有足够的系统内存资源池“内部”(There is insufficient system memor

SQL Server 2008中链接服务器和特设的INSERT引起快速内存泄漏，最终导致服务器无响应，并与以下错误结束：

Msg 701, Level 17, State 123, Server BRECK-PC\SQLEXPRESS, Line 2
There is insufficient system memory in resource pool 'internal' to run this 
query.

Location:        qxcntxt.cpp:1052
Expression:      cref == 0
SPID:            51
Process ID:      1880

直到重新启动SQL Server服务器仍然无响应。

软件使用：

• Windows Vista旗舰版的64位版本6001 SP1

• 微软的SQL Server 2008（SP1） - 10.0.2734.0（X64）2009年9月11日14时30分58秒版权所有（C）1988-2008微软公司速成版在Windows NT 6.0高级服务（64位）（建设6001：服务包1）

• 从SQL Anywhere的11.0.1.2276 SAOLEDB.11司机

设置最大服务器内存（MB）2048没有帮助。

加入各种-g值（例如，-g256;）服务器启动参数没有帮助。

使用DBCC FREESYSTEMCACHE（ 'ALL'），DBCC FREESESSIONCACHE和DBCC FREEPROCCACHE没有帮助。

安装Cumnulative更新包4到SQL Server 2008 Service Pack 1中并没有帮助，即使它包含一个修复涉及链接的服务器使用了内存泄漏的症状。

分离SELECT ... ROW_NUMBER（）OVER ......从INSERT查询没有帮助。 实验表明，复杂的SELECT没有造成内存泄漏，该INSERT一样。

更改代码使用特设“INSERT INTO OPENROWSET”语法，而不是链接的服务器并没有帮助; 下面的代码显示链接的服务器使用。

所述sysinternals.com过程探索实用程序显示的存储器使用量用sqlserver.exe，而不是由SQL Anywhere的OLEDB驱动SAOLEDB.11使用的DLL相关联。

需要注意的是SQL Anywhere版本链接服务器（代理表）的工作原理确定，从SQL Server 2008中的表在一个事务中“拉” 190万行到SQL Anywhere 11数据库。 这里示出的逻辑是使用链接服务器功能，以“推”的行的尝试; 相同的方向，不同的语法。

代码如下： 内存4G是后EXECUTE copy_mss_t2三个或四个执行耗尽：

EXEC sys.sp_configure 
   N'show advanced options',  
   N'1'
GO

RECONFIGURE WITH OVERRIDE
GO

EXEC sys.sp_configure
   N'max server memory (MB)',
   N'2048'
GO

RECONFIGURE WITH OVERRIDE
GO

EXEC sys.sp_configure
   N'show advanced options',
   N'0'
GO

RECONFIGURE WITH OVERRIDE
GO
EXEC master.dbo.sp_MSset_oledb_prop
   N'SAOLEDB.11',
   N'AllowInProcess',
   1
GO

sp_addlinkedserver
   @server = 'mem',
   @srvproduct = 'SQL Anywhere OLE DB Provider',
   @provider = 'SAOLEDB.11',
   @datasrc = 'mem_PAVILION2'
GO

EXEC master.dbo.sp_serveroption
   @server=N'mem',
   @optname=N'rpc',
   @optvalue=N'true'
GO

EXEC master.dbo.sp_serveroption
   @server=N'mem',
   @optname=N'rpc out',
   @optvalue=N'true'
GO

sp_addlinkedsrvlogin
   @rmtsrvname = 'mem',
   @useself = 'false',
   @locallogin = NULL,
   @rmtuser = 'dba',
   @rmtpassword = 'sql'
GO

CREATE PROCEDURE copy_mss_t2
   @from_row            BIGINT,
   @to_row              BIGINT,
   @rows_copied_count   BIGINT OUTPUT
AS

   SELECT *
     INTO #t
     FROM ( SELECT *,
                   ROW_NUMBER()
                      OVER ( ORDER BY sample_set_number,
                                      connection_number )
                   AS t2_row_number
             FROM mss_t2 ) AS ordered_mss_t2
    WHERE ordered_mss_t2.t2_row_number BETWEEN @from_row AND @to_row;

   SELECT @rows_copied_count = COUNT(*)
     FROM #t;

