2.spid AS [Blocking]
FROM master.dbo.sysprocesses sp
LEFT JOIN master.dbo.sysdatabases d ON sp.dbid = d.dbid
LEFT JOIN master.dbo.sysusers u ON sp.uid = u.uid
LEFT JOIN master.dbo.sysprocesses sp2 ON sp.spid = sp2.blocked
LEFT JOIN sys.dm_exec_connections ec ON sp.spid = ec.session_id AND ec.parent_connection_id IS NULL
ORDER BY sp.blocked
, d.name
, sp.cpu DESC").Tables[0];
}
/// <summary>
/// Get Stored procedures execution statistics.
/// Useful to calculate diff statistics like in Live SP Profiler in Kankuru
/// </summary>
/// <param name="s">SMO server</param>
/// <returns>a DataTable</returns>
public static DataTable GetLiveSPProfiler(this smo.Server s)
{
smo.Database d = s.Databases["master"];
string _sql = @"SELECT database_id AS [Database ID]
, DB_NAME(database_id) AS [Database Name]
, object_id AS [Object ID]
, OBJECT_NAME(object_id, database_id) AS [Object Name]
--, plan_handle AS [Plan Handle]
, SUM(total_worker_time) AS [Cpu]
, SUM(total_elapsed_time) AS [Elapsed Time]
, SUM(execution_count) AS [Execution Count]
, SUM(total_logical_reads) AS [Logical Reads]
, SUM(total_physical_reads) AS [Physical Reads]
, SUM(total_logical_writes) AS [Logical Writes]
FROM sys.dm_exec_procedure_stats
WHERE database_id != 32767
GROUP BY database_id
, object_id
--, plan_handle";
return d.ExecuteWithResults(_sql).Tables[0];
}
/// <summary>
/// Get queries execution statistics.
/// Useful to calculate diff statistics like in Live Queries Profiler in Kankuru
/// </summary>
/// <param name="s">SMO server</param>
/// <returns>a DataTable</returns>
public static DataTable GetLiveQueriesProfiler(this smo.Server s)
{
smo.Database d = s.Databases["master"];
string sql = @"SELECT COALESCE(qt.dbid, 0) AS [Database ID]
, COALESCE(DB_NAME(qt.dbid), 'NC.') AS [Database Name]
, qt.text AS [Query]
, SUM(total_worker_time) AS [Cpu]
, SUM(total_elapsed_time) AS [Elapsed Time]
, SUM(execution_count) AS [Execution Count]
, MIN(qs.execution_count) AS [Unique Execution Count]
, SUM(total_logical_reads) AS [Logical Reads]
, SUM(total_physical_reads) AS [Physical Reads]
, SUM(total_logical_writes) AS [Logical Writes]
FROM sys.dm_exec_query_stats qs
CROSS APPLY sys.dm_exec_sql_text(qs.sql_handle) AS qt
WHERE qt.dbid != 32767
OR qt.dbid IS NULL
GROUP BY qt.dbid
, qt.text";
return d.ExecuteWithResults(sql).Tables[0];
}
/// <summary>
/// Get IO statistics.
/// Useful to calculate diff statistics like in Live IO Profiler in Kankuru
/// </summary>
/// <param name="s">SMO server</param>
/// <returns>a DataTable</returns>
public static DataTable GetLiveIOProfiler(this smo.Server s)
{
smo.Database d = s.Databases["master"];
string _sql = @"SELECT DB_NAME(fs.database_id) AS [DbName]
, mf.physical_name AS [FileName]
, io_stall_read_ms AS [IOStallReadMs]
, num_of_reads AS [ReadCount]
, io_stall_write_ms AS [IOStallWriteMs]
, num_of_writes AS [WriteCount]
, io_stall_read_ms + io_stall_write_ms AS [IOStallMs]
, num_of_reads + num_of_writes AS [IOCount]
FROM sys.dm_io_virtual_file_stats(NULL,NULL) AS fs
INNER JOIN sys.master_files AS mf (NOLOCK) ON fs.database_id = mf.database_id
AND fs.[file_id] = mf.[file_id]
ORDER BY [IOCount] DESC
OPTION (RECOMPILE)";
return d.ExecuteWithResults(_sql).Tables[0];
}
#endregion
#region Backups
/// <summary>
/// For each DB, get the recovery model, the last full backup date
/// , the last restore date and the last snapshot date
/// </summary>
