通过本地Agent监控Azure sql database

Posted jil.wen

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背景:

虽然Azure sql database有DMVs可以查看DTU等使用情况,但记录有时间限制,不会一直保留。为了更好监控Azure_sql_database上各个库的DTU使用情况、数据库磁盘使用情况、阻塞等情况。通过本地的Agent的job使用link server 链接到各个Azure sql database 对应库(本地Ip能直连azure sql database),把相关的信息读取出来,存储在本地已新建好的对应表中,通过分析本地对应表中记录来实现监控azure sql database各个库的情况。如需了解azure sql database 与 ssms在开发上的一些区别。

 

基本思路:

第一步:本地库中新建好相应的表用来存放从azure sql database 上读取的记录;

第二步:在本地实例中新建好各个对应azure sql database 各个库的数据库链接,并把相关信息存放在azure_dblink_configure表中;

第三步:在本地库中新建好存储过程用来处理azure sql database上的记录存储在本地对应的表中;

第四步:在本地数据库的代理中新建job通过计划循环调用存储过程;

本地测试环境:

Microsoft SQL Server 2012 - 11.0.2100.60 (X64)

    Feb 10 2012 19:39:15

    Copyright (c) Microsoft Corporation

    Enterprise Edition (64-bit) on Windows NT 6.2 <X64> (Build 9200: )

 

具体实现步骤:

第一步:新建库新建表

  1 --新建保存监控记录的库
  2 IF DB_ID(\'azure_monitor\') IS NOT NULL
  3     DROP DATABASE azure_monitor;
  4 GO
  5 CREATE DATABASE azure_monitor;
  6 GO 
  7 USE azure_monitor;
  8 GO 
  9 --在保存监控记录的库上新建如下表:
 10 IF OBJECT_ID(\'azure_dblink_configure\',\'U\') IS NOT NULL
 11 DROP TABLE azure_dblink_configure;
 12  
 13 CREATE TABLE azure_dblink_configure
 14     (
 15       id INT IDENTITY(1, 1) ,
 16       dblink NVARCHAR(200) NOT NULL , --dblink
 17       dbname NVARCHAR(50) NOT NULL ,
 18       descriptions NVARCHAR(200) ,  --描述
 19       okflag BIT DEFAULT ( 1 )
 20                  NOT NULL ,   ---1启用,0停用
 21       createuser NVARCHAR(20) ,  --创建人
 22       createdate DATETIME DEFAULT ( GETDATE() )
 23                           NOT NULL ,  --创建时间
 24       updatedate DATETIME DEFAULT ( GETDATE() )
 25                           NOT NULL   ---更新时间
 26     );
 27 ALTER TABLE azure_dblink_configure ADD CONSTRAINT PK_azure_dblink_configure PRIMARY KEY(dblink,dbname);
 28 
 29 --监控存储空间表
 30 IF OBJECT_ID(\'monitor_azure_spaceused\',\'U\') IS NOT NULL
 31 DROP TABLE monitor_azure_spaceused;
 32  
 33 CREATE TABLE monitor_azure_spaceused
 34     (
 35       id INT IDENTITY(1, 1)
 36              PRIMARY KEY ,
 37       dblink NVARCHAR(200),
 38       database_name VARCHAR(200) ,
 39       [sum_database(G)] decimal(18, 2),
 40       execute_time_beijing DATETIME,
 41       create_time DATETIME DEFAULT(GETDATE())
 42     );
 43 
 44 --监控DTU等情况表 
 45 IF OBJECT_ID(\'monitor_azure_DTU\', \'U\') IS NOT NULL
 46     DROP TABLE monitor_azure_DTU;
 47  
 48 CREATE TABLE monitor_azure_DTU
 49     (
 50       id INT IDENTITY(1, 1)
 51              PRIMARY KEY ,
 52       dblink NVARCHAR(200),
 53       database_name VARCHAR(200) ,
 54       beijin_end_time DATETIME NULL ,
 55       avg_cpu_percent DECIMAL NULL ,
 56       avg_data_io_percent DECIMAL NULL ,
 57       avg_log_write_percent DECIMAL NULL ,
 58       avg_memory_usage_percent DECIMAL NULL ,
 59       xtp_storage_percent DECIMAL NULL ,
 60       max_worker_percent DECIMAL NULL ,
 61       max_session_percent DECIMAL NULL ,
 62       dtu_limit INT NULL ,
 63       create_time DATETIME DEFAULT ( GETDATE() )
 64 );
 65  
 66 CREATE INDEX IX_monitor_azure_DTU ON monitor_azure_DTU ([database_name]) INCLUDE ([beijin_end_time]);
 67  
 68 --监控阻塞表 
 69 IF OBJECT_ID(\'monitor_azure_blocked\', \'U\') IS NOT NULL
 70     DROP TABLE monitor_azure_blocked;
 71  
 72 CREATE TABLE monitor_azure_blocked
 73     (
 74       id INT IDENTITY(1, 1)
 75              PRIMARY KEY ,
 76       dblink NVARCHAR(200),
 77       dbname VARCHAR(200) ,
 78       spid SMALLINT NOT NULL ,
 79       kpid SMALLINT NOT NULL ,
 80       blocked SMALLINT NOT NULL ,
 81       waittype [VARCHAR](MAX) NOT NULL ,
 82       waittime BIGINT NOT NULL ,
 83       lastwaittype NCHAR(32) NOT NULL ,
 84       waitresource NCHAR(256) NOT NULL ,
 85       dbid SMALLINT NOT NULL ,
 86       uid SMALLINT NULL ,
 87       cpu INT NOT NULL ,
 88       physical_io BIGINT NOT NULL ,
 89       memusage INT NOT NULL ,
 90       login_time DATETIME NOT NULL ,
 91       last_batch DATETIME NOT NULL ,
 92       ecid SMALLINT NOT NULL ,
 93       open_tran SMALLINT NOT NULL ,
 94       status NCHAR(30) NOT NULL ,
 95       sid [VARCHAR](MAX) NOT NULL ,
 96       hostname NCHAR(128) NOT NULL ,
 97       program_name NCHAR(128) NOT NULL ,
 98       hostprocess NCHAR(10) NOT NULL ,
 99       cmd NCHAR(16) NOT NULL ,
100       nt_domain NCHAR(128) NOT NULL ,
101       nt_username NCHAR(128) NOT NULL ,
102       net_address NCHAR(12) NOT NULL ,
103       net_library NCHAR(12) NOT NULL ,
104       loginame NCHAR(128) NOT NULL ,
105       context_info [VARCHAR](MAX) NOT NULL ,
106       sql_handle [VARCHAR](MAX) NOT NULL ,
107       stmt_start INT NOT NULL ,
108       stmt_end INT NOT NULL ,
109       request_id INT NOT NULL ,
110       [text]  NVARCHAR(max),
111       createtime DATETIME DEFAULT ( GETDATE() )
112     );
View Code