INSERT INTO mem..dba.sa_t2
SELECT sampling_id,
       sample_set_number,
       connection_number,
       blocker_owner_table_name,
       blocker_lock_type,
       blocker_owner_name,
       blocker_table_name,
       blocker_reason,
       blocker_row_identifier,
       current_engine_version,
       page_size,
       ApproximateCPUTime,
       BlockedOn,
       BytesReceived,
       BytesSent,
       CacheHits,
       CacheRead,
   "Commit",
   DiskRead,
   DiskWrite,
   FullCompare,
   IndAdd,
   IndLookup,
   Isolation_level,
   LastReqTime,
   LastStatement,
   LockCount,
   LockName,
   LockTableOID,
   LoginTime,
   LogWrite,
   Name,
   NodeAddress,
   Prepares,
   PrepStmt,
   QueryLowMemoryStrategy,
   QueryOptimized,
   QueryReused,
   ReqCountActive,
   ReqCountBlockContention,
   ReqCountBlockIO,
   ReqCountBlockLock,
   ReqCountUnscheduled,
   ReqStatus,
   ReqTimeActive,
   ReqTimeBlockContention,
   ReqTimeBlockIO,
   ReqTimeBlockLock,
   ReqTimeUnscheduled,
   ReqType,
   RequestsReceived,
   Rlbk,
   RollbackLogPages,
   TempFilePages,
   TransactionStartTime,
   UncommitOp,
   Userid,
   previous_ApproximateCPUTime,
   interval_ApproximateCPUTime,
   previous_Commit,
   interval_Commit,
   previous_Rlbk,
   interval_Rlbk
  FROM #t;

GO

DECLARE @rows_copied_count BIGINT
EXECUTE copy_mss_t2 1110001, 1120000, @rows_copied_count OUTPUT
SELECT @rows_copied_count
GO

EXECUTE create_linked_server
GO

DECLARE @rows_copied_count BIGINT
EXECUTE copy_mss_t2 1120001, 1130000, @rows_copied_count OUTPUT
SELECT @rows_copied_count
GO

EXECUTE create_linked_server
GO

下面是SQL Server源表，包含有关数据的1G的190万行：

CREATE TABLE mss_t2 (
   sampling_id                       BIGINT NOT NULL,
   sample_set_number                 BIGINT NOT NULL,
   connection_number                 BIGINT NOT NULL,
   blocker_owner_table_name          VARCHAR ( 257 ) NULL,
   blocker_lock_type                 VARCHAR ( 32 ) NULL,
   blocker_owner_name                VARCHAR ( 128 ) NULL,
   blocker_table_name                VARCHAR ( 128 ) NULL,
   blocker_reason                    TEXT NULL,
   blocker_row_identifier            VARCHAR ( 32 ) NULL,
   current_engine_version            TEXT NOT NULL,
   page_size                         INTEGER NOT NULL,
   ApproximateCPUTime                DECIMAL ( 30, 6 ) NULL,
   BlockedOn                         BIGINT NULL,
   BytesReceived                     BIGINT NULL,
   BytesSent                         BIGINT NULL,
   CacheHits                         BIGINT NULL,
   CacheRead                         BIGINT NULL,
   "Commit"                          BIGINT NULL,
   DiskRead                          BIGINT NULL,
   DiskWrite                         BIGINT NULL,
   FullCompare                       BIGINT NULL,
   IndAdd                            BIGINT NULL,
   IndLookup                         BIGINT NULL,
   Isolation_level                   BIGINT NULL,
   LastReqTime                       TEXT NOT NULL DEFAULT '1900-01-01',
   LastStatement                     TEXT NULL,
   LockCount                         BIGINT NULL,
   LockName                          BIGINT NULL,
   LockTableOID                      BIGINT NULL,
   LoginTime                         TEXT NOT NULL DEFAULT '1900-01-01',
   LogWrite                          BIGINT NULL,
   Name                              VARCHAR ( 128 ) NULL,
   NodeAddress                       TEXT NULL,
   Prepares                          BIGINT NULL,
   PrepStmt                          BIGINT NULL,
   QueryLowMemoryStrategy            BIGINT NULL,
   QueryOptimized                    BIGINT NULL,
   QueryReused                       BIGINT NULL,
   ReqCountActive                    BIGINT NULL,
   ReqCountBlockContention           BIGINT NULL,
   ReqCountBlockIO                   BIGINT NULL,
   ReqCountBlockLock                 BIGINT NULL,
   ReqCountUnscheduled               BIGINT NULL,
   ReqStatus                         TEXT NULL,
   ReqTimeActive                     DECIMAL ( 30, 6 ) NULL,
   ReqTimeBlockContention            DECIMAL ( 30, 6 ) NULL,
   ReqTimeBlockIO                    DECIMAL ( 30, 6 ) NULL,
   ReqTimeBlockLock                  DECIMAL ( 30, 6 ) NULL,
   ReqTimeUnscheduled                DECIMAL ( 30, 6 ) NULL,
   ReqType                           TEXT NULL,
   RequestsReceived                  BIGINT NULL,
   Rlbk                              BIGINT NULL,
   RollbackLogPages                  BIGINT NULL,
   TempFilePages                     BIGINT NULL,
   TransactionStartTime              TEXT NOT NULL DEFAULT '1900-01-01',
   UncommitOp                        BIGINT NULL,
   Userid                            VARCHAR ( 128 ) NULL,
   previous_ApproximateCPUTime       DECIMAL ( 30, 6 ) NOT NULL DEFAULT 0.0,
   interval_ApproximateCPUTime       AS ( COALESCE ( "ApproximateCPUTime", 0 ) - previous_ApproximateCPUTime ),
   previous_Commit                   BIGINT NOT NULL DEFAULT 0,
   interval_Commit                   AS  ( COALESCE ( "Commit", 0 ) - previous_Commit ),
   previous_Rlbk                     BIGINT NOT NULL DEFAULT 0,
   interval_Rlbk                     AS  ( COALESCE ( Rlbk, 0 ) - previous_Rlbk ) )