public static DataTable GetBackupHistory(this smo.Server s)
{
smo.Database d = s.Databases["msdb"];
return d.ExecuteWithResults(@"WITH cteBackup AS(
SELECT database_name
, MAX(bus.backup_finish_date) AS LastBackUpTime
FROM msdb.dbo.backupset bus
WHERE COALESCE(bus.is_snapshot, 0) != 1
AND COALESCE(bus.type, 'D') = 'D'
GROUP BY database_name
),
cteRestore AS (
SELECT rh.destination_database_name
, MAX(rh.restore_date) as LastRestoreTime
FROM msdb.dbo.restorehistory rh (NOLOCK)
GROUP BY rh.destination_database_name
),
cteSnapshot AS(
SELECT database_name
, MAX(bus.backup_finish_date) AS LastSnapshotTime
FROM msdb.dbo.backupset bus
WHERE bus.is_snapshot = 1
GROUP BY database_name
)
SELECT sdb.name AS DatabaseName
,sdb.recovery_model_desc as recoveryModel
, cb.LastBackUpTime
, cr.LastRestoreTime
, cs.LastSnapshotTime
FROM sys.databases sdb (NOLOCK)
LEFT JOIN cteBackup cb ON sdb.name = cb.database_name
LEFT JOIN cteRestore cr ON sdb.name = cr.destination_database_name
LEFT JOIN cteSnapshot cs ON sdb.name = cs.database_name
ORDER BY DatabaseName").Tables[0];
}
#endregion
#region Logins and Security
/// <summary>
/// Get all login with sysadmin rights
/// </summary>
/// <param name="s">your smo server</param>
/// <returns>the result of the query</returns>
public static DataTable GetWhoIsSa(this smo.Server s)
{
smo.Database d = s.Databases["master"];
return d.ExecuteWithResults(@"SELECT mem.name AS [Login Name]
, mem.type_desc AS [Login Type]
, mem.create_date AS [Create Date]
, mem.modify_date AS [Modify Date]
, mem.is_disabled AS [Is Disabled]
FROM sys.server_role_members AS srm (NOLOCK)
INNER JOIN sys.server_principals AS mem (NOLOCK) ON mem.principal_id = srm.member_principal_id
INNER JOIN sys.server_principals AS rol (NOLOCK) ON rol.principal_id = srm.role_principal_id
WHERE rol.name = 'sysadmin'
ORDER BY mem.name").Tables[0];
}
/// <summary>
/// Get session statistics by login
/// </summary>
/// <param name="s">your smo server</param>
/// <returns>the result of the query</returns>
public static DataTable GetLoginStats(this smo.Server s)
{
smo.Database d = s.Databases["master"];
return d.ExecuteWithResults(@"SELECT login_name AS [Login Name]
, COUNT(session_id) AS [session Count]
, SUM(cpu_time) AS [Cpu Time]
, SUM(memory_usage) AS [Memory Usage]
, SUM(logical_reads) AS [Logical Reads]
, SUM(writes) AS [Writes]
FROM sys.dm_exec_sessions (NOLOCK)
GROUP BY login_name
ORDER BY COUNT(session_id) DESC").Tables[0];
}
/// <summary>
/// Get connections by client
/// </summary>
/// <param name="s">your smo server</param>
/// <returns>the result of the query</returns>
public static DataTable GetLoginConnections(this smo.Server s)
{
smo.Database d = s.Databases["master"];
return d.ExecuteWithResults(@"SELECT es.host_name AS [Host Name]
, ec.client_net_address AS [Client Net Address]
, es.program_name AS [Program Name]
, es.login_name AS [Login Name]
, ec.auth_scheme AS [Auth Schema]
, ec.net_transport AS [Net Transport]
, COUNT(*) AS [Session Count]
FROM sys.dm_exec_sessions es (NOLOCK)
INNER JOIN sys.dm_exec_connections ec (NOLOCK) ON es.session_id = ec.session_id
GROUP BY es.[host_name]
, ec.client_net_address
, es.[program_name]
, es.login_name
, ec.auth_scheme
, ec.net_transport
ORDER BY ec.client_net_address
, es.[program_name]").Tables[0];
}
#endregion
#region Disk
/// <summary>
/// Get information (size, freespace, name, last autogrowth) for each databases files.