第二步:新建link server,针对Azure sql database各个库新建链接

 1 --具体的例子
 2 EXEC sp_addlinkedserver 
 3 @server=\'azure_sql_db_01\', -- dblink名称
 4 @srvproduct=\'\',      
 5 @provider=\'sqlncli\', -- using SQL Server Native Client 
 6 @datasrc=\'XXXXXX.database.chinacloudapi.cn\', -- 链接的数据库链接 
 7 @location=\'\', 
 8 @provstr=\'\', 
 9 @catalog=\'your_DB_name\'        
10  
11 EXEC sp_addlinkedsrvlogin \'azure_sql_db_01\', \'false\', NULL, \'用户名\', \'用户密码\';
12 --注意用户是否有权限正常执行下述新建的存储过程
13  
14 EXEC sp_serveroption \'azure_sql_db_01\', \'rpc out\', true;
15 
16 
17 --插入azure_dblink_configure
18 IF NOT EXISTS ( SELECT  *
19                 FROM    azure_dblink_configure
20                 WHERE   dblink = N\'azure_sql_db_01\'
21                         AND dbname = N\'your_DB_name\' )
22     BEGIN 
23         INSERT  INTO azure_dblink_configure
24                 ( dblink ,
25                   dbname ,
26                   descriptions ,
27                   createuser
28                 )
29         VALUES  ( N\'azure_sql_db_01\' ,
30                   N\'your_DB_name\' ,
31                   N\'某某项目\' ,
32                   N\'新建人员\'
33                 );
34     END; 
View Code