下面是在SQL Anywhere 11的目标表：

CREATE TABLE sa_t2 (
   sampling_id                       BIGINT NOT NULL,
   sample_set_number                 BIGINT NOT NULL,
   connection_number                 BIGINT NOT NULL,
   blocker_owner_table_name          VARCHAR ( 257 ) NULL,
   blocker_lock_type                 VARCHAR ( 32 ) NULL,
   blocker_owner_name                VARCHAR ( 128 ) NULL,
   blocker_table_name                VARCHAR ( 128 ) NULL,
   blocker_reason                    TEXT NULL,
   blocker_row_identifier            VARCHAR ( 32 ) NULL,
   current_engine_version            TEXT NOT NULL,
   page_size                         INTEGER NOT NULL,
   ApproximateCPUTime                DECIMAL ( 30, 6 ) NULL,
   BlockedOn                         BIGINT NULL,
   BytesReceived                     BIGINT NULL,
   BytesSent                         BIGINT NULL,
   CacheHits                         BIGINT NULL,
   CacheRead                         BIGINT NULL,
   "Commit"                          BIGINT NULL,
   DiskRead                          BIGINT NULL,
   DiskWrite                         BIGINT NULL,
   FullCompare                       BIGINT NULL,
   IndAdd                            BIGINT NULL,
   IndLookup                         BIGINT NULL,
   Isolation_level                   BIGINT NULL,
   LastReqTime                       TEXT NOT NULL DEFAULT '1900-01-01',
   LastStatement                     TEXT NULL,
   LockCount                         BIGINT NULL,
   LockName                          BIGINT NULL,
   LockTableOID                      BIGINT NULL,
   LoginTime                         TEXT NOT NULL DEFAULT '1900-01-01',
   LogWrite                          BIGINT NULL,
   Name                              VARCHAR ( 128 ) NULL,
   NodeAddress                       TEXT NULL,
   Prepares                          BIGINT NULL,
   PrepStmt                          BIGINT NULL,
   QueryLowMemoryStrategy            BIGINT NULL,
   QueryOptimized                    BIGINT NULL,
   QueryReused                       BIGINT NULL,
   ReqCountActive                    BIGINT NULL,
   ReqCountBlockContention           BIGINT NULL,
   ReqCountBlockIO                   BIGINT NULL,
   ReqCountBlockLock                 BIGINT NULL,
   ReqCountUnscheduled               BIGINT NULL,
   ReqStatus                         TEXT NULL,
   ReqTimeActive                     DECIMAL ( 30, 6 ) NULL,
   ReqTimeBlockContention            DECIMAL ( 30, 6 ) NULL,
   ReqTimeBlockIO                    DECIMAL ( 30, 6 ) NULL,
   ReqTimeBlockLock                  DECIMAL ( 30, 6 ) NULL,
   ReqTimeUnscheduled                DECIMAL ( 30, 6 ) NULL,
   ReqType                           TEXT NULL,
   RequestsReceived                  BIGINT NULL,
   Rlbk                              BIGINT NULL,
   RollbackLogPages                  BIGINT NULL,
   TempFilePages                     BIGINT NULL,
   TransactionStartTime              TEXT NOT NULL DEFAULT '1900-01-01',
   UncommitOp                        BIGINT NULL,
   Userid                            VARCHAR ( 128 ) NULL,
   previous_ApproximateCPUTime       DECIMAL ( 30, 6 ) NOT NULL DEFAULT 0.0,
   interval_ApproximateCPUTime       DECIMAL ( 30, 6 ) NOT NULL COMPUTE ( COALESCE ( "ApproximateCPUTime", 0 ) - previous_ApproximateCPUTime ),
   previous_Commit                   BIGINT NOT NULL DEFAULT 0,
   interval_Commit                   BIGINT NOT NULL COMPUTE ( COALESCE ( "Commit", 0 ) - previous_Commit ),
   previous_Rlbk                     BIGINT NOT NULL DEFAULT 0,
   interval_Rlbk                     BIGINT NOT NULL COMPUTE ( COALESCE ( Rlbk, 0 ) - previous_Rlbk ),
   PRIMARY KEY ( sample_set_number, connection_number ) );