/// </summary>
/// <param name="s">your smo server</param>
/// <param name="minSize">Use this param to hide files smaller than this size in Mb(0 by default)</param>
/// <param name="maxSize">Use this param to hide files greater than this size in Mb(2147483647 by default)</param>
/// <param name="withData">To get data files (true by default)</param>
/// <param name="withLog">To get log files (true by default)</param>
/// <returns>a DataTable</returns>
public static DataTable GetFileTreeMaps(this smo.Server s, int minSize = 0, int maxSize = 2147483647, bool withData = true, bool withLog = true)
{
smo.Database d = s.Databases["master"];
string fileTypeFilter = string.Empty;
if (!withData)
{
fileTypeFilter += " AND b.TYPE != 0 ";
}
if (!withLog)
{
fileTypeFilter += " AND b.TYPE = 0 ";
}
string sql = string.Format(@"CREATE TABLE #TMPLASTFILECHANGE
(
databasename nvarchar(128)
, filename nvarchar(128)
, endtime datetime
)
DECLARE @path NVARCHAR(1000)
SELECT @path = SUBSTRING(path, 1, LEN(path) - CHARINDEX('\', REVERSE(path))) + '\log.trc'
FROM sys.traces
WHERE is_default = 1;
IF(@path IS NOT NULL)
BEGIN
WITH CTE (databaseid, filename, EndTime)
AS
(
SELECT DatabaseID
, FileName
, MAX(t.EndTime) AS EndTime
FROM ::fn_trace_gettable(@path, default ) t
WHERE EventClass IN (92, 93)
AND DATEDIFF(hh,StartTime,GETDATE()) < 24
GROUP BY DatabaseID
, FileName
)
INSERT INTO #TMPLASTFILECHANGE
(
databasename
, filename
, endtime
)
SELECT DB_NAME(database_id) AS DatabaseName
, mf.name AS LogicalName
, cte.EndTime
FROM sys.master_files mf
LEFT JOIN CTE cte on mf.database_id=cte.databaseid
AND mf.name=cte.filename
WHERE cte.EndTime IS NOT NULL
END
CREATE TABLE #TMPSPACEUSED
(
DBNAME NVARCHAR(128),
FILENAME NVARCHAR(128),
SPACEUSED FLOAT
)
INSERT INTO #TMPSPACEUSED
(
DBNAME
, FILENAME
, SPACEUSED
)
EXEC('sp_MSforeachdb''use [?]; Select ''''?'''' AS DBName
, Name AS FileNme
, fileproperty(Name,''''SpaceUsed'''') AS SpaceUsed
FROM sys.sysfiles''')
SELECT a.name AS DatabaseName
, b.name AS FileName
, CASE b.type WHEN 0 THEN 'DATA' ELSE b.type_desc END AS FileType
, CAST((CONVERT(BigInt,b.size) * 8 / 1024.0) AS DECIMAL(18,2)) AS FileSize
, CAST((CONVERT(BigInt,b.size) * 8 / 1024.0) - (d.SPACEUSED / 128.0) AS DECIMAL(15,2)) / CAST((CONVERT(BigInt,b.size) * 8 / 1024.0) AS DECIMAL(18,2)) * 100 AS FreeSpace
, b.physical_name
, datediff(DAY, c.endtime, GETDATE()) AS LastGrowth
FROM sys.databases a
INNER JOIN sys.master_files b ON a.database_id = b.database_id
INNER JOIN #TMPSPACEUSED d ON a.name = d.DBNAME
AND b.name = d.FILENAME
LEFT JOIN #TMPLASTFILECHANGE c on a.name = c.databasename
AND b.name = c.filename
WHERE b.size >= ({0} / 8.0 * 1024.0)
AND b.size <= ({1} / 8.0 * 1024.0)
{2}
ORDER BY FileSize DESC
DROP TABLE #TMPSPACEUSED
DROP TABLE #TMPLASTFILECHANGE
", minSize, maxSize, fileTypeFilter);
return d.ExecuteWithResults(sql).Tables[0];
}
/// <summary>
/// Get IO statistics by database files.
/// Useful to detect disk performance issue or high database IO
/// </summary>
/// <param name="s">your smo server</param>
/// <returns>return the result of the query in a DataTable</returns>
public static DataTable GetIOStatistics(this smo.Server s)
{
smo.Database d = s.Databases["master"];
return d.ExecuteWithResults(@"SELECT DB_NAME(fs.database_id) AS [Database Name]
, mf.physical_name AS [Physical Name]
, io_stall_read_ms AS [IO Stall Read ms]
, num_of_reads AS [Num of Reads]
, CASE WHEN num_of_reads = 0 THEN 0
ELSE CAST(io_stall_read_ms / num_of_reads AS NUMERIC(10,1)) END AS [Avg Read Stall ms]
, io_stall_write_ms AS [IO Stall Write ms]
, num_of_writes AS [Num of Writes]
, CASE WHEN num_of_writes = 0 THEN 0
ELSE CAST(io_stall_write_ms / num_of_writes AS NUMERIC(10,1)) END AS [Avg Write Stall ms]
, io_stall_read_ms + io_stall_write_ms AS [IO Stalls]
, num_of_reads + num_of_writes AS [Total IO]
, CASE WHEN (num_of_reads + num_of_writes) = 0 THEN 0
ELSE CAST((io_stall_read_ms + io_stall_write_ms)/(num_of_reads + num_of_writes) AS NUMERIC(10,1)) END AS [Avg IO Stall ms]
FROM sys.dm_io_virtual_file_stats(null,null) AS fs
INNER JOIN sys.master_files AS mf (NOLOCK) ON fs.database_id = mf.database_id
AND fs.[file_id] = mf.[file_id]
ORDER BY [Avg IO Stall ms] DESC
OPTION (RECOMPILE)").Tables[0];
}
/// <summary>
/// Get free disk space by logical drive. If Ole automation procedures are enable, free disk space is available in percentage.