第三步:在本地新建存储过程

  1 ----监控库azure sql database 的存储过程例子
  2 /*=============================================
  3 -- Author:    jil.wen
  4 -- Create date: 2016/9/6
  5 -- Description:   监控azure sql database 上对应库库容量、DTU、阻塞情况;
  6 -- demo :   exec dbo.Azure_p_monitor 
  7  ============================================= */
  8 CREATE  PROCEDURE dbo.Azure_p_monitor
  9 AS
 10     BEGIN 
 11         SET NOCOUNT ON;
 12         DECLARE @linkserver NVARCHAR(MAX);--临时存储linkserver信息
 13         DECLARE @dblink NVARCHAR(200);    --dblink名称
 14         DECLARE @dbname NVARCHAR(50);     --dbname 名称
 15         DECLARE @id INT;                  --id
 16         DECLARE cur_wen CURSOR FORWARD_ONLY
 17         FOR
 18             SELECT  id ,
 19                     dblink ,
 20                     dbname
 21             FROM    azure_dblink_configure
 22             WHERE   okflag = 1
 23             ORDER BY id ASC;
 24         OPEN cur_wen;
 25         FETCH NEXT FROM cur_wen INTO @id, @dblink, @dbname;
 26         WHILE ( @@FETCH_STATUS = 0 )
 27             BEGIN 
 28             
 29                 SELECT  @linkserver = \'[\' + @dblink + \']\' + \'.\' + \'[\'
 30                         + @dbname + \']\'; 
 31                --具体处理业务逻辑
 32                 BEGIN TRY 
 33                     ----监控DTU存储过程例子
 34                     BEGIN 
 35                         DECLARE @addtime DATETIME;
 36                      --取本地对应库的插入记录时间,注意本地的时间与azure sql database上的时间相差8小时
 37                         IF EXISTS ( SELECT  1
 38                                     FROM    monitor_azure_DTU
 39                                     WHERE   database_name = @dbname )
 40                             BEGIN 
 41                                 SELECT  @addtime = MAX([beijin_end_time])
 42                                 FROM    monitor_azure_DTU
 43                                 WHERE   database_name = @dbname;
 44                             END; 
 45                         ELSE   --如果为没有,默认是当前时间减一天
 46                             SELECT  @addtime = DATEADD(dd, -1, GETDATE());
 47                        -- PRINT @addtime;
 48                         DECLARE @addtime_nvar NVARCHAR(200);
 49                         SELECT  @addtime_nvar = CAST(@addtime AS NVARCHAR(200)); --转换类型
 50                        -- DECLARE @tmpsql NVARCHAR(MAX);  --调试变量
 51                         EXEC ( \'  INSERT  INTO monitor_azure_DTU
 52                         ( dblink,
 53                         database_name ,
 54                         beijin_end_time ,
 55                         avg_cpu_percent ,
 56                         avg_data_io_percent ,
 57                         avg_log_write_percent ,
 58                         avg_memory_usage_percent ,
 59                         xtp_storage_percent ,
 60                         max_worker_percent ,
 61                         max_session_percent ,
 62                         dtu_limit
 63                         )
 64                         SELECT \'+\'\'\'\'+@dblink+\'\'\'\'+ \' as dblink,\'+\'\'\'\' + @dbname + \'\'\'\'+\' AS database_name ,
 65                         DATEADD(hh, 8, a.end_time) as beijin_end_time ,
 66                         a.avg_cpu_percent ,
 67                         a.avg_data_io_percent ,
 68                         a.avg_log_write_percent ,
 69                         a.avg_memory_usage_percent ,
 70                         a.xtp_storage_percent ,
 71                         a.max_worker_percent ,
 72                         a.max_session_percent ,
 73                         a.dtu_limit
 74                         FROM  \' + @linkserver + \'.sys.dm_db_resource_stats as a
 75                         WHERE   end_time > DATEADD(hh, -8,\'+\'\'\'\' +@addtime_nvar +\'\'\'\' + \')\');
 76                     END; 
 77                     ----监控阻塞存储过程例子
 78                     BEGIN 
 79  
 80                         DECLARE @spid NVARCHAR(50);
 81                         SELECT  @spid = CAST(@@spid AS NVARCHAR(50));
 82                        
 83                        
 84                         EXEC (\'
 85                         INSERT INTO monitor_azure_blocked( dblink,dbname, spid, kpid, blocked, waittype, waittime, lastwaittype, waitresource, [dbid], [uid], cpu, physical_io, memusage, login_time, last_batch, ecid, open_tran, [status], [sid], hostname, [program_name], hostprocess, cmd, nt_domain, nt_username, net_address, net_library, loginame, [context_info], [sql_handle], stmt_start, stmt_end, request_id,text)
 86                         SELECT \'+\'\'\'\'+@dblink+\'\'\'\'+\' as dblink,*
 87                         FROM  openquery(\'+@dblink+\',\'\' SELECT  b.name AS dbname ,
 88                         a.spid ,
 89                         a.kpid ,
 90                         a.blocked ,
 91                         a.waittype ,
 92                         a.waittime ,
 93                         a.lastwaittype ,
 94                         a.waitresource ,
 95                         a.[dbid] ,
 96                         a.[uid] ,
 97                         a.cpu ,
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