Answer 1:

难道你需要清空临时表#t每次迭代之后？ 即增加一个TRUNCATE TABLE #t在你的程序的终结？ 我认为，临时表#t存在，直到您的会话结束，直到存储过程结束。 SELECT INTO只是附加到现有#t ，但不会取代它。

另一件事是使用存储在tempdb中永久表不是#tables 。

Answer 2:

该问题是通过SQL使用链接的服务器Anywhere的11.0.1提供商SAOLEDB.11将数据插入到声明为比VARCHAR（8000）大的目标列。 下面是一个简化重复性：

-- Overview: SQL Server 2008 suffers from a fatal memory leak
--    if an attempt is made to use a linked server and the 
--    SAOLEDB.11 provicer to copy data from SQL Server
--    to a SQL Anywhere 11.0.1 table that contains a single column
--    larger than VARCHAR ( 8000 ); i.e, a VARCHAR ( 8000 ) target
--    column is OK but VARCHAR ( 8001 ) is not. The actual string 
--    length is not an issue, nor is the fact that the SQL Server
--    column is declared as TEXT. The memory leak is faster if
--    there is more than one target column larger than VARCHAR ( 8000 ).
--    The server computer freezes and must be rebooted.
-- Msg 701, Level 17, State 123, Server BRECK-PC\SQLEXPRESS, Line 2
-- There is insufficient system memory in resource pool 'internal' to run this
-- query.
-- Location:        qxcntxt.cpp:1052
-- Expression:      cref == 0
-- SPID:            52
-- Process ID:      2044

---------------------------------------------------------
-- SQL ANYWHERE 11 on target computer
---------------------------------------------------------

-- Target:
-- HP Pavilion laptop, 4GHz Pentium 4, 2G RAM
-- Windows XP SP2
-- SQL Anywhere 11.0.1.2276

---------------------------------------------------------
-- Windows commands used to create and start in-memory database

/*
"%SQLANY11%\bin32\dbinit.exe"^
  mem.db

"%SQLANY11%\bin32\dbspawn.exe" -f^
  "%SQLANY11%\bin32\dbsrv11.exe"^
  -im nw^
  -o dbsrv11_log.txt^
  mem.db 

"%SQLANY11%\bin32\dbisql.com"^
  -c "ENG=mem;DBN=mem;UID=dba;PWD=sql;CON=mem-1"
*/

---------------------------------------------------------
-- Create target table with one single "long" column.