/// </summary>
/// <param name="s">your smo server</param>
/// <returns>datable with logical name + free disk space</returns>
public static DataTable GetFreeDiskSpace(this smo.Server s)
{
string sql = @"DECLARE @t TABLE(
drive VARCHAR(2)
, TotalSize BIGINT DEFAULT 0
, FreeSpace BIGINT)
INSERT INTO @t(drive, FreeSpace)
EXEC xp_fixeddrives
SELECT drive
, TotalSize
, FreeSpace
FROM @t";
if (s.Configuration.OleAutomationProceduresEnabled.RunValue == 1)
{
sql = @"SET NOCOUNT ON
DECLARE @hr INT
DECLARE @fso INT
DECLARE @drive CHAR(1)
DECLARE @odrive INT
DECLARE @TotalSize VARCHAR(20)
DECLARE @MB NUMERIC(18, 2)
SET @MB = 1048576
CREATE TABLE #drives(
drive CHAR(1) PRIMARY KEY
, FreeSpace INT NULL
, TotalSize INT NULL)
INSERT #drives(drive,FreeSpace)
EXEC master.dbo.xp_fixeddrives
EXEC @hr = sp_OACreate 'Scripting.FileSystemObject', @fso OUT
IF @hr <> 0 EXEC sp_OAGetErrorInfo @fso
DECLARE dcur CURSOR LOCAL FAST_FORWARD
FOR SELECT drive
FROM #drives
ORDER by drive
OPEN dcur FETCH NEXT FROM dcur INTO @drive
WHILE @@FETCH_STATUS = 0
BEGIN
EXEC @hr = sp_OAMethod @fso, 'GetDrive', @odrive OUT, @drive
IF @hr <> 0 EXEC sp_OAGetErrorInfo @fso
EXEC @hr = sp_OAGetProperty @odrive, 'TotalSize', @TotalSize OUT
IF @hr <> 0 EXEC sp_OAGetErrorInfo @odrive
UPDATE #drives
SET TotalSize = @TotalSize / @MB
WHERE drive = @drive
FETCH NEXT FROM dcur INTO @drive
END
CLOSE dcur
DEALLOCATE dcur
EXEC @hr = sp_OADestroy @fso
IF @hr <> 0 EXEC sp_OAGetErrorInfo @fso
SELECT drive
, TotalSize
, FreeSpace
FROM #drives
ORDER BY drive
DROP TABLE #drives";
}
smo.Database d = s.Databases["master"];
return d.ExecuteWithResults(sql).Tables[0];
}
/// <summary>
/// Get the size of each data or log files for each databases
/// </summary>
/// <param name="s">the smo server object</param>
/// <param name="fileType">Enum available in KMO.Enums</param>
public static DataTable GetFileSize(this smo.Server s, FileType fileType)
{
string sqlFileType = " WHERE b.type != 1 ";
if(fileType == FileType.Logs)
{
sqlFileType = " WHERE b.type = 1 ";
}
string sql = string.Format(@"CREATE TABLE #TMPLASTFILECHANGE
(
databasename nvarchar(128)
, filename nvarchar(128)
, endtime datetime
)
DECLARE @path NVARCHAR(1000)
SELECT @path = SUBSTRING(path, 1, LEN(path) - CHARINDEX('\', REVERSE(path))) + '\log.trc'
FROM sys.traces
WHERE is_default = 1;
IF(@path IS NOT NULL)
BEGIN
WITH CTE (databaseid, filename, EndTime)
AS
(
SELECT DatabaseID
, FileName
, MAX(t.EndTime) AS EndTime
FROM ::fn_trace_gettable(@path, default ) t
WHERE EventClass IN (92, 93)
AND DATEDIFF(hh,StartTime,GETDATE()) < 24
GROUP BY DatabaseID
, FileName
)
INSERT INTO #TMPLASTFILECHANGE
(
databasename
, filename
, endtime
)
SELECT DB_NAME(database_id) AS DatabaseName
, mf.name AS LogicalName
, cte.EndTime
FROM sys.master_files mf
LEFT JOIN CTE cte on mf.database_id=cte.databaseid
AND mf.name=cte.filename
WHERE cte.EndTime IS NOT NULL
END
CREATE TABLE #TMPSPACEUSED
(
DBNAME NVARCHAR(128),
FILENAME NVARCHAR(128),
SPACEUSED FLOAT
)
INSERT INTO #TMPSPACEUSED
(
DBNAME
, FILENAME
, SPACEUSED
)
EXEC('sp_MSforeachdb''use [?]; Select ''''?'''' AS DBName
, Name AS FileNme
, fileproperty(Name,''''SpaceUsed'''') AS SpaceUsed
FROM sys.sysfiles''')
SELECT a.name AS [Database]
, b.name AS [Logical File Name]
, a.recovery_model_desc AS [Recovery Model]
, CASE WHEN a.database_id = 2 THEN CAST((z.size * 8 / 1024.0) AS DECIMAL(18,2)) ELSE CAST((b.size * 8 / 1024.0) AS DECIMAL(18,2)) END AS [File Size]
, CAST((d.SPACEUSED / 128.0) AS DECIMAL(15,2)) AS [Used Space MB]
, CASE WHEN a.database_id = 2 THEN CAST((z.size * 8 / 1024.0) - (d.SPACEUSED / 128.0) AS DECIMAL(15,2)) ELSE CAST((b.size * 8 / 1024.0) - (d.SPACEUSED / 128.0) AS DECIMAL(15,2)) END AS [Free Space MB]
, CASE WHEN a.database_id = 2 THEN CAST((z.size * 8 / 1024.0) - (d.SPACEUSED / 128.0) AS DECIMAL(15,2)) / CAST((z.size * 8 / 1024.0) AS DECIMAL(18,2)) * 100 ELSE CAST((b.size * 8 / 1024.0) - (d.SPACEUSED / 128.0) AS DECIMAL(15,2)) / CAST((b.size * 8 / 1024.0) AS DECIMAL(18,2)) * 100 END AS [Free Space %]
, c.endtime AS [Last Auto Growth]
, b.physical_name AS [Physical Name]
, CASE WHEN a.state != 0 THEN '#33FF5B66' END AS __rowColor
FROM sys.databases a
INNER JOIN sys.master_files b ON a.database_id = b.database_id
LEFT JOIN tempdb.sys.database_files z with (nolock) ON b.file_id = z.file_id
AND b.database_id = 2
LEFT JOIN #TMPSPACEUSED d ON a.name = d.DBNAME
AND b.name = d.FILENAME
LEFT JOIN #TMPLASTFILECHANGE c on a.name = c.databasename
AND b.name = c.filename
{0}
ORDER BY [File Size] DESC
DROP TABLE #TMPSPACEUSED
DROP TABLE #TMPLASTFILECHANGE", sqlFileType);
smo.Database d = s.Databases["master"];
return d.ExecuteWithResults(sql).Tables[0];
}
#endregion
#region CPU
/// <summary>
/// Get the CPU usage by database from query execution statistics
/// </summary>
/// <param name="s">your smo server</param>
/// <returns>return the result of the query in a DataTable</returns>
public static DataTable GetCPUbyDatabase(this smo.Server s)
{
smo.Database d = s.Databases["master"];
string sql = @"WITH DB_CPU_Stats AS
(
SELECT DatabaseID
, DB_Name(DatabaseID) AS DatabaseName
, SUM(total_worker_time) / 1000 AS CPU_Time_Ms
FROM sys.dm_exec_query_stats AS qs (NOLOCK)
CROSS APPLY (SELECT CONVERT(int, value) AS DatabaseID
FROM sys.dm_exec_plan_attributes(qs.plan_handle)
WHERE attribute = N'dbid') AS F_DB
GROUP BY DatabaseID
)
SELECT DatabaseName AS [Database Name]
, CPU_Time_Ms AS [CPU Time Ms]
, CAST(CPU_Time_Ms * 1.0 / SUM(CPU_Time_Ms) OVER() * 100.0 AS DECIMAL(5, 2)) AS [CPU Percent]
FROM DB_CPU_Stats
WHERE DatabaseID != 32767
ORDER BY ROW_NUMBER() OVER(ORDER BY CPU_Time_Ms DESC) OPTION (RECOMPILE)";
return d.ExecuteWithResults(sql).Tables[0];
}
/// <summary>
/// Get the CPU usage history (256 last ticks) from dm_os_ring_buffers
/// This dmv is not supported by Microsoft...