BEGIN
   DROP TABLE sa_target;
   EXCEPTION WHEN OTHERS THEN
END;

CREATE TABLE sa_target (
   primary_key      INTEGER NOT NULL PRIMARY KEY,
   string_column_1  VARCHAR ( 8001 ) NOT NULL );

---------------------------------------------------------
--- SQL SERVER 2008 on source (server) computer
---------------------------------------------------------

-- Server:
-- Desktop with Intel Core 2 Quad Q9450 2.66Ghz 4G RAM
-- Windows Vista Ultimate 64 bit build 6001 SP1
-- SQL Server 2008 Express 64 Service Pack 1 with cumulative update package 4:
--    Microsoft SQL Server 2008 (SP1) - 10.0.2734.0 (X64)   Sep 11 2009 14:30:58   
--    Copyright (c) 1988-2008 Microsoft Corporation  Express Edition with    
--    Advanced Services (64-bit) on Windows NT 6.0 <X64>    
--    (Build 6001: Service Pack 1) 
-- SAOLEDB.11 driver from SQL Anywhere 11.0.1.2276

---------------------------------------------------------
-- Windows command used to start osql.exe

/*
"c:\Program Files\Microsoft SQL Server\100\Tools\Binn\osql.exe"^
  -d main^
  -I^
  -l 10^
  -P j68Fje9#fyu489^
  -S BRECK-PC\SQLEXPRESS^
  -U sa
*/

---------------------------------------------------------
-- Create database.

USE master
GO

BEGIN TRY
   DROP DATABASE main;
END TRY
BEGIN CATCH
END CATCH;
GO

CREATE DATABASE main
ON PRIMARY
( NAME = main_dat,
   FILENAME = 'E:\data\main\main.mdf',
   SIZE = 2GB,
   FILEGROWTH = 200MB )
LOG ON
( NAME = 'main_log',
   FILENAME = 'E:\data\main\main.ldf',
   SIZE = 2GB,
   FILEGROWTH = 200MB )
GO

----------------------------------------------------------------------------
-- Configure SAOLEDB.11 provider.

USE master
go 

-- SAOLEDB.11 provider dlls registered via these Windows commands:
--    regsvr32 dboledb11.dll
--    regsvr32 dboledba11.dll

EXEC master.dbo.sp_MSset_oledb_prop N'SAOLEDB.11', N'AllowInProcess', 1
GO

-- If the following statement produces this message, it probably means 
-- that 'DisallowAdHocAccess' is already set to zero for SAOLEDB.11:
--
-- RegDeleteValue() returned error 2, 'The system cannot find the file specified.'

EXEC master.dbo.sp_MSset_oledb_prop N'SAOLEDB.11', N'DisallowAdHocAccess', 0
GO

----------------------------------------------------------------------------
-- THIS SECTION WAS NOT RUN.
-- Set up for OPENROWSET usage.
-- NOT REQUIRED for required for Linked Server usage.

USE master
GO

sp_configure 'show advanced options', 1
GO

RECONFIGURE
GO

sp_configure 'Ad Hoc Distributed Queries', 1
GO

RECONFIGURE
GO

----------------------------------------------------------------------------
-- Set up Linked Server usage.

USE main
GO

BEGIN TRY
   EXEC sp_droplinkedsrvlogin 
      @rmtsrvname = 'mem',
      @locallogin = NULL  
END TRY
BEGIN CATCH
END CATCH 
GO

BEGIN TRY
   EXEC sp_dropserver
      @server = 'mem'
END TRY
BEGIN CATCH
END CATCH 
GO

EXEC sp_addlinkedserver
   @server = 'mem',
   @srvproduct = 'SQL Anywhere OLE DB Provider',
   @provider = 'SAOLEDB.11',
   @datasrc = 'mem_PAVILION2' 
GO

EXEC master.dbo.sp_serveroption 
   @server=N'mem', 
   @optname=N'rpc', 
   @optvalue=N'true' 
GO

EXEC master.dbo.sp_serveroption 
   @server=N'mem', 
   @optname=N'rpc out', 
   @optvalue=N'true' 
GO

EXEC sp_addlinkedsrvlogin 
   @rmtsrvname = 'mem', 
   @useself = 'false', 
   @locallogin = NULL, 
   @rmtuser = 'dba', 
   @rmtpassword = 'sql' 
GO

----------------------------------------------------------------------------
-- Create and fill source table with 1 million rows.