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public static DataTable GetCPUFromRing(this smo.Server s)
{
smo.Database d = s.Databases["master"];
string sql = @"DECLARE @ts_now bigint
SELECT @ts_now = cpu_ticks / (cpu_ticks / ms_ticks)
FROM sys.dm_os_sys_info
;WITH ring AS
(
SELECT
record.value('(Record/@id)[1]', 'int') AS record_id,
DATEADD (ms, -1 * (@ts_now - [timestamp]), GETDATE()) AS EventTime,
100-record.value('(Record/SchedulerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_post_sp2,
record.value('(Record/SchedulerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_post_sp2 ,
100-record.value('(Record/SchedluerMonitorEvent/SystemHealth/SystemIdle)[1]', 'int') AS system_cpu_utilization_pre_sp2,
record.value('(Record/SchedluerMonitorEvent/SystemHealth/ProcessUtilization)[1]', 'int') AS sql_cpu_utilization_pre_sp2
FROM (
SELECT timestamp, CONVERT (xml, record) AS record
FROM sys.dm_os_ring_buffers
WHERE ring_buffer_type = 'RING_BUFFER_SCHEDULER_MONITOR'
AND record LIKE '%<SystemHealth>%') AS t
), cte AS
(
SELECT EventTime
, CASE WHEN system_cpu_utilization_post_sp2 IS NOT NULL THEN system_cpu_utilization_post_sp2 ELSE system_cpu_utilization_pre_sp2 END AS system_cpu
, CASE WHEN sql_cpu_utilization_post_sp2 IS NOT NULL THEN sql_cpu_utilization_post_sp2 ELSE sql_cpu_utilization_pre_sp2 END AS sql_cpu
FROM ring
)
SELECT EventTime
, system_cpu
, CASE WHEN sql_cpu > system_cpu THEN sql_cpu / 2 ELSE sql_cpu END AS sql_cpu
FROM cte
ORDER BY EventTime DESC";
return d.ExecuteWithResults(sql).Tables[0];
}
/// <summary>
/// Returns the list of windows process. Not yet tested on linux
/// </summary>
/// <param name="s"></param>
/// <returns></returns>
public static DataTable GetProcessCPU(this smo.Server s)
{
smo.Database d = s.Databases["master"];
string sql = @"EXEC xp_cmdshell 'powershell ""get-process | Select-Object ProcessName, CPU""'";
return d.ExecuteWithResults(sql).Tables[0];
}
#endregion
#region Memory
/// <summary>
/// Get Buffer Size by Database
/// </summary>
/// <param name="s">your smo server</param>
/// <returns>return the result of the query in a DataTable</returns>
public static DataTable GetBufferByDatabase(this smo.Server s)
{
smo.Database d = s.Databases["master"];
string sql = @"SELECT CASE WHEN database_id = 32767 THEN 'Resource' ELSE DB_NAME(database_id) END AS [Database]
, COUNT(*) / 128 AS [Cached_Size]
FROM sys.dm_os_buffer_descriptors (NOLOCK)
GROUP BY database_id
ORDER BY [Cached_Size] DESC
OPTION (RECOMPILE)";
return d.ExecuteWithResults(sql).Tables[0];
}
#endregion
#region Waits
/// <summary>
/// Get Wait statistics for an instance. Very helpful to understand performance issues
/// </summary>
/// <param name="s">your smo server</param>
/// <param name="listWaitToIgnore">List of wait stats to ignore with simple quote and separated by coma. Example : 'WaitStatToIgnore1', 'WaitStatToIgnore2' </param>
/// <returns>return the result of the query in a DataTable</returns>
public static DataTable GetWaitStatistics(this smo.Server s, string listWaitToIgnore = "'BROKER_EVENTHANDLER', 'BROKER_RECEIVE_WAITFOR', 'BROKER_TASK_STOP', 'BROKER_TO_FLUSH', 'BROKER_TRANSMITTER', 'CHECKPOINT_QUEUE', 'CHKPT', 'CLR_AUTO_EVENT', 'CLR_MANUAL_EVENT', 'CLR_SEMAPHORE', 'DBMIRROR_DBM_EVENT', 'DBMIRROR_EVENTS_QUEUE', 'DBMIRROR_WORKER_QUEUE', 'DBMIRRORING_CMD', 'DIRTY_PAGE_POLL', 'DISPATCHER_QUEUE_SEMAPHORE', 'EXECSYNC', 'FSAGENT', 'FT_IFTS_SCHEDULER_IDLE_WAIT', 'FT_IFTSHC_MUTEX', 'HADR_CLUSAPI_CALL', 'HADR_FILESTREAM_IOMGR_IOCOMPLETION', 'HADR_LOGCAPTURE_WAIT', 'HADR_NOTIFICATION_DEQUEUE', 'HADR_TIMER_TASK', 'HADR_WORK_QUEUE', 'KSOURCE_WAKEUP', 'LAZYWRITER_SLEEP', 'LOGMGR_QUEUE', 'ONDEMAND_TASK_QUEUE', 'PWAIT_ALL_COMPONENTS_INITIALIZED', 'QDS_PERSIST_TASK_MAIN_LOOP_SLEEP', 'QDS_CLEANUP_STALE_QUERIES_TASK_MAIN_LOOP_SLEEP', 'REQUEST_FOR_DEADLOCK_SEARCH', 'RESOURCE_QUEUE', 'SERVER_IDLE_CHECK', 'SLEEP_BPOOL_FLUSH', 'SLEEP_DBSTARTUP', 'SLEEP_DCOMSTARTUP', 'SLEEP_MASTERDBREADY', 'SLEEP_MASTERMDREADY', 'SLEEP_MASTERUPGRADED', 'SLEEP_MSDBSTARTUP', 'SLEEP_SYSTEMTASK', 'SLEEP_TASK', 'SLEEP_TEMPDBSTARTUP', 'SNI_HTTP_ACCEPT', 'SP_SERVER_DIAGNOSTICS_SLEEP', 'SQLTRACE_BUFFER_FLUSH', 'SQLTRACE_INCREMENTAL_FLUSH_SLEEP', 'SQLTRACE_WAIT_ENTRIES', 'WAIT_FOR_RESULTS', 'WAITFOR', 'WAITFOR_TASKSHUTDOWN', 'WAIT_XTP_HOST_WAIT', 'WAIT_XTP_OFFLINE_CKPT_NEW_LOG', 'WAIT_XTP_CKPT_CLOSE', 'XE_DISPATCHER_JOIN', 'XE_DISPATCHER_WAIT', 'XE_TIMER_EVENT'")
{
smo.Database d = s.Databases["master"];
string sqlIgnore = string.Empty;
if (!string.IsNullOrEmpty(listWaitToIgnore))
{
sqlIgnore = "AND [wait_type] NOT IN (" + listWaitToIgnore + ")";
}
string sql = string.Format(@"WITH [Waits] AS
(
SELECT
[wait_type],
[wait_time_ms] / 1000.0 AS [WaitS],
([wait_time_ms] - [signal_wait_time_ms]) / 1000.0 AS [ResourceS],
[signal_wait_time_ms] / 1000.0 AS [SignalS],
[waiting_tasks_count] AS [WaitCount],
100.0 * [wait_time_ms] / SUM ([wait_time_ms]) OVER() AS [Percentage],
ROW_NUMBER() OVER(ORDER BY [wait_time_ms] DESC) AS [RowNum],
CASE WHEN CHARINDEX('_', wait_type, 0) != 0 THEN SUBSTRING(wait_type,0, CHARINDEX('_', wait_type, 0)) ELSE wait_type END AS [Category]
FROM sys.dm_os_wait_stats
WHERE [waiting_tasks_count] > 0
{0}
)
SELECT
MAX ([W1].[wait_type]) AS [Wait Type]
, MAX ([W1].[Category]) AS [Category]
, MAX ([W1].[WaitCount]) AS [Tasks Count]
, CAST (MAX ([W1].[WaitS]) AS DECIMAL (16,2)) AS [Wait Time]
, CAST (MAX ([W1].[Percentage]) AS DECIMAL (5,2)) AS [Wait Percent]
FROM [Waits] AS [W1]
INNER JOIN [Waits] AS [W2] ON [W2].[RowNum] <= [W1].[RowNum]
GROUP BY [W1].[RowNum]
HAVING SUM ([W2].[Percentage]) - MAX ([W1].[Percentage]) < 99;", sqlIgnore);
DataTable dt = d.ExecuteWithResults(sql).Tables[0];
dt.Columns.Add(new DataColumn("Description"));
foreach (DataRow dr in dt.Rows)
{
string waitType = dr["Wait Type"].ToString();
dr["Description"] = (from l in Resources.WaitTypes.GetWaitsDictionary()
where l.Key == waitType
select l.Value).SingleOrDefault();
}
return dt;
}
/// <summary>
/// Get Wait statistics for an instance. Used in Live Wait Profiler
/// </summary>
/// <param name="s">your smo server</param>
/// <param name="listWaitToIgnore">Optionnal List of wait stats to ignore with simple quote and separated by coma. Example : 'WaitStatToIgnore1', 'WaitStatToIgnore2' </param>
/// <returns>return the result of the query in a DataTable</returns>