USE main
GO

BEGIN TRY
   DROP TABLE mss_source; 
END TRY
BEGIN CATCH
END CATCH 
GO

CREATE TABLE mss_source ( 
   primary_key      INTEGER NOT NULL PRIMARY KEY,
   string_column_1  TEXT NOT NULL )
GO

BEGIN
   DECLARE @primary_key INTEGER 
   SELECT @primary_key = 1
   BEGIN TRANSACTION
   WHILE @primary_key <= 1000000 
   BEGIN
      INSERT mss_source VALUES (
         @primary_key,
         REPLICATE ( 'Some test data. ', 2 ) )
      SELECT @primary_key = @primary_key + 1
   END
   COMMIT
END
GO

SELECT COUNT(*) FROM mss_source
GO

-- 1000000

---------------------------------------------------------
-- Copy data to target table.

SELECT CURRENT_TIMESTAMP
GO

INSERT INTO mem..dba.sa_target 
SELECT * 
  FROM mss_source
GO

SELECT CURRENT_TIMESTAMP
GO

---------------------------------------------------------
-- Test 1 - Code as shown above.
-- FAILED
-- 
-- Started at 2009-10-12 10:06:33.393
-- 
-- A slow server memory leak began immediately.
-- The initial target insert rate was about 2000 rows per second.
-- Server RAM usage reached 3.82 GB, Physical Memory: 95%, Page File 16236M / 16288M
-- The server display became frozen.
-- The server became unresponsive to mouse input.
-- The target insert rate dropped below 1000 rows per second, but inserts continued.
-- The copy process reached 937,817 rows inserted on the target.
-- This dialog box appeared on the server: "Your computer is low on memory"
-- Eventually, the process failed, and this message appeared in the osql.exe window:
-- 
-- Msg 701, Level 17, State 123, Server BRECK-PC\SQLEXPRESS, Line 2
-- There is insufficient system memory in resource pool 'internal' to run this
-- query.
-- Location:        qxcntxt.cpp:1052
-- Expression:      cref == 0
-- SPID:            52
-- Process ID:      2044
-- 
-- Failed at 2009-10-12 10:22:21.817
-- The server disk I/O light remained lit without interruption.
-- The server required a hard reboot.

---------------------------------------------------------
-- Test 2 - Code as shown above, except for VARCHAR ( 8000 ).
-- SUCCESSFUL 

BEGIN
   DROP TABLE sa_target;
   EXCEPTION WHEN OTHERS THEN
END;

CREATE TABLE sa_target (
   primary_key      INTEGER NOT NULL PRIMARY KEY,
   string_column_1  VARCHAR ( 8000 ) NOT NULL );

-- Started at 2009-10-12 10:41:46.427
-- There was some slight initial growth in RAM usage on the server.
-- Server RAM usage stabilized at 1.40 GB, Physical Memory: 35%, Page File 1560M / 8352M
-- The target insert rate remained about 2000 rows per second throughout.
-- Finished OK at 2009-10-12 10:50:52.240

---------------------------------------------------------
-- Test 3 - Repeat Test 2
-- SUCCESSFUL 

-- Started at 2009-10-12 10:53:38.350
-- No further RAM usage growth on the server.
-- Finished OK at 2009-10-12 11:02:10.457

Answer 3:

你可以尝试分批，而不是整个数据集运行的刀片上的一次。

Answer 4:

而不是使用临时表的，你可以尝试使用变量表？

例如。

DECLARE @ResultTable TABLE (TableId INT PRIMARY KEY, ... etc)

INSERT INTO @ResultTable
SELECT TableId, ....
FROM mss_t2 

... etc. ...

Answer 5:

我有一个类似的问题，我的代码包含在一个循环的简单#TEMP表，导致这和我有一个永久表替换使用。

似乎是工作。

由于纳文

文章来源: There is insufficient system memory in resource pool 'internal'