public static DataTable GetLiveWaitProfiler(this smo.Server s, string listWaitToIgnore = "'BROKER_EVENTHANDLER', 'BROKER_RECEIVE_WAITFOR', 'BROKER_TASK_STOP', 'BROKER_TO_FLUSH', 'BROKER_TRANSMITTER', 'CHECKPOINT_QUEUE', 'CHKPT', 'CLR_AUTO_EVENT', 'CLR_MANUAL_EVENT', 'CLR_SEMAPHORE', 'DBMIRROR_DBM_EVENT', 'DBMIRROR_EVENTS_QUEUE', 'DBMIRROR_WORKER_QUEUE', 'DBMIRRORING_CMD', 'DIRTY_PAGE_POLL', 'DISPATCHER_QUEUE_SEMAPHORE', 'EXECSYNC', 'FSAGENT', 'FT_IFTS_SCHEDULER_IDLE_WAIT', 'FT_IFTSHC_MUTEX', 'HADR_CLUSAPI_CALL', 'HADR_FILESTREAM_IOMGR_IOCOMPLETION', 'HADR_LOGCAPTURE_WAIT', 'HADR_NOTIFICATION_DEQUEUE', 'HADR_TIMER_TASK', 'HADR_WORK_QUEUE', 'KSOURCE_WAKEUP', 'LAZYWRITER_SLEEP', 'LOGMGR_QUEUE', 'ONDEMAND_TASK_QUEUE', 'PWAIT_ALL_COMPONENTS_INITIALIZED', 'QDS_PERSIST_TASK_MAIN_LOOP_SLEEP', 'QDS_CLEANUP_STALE_QUERIES_TASK_MAIN_LOOP_SLEEP', 'REQUEST_FOR_DEADLOCK_SEARCH', 'RESOURCE_QUEUE', 'SERVER_IDLE_CHECK', 'SLEEP_BPOOL_FLUSH', 'SLEEP_DBSTARTUP', 'SLEEP_DCOMSTARTUP', 'SLEEP_MASTERDBREADY', 'SLEEP_MASTERMDREADY', 'SLEEP_MASTERUPGRADED', 'SLEEP_MSDBSTARTUP', 'SLEEP_SYSTEMTASK', 'SLEEP_TASK', 'SLEEP_TEMPDBSTARTUP', 'SNI_HTTP_ACCEPT', 'SP_SERVER_DIAGNOSTICS_SLEEP', 'SQLTRACE_BUFFER_FLUSH', 'SQLTRACE_INCREMENTAL_FLUSH_SLEEP', 'SQLTRACE_WAIT_ENTRIES', 'WAIT_FOR_RESULTS', 'WAITFOR', 'WAITFOR_TASKSHUTDOWN', 'WAIT_XTP_HOST_WAIT', 'WAIT_XTP_OFFLINE_CKPT_NEW_LOG', 'WAIT_XTP_CKPT_CLOSE', 'XE_DISPATCHER_JOIN', 'XE_DISPATCHER_WAIT', 'XE_TIMER_EVENT'")
{
string sqlIgnore = string.Empty;
if (!string.IsNullOrEmpty(listWaitToIgnore))
{
sqlIgnore = "AND [wait_type] NOT IN (" + listWaitToIgnore + ")";
}
smo.Database d = s.Databases["master"];
string sql = string.Format(@"SELECT wait_type
, CAST(wait_time_ms / 1000.0 AS DECIMAL (16,2)) AS [Wait]
, CAST((wait_time_ms - signal_wait_time_ms) / 1000.0 AS DECIMAL (16,2)) AS [Resource]
, CAST(signal_wait_time_ms / 1000.0 AS DECIMAL (16,2)) AS [Signal]
, waiting_tasks_count AS [Count]
, CASE WHEN CHARINDEX('_', wait_type, 0) != 0 THEN SUBSTRING(wait_type,0, CHARINDEX('_', wait_type, 0)) ELSE wait_type END AS [Category]
FROM sys.dm_os_wait_stats
WHERE waiting_tasks_count > 0
{0}
ORDER BY wait_type", sqlIgnore);
DataTable dt = d.ExecuteWithResults(sql).Tables[0];
dt.Columns.Add(new DataColumn("Description"));
foreach (DataRow dr in dt.Rows)
{
string waitType = dr["wait_type"].ToString();
dr["Description"] = (from l in Resources.WaitTypes.GetWaitsDictionary()
where l.Key == waitType
select l.Value).SingleOrDefault();
}
return dt;
}
/// <summary>
/// Get lock statistics for an instance. Used in Live Lock Profiler
/// </summary>
/// <param name="s">your smo server</param>
/// <returns>return the result of the query in a DataTable</returns>
public static DataTable GetLiveLockProfiler(this smo.Server s)
{
smo.Database d = s.Databases["master"];
string sql = @";WITH cte AS
(
SELECT CAST(qe.session_id AS VARCHAR) AS [Session_Id]
, blocking_session_id
, db_name(qe.Database_id) AS [DatabaseName]
, s.login_name
, s.host_name
, s.program_name
, s.client_interface_name
, start_time
, qe.logical_reads
, qe.writes
, qe.cpu_time
, qe.command
, a.text AS [Query]
FROM sys.dm_exec_requests qe (NOLOCK)
INNER JOIN sys.dm_exec_sessions s (NOLOCK) on qe.session_id = s.session_id
LEFT JOIN (select sqe.session_id
, st.text
FROM sys.dm_exec_requests sqe (NOLOCK)
CROSS APPLY sys.dm_exec_sql_text(sqe.sql_handle) st) a ON qe.session_id = a.session_id
WHERE qe.session_id != @@SPID
)
SELECT c.Session_Id
, c.DatabaseName
, c.login_name
, c.host_name