?The above architecture, 40 million of the data per day is OK. However, in the context of the adjustment to the configuration, the central monitoring program on the memory overflow, the analysis that received too much data, put in memory, but did not have time to write to the database, resulting in the resulting data is larger than the consumption of data, resulting in memory overflow, the program does not work.Where exactly is the bottleneck?Is it a
) sbc.ColumnMappings.Add(column.ColumnName, column.ColumnName); sbc.WriteToServer(dt); } return dt.Rows.Count; }What's the problem?The above architecture, 40 million of the data per day is OK. However, in the context of the adjustment to the configuration, the central monitoring program on the memory overflow, the analysis that received too much data, put in memory, but did not have time to write to the
%password_mysql% D:\monitor\mysql\sql.sqlEcho%Date:~0,4%%Date:~5,2%%Date:~8,6% % Time:~0,2%:% Time:~3,2%:% Time:~6,2% >d:\monitor\mysql\a CD D:CD monitor CD MySQL for/F"tokens=*"%%iinch(a) Do(Set/A n+=1Set #!n!=%%i) set n=
( for/F"tokens=*"%%iinch(b) Do(Set/A n+=1PagerEcho%%#!n!%%%%i)) >>Mysqlresult del a b:end Monitor Code Note: The bat script does not execute in the scheduled task, is a problem with the scheduled task settings, if the script is not executed, install the modification: Windows
After reading "UNIX Network programming: Volume One", I feel that the author is really a Master of Unix programming. And for me personally, after reading a technical book, must still have to re-write the program (the exchange of content), review the contents of the book (approximate structure, or thought, the same), otherwise, you can not really understand and grasp the point.Okay, what I brought today is the first of the server models, and also the m
Domain name root server suffered two large-scale attacks: 5 million attacks per second
In the early morning of January 1, December 11, Beijing time, the root servers of multiple domain name systems were attacked twice at the beginning of last week. Each attack lasted for an hour or two, these root servers receive up to 5 million query requests per second.
When a
Today I bring the server model first, which is the most frequently used model of the most basic one –tcp concurrent server, one child process per client.First of all: TCP concurrent server, each client a child process, concurrent server calls fork to derive a child process t
) of objects defined in the Microsoft SQL Server database or referenced in a Transact-SQL statement ). The following table does not contain Microsoft SQL Server 2000 Windows CE.The number of locks per SQL server instance is 2,147,483,647 (or available memory) 2,147,483,647 (or available memory) 1. The network data pack
Original: https://redislabs.com/ebook/redis-in-action/part-2-core-concepts-2/ chapter-5-using-redis-for-application-support/5-4-service-discovery-and-configuration/5-4-2- One-redis-server-per-application-componentAs more and more redis is being used, countless developers have found that our first Redis server has grown at some point. We may need to log more logs,
Tags: Database SQL Server Statistics records MicrosoftCount the number of records per table in a SQL Server database use
jydb--Jydb for your database
GO
select B.[name] ' table name ', max (a.rowcnt) ' Record count ' From
sysindexes a
joins sys.objects B on B.object_id=a.id
where b.type= ' U '
Group by B.[name]This article is from the "Technical Achievement Dre
On Windows server 2008/2008 R2, if you want multiple remote users to access the server's Remote Desktop (RDP) using the same account at the same time, simply set it up by using Remote Desktop Session Host configuration under Administrative Tools-Remote Desktop. or by command: Enter "Tsconfig" in the run to see the following prompt: Each user will be allowed to set a session to "no".However, under Windows Server
Tody, I created a table with three columns are of Data Type varchar (8000), and a warning was prompted out in the SQL query Analyzer: "Warning: the table 'testtable' has been created but its maximum row size (24094) exceeds the maximum number of bytes per row (8060 ). insert or update of a row will fail if the resulting row length exceeds 8060 bytes. ".
This means a table row has its maximum capacity, and in SQL
Tags: map with nbsp base init add mes ANSI UPD
Database code Use [Test] GO /****** object: Table [dbo]. [table_1] Script date:11/07/2017 17:27:29 ******/set ANSI_NULLS on Go SET QUOTED_IDENTIFIER on Go n Bsp SET ansi_padding on GO CREATE TABLE [dbo]. [Table_1] ([ID] [varchar] (+) NULL, [NodeId] [varchar] (+) NULL, [T_b_nodeid] [varchar] (+) NULL, [NodeType] [varchar] (+) NULL , [Authoritycode] [varchar] (+) NULL, [NodeName] [varchar] (+) NULL, http://www.mamicode.com/ info-d
, we can get the ideal state by simple calculation-the data to be stored is: 30w per minute, 1800w per hour, that is, 432 million per day . In fact, the volume of data will be about 5% larger than this. (In fact, most of it is information garbage, can be processed by data compression, but others are to engage you, can do)Above is the project requirements of the i
, we can get the ideal state by simple calculation-the data to be stored is: 30w per minute, 1800w per hour, that is, 432 million per day . In fact, the volume of data will be about 5% larger than this. (In fact, most of it is information garbage, can be processed by data compression, but others are to engage you, can do) Above is the project requirements of the
ideal state by simple calculation-the data to be stored is: 30w per minute, 1800w per hour, that is, 432 million per day . In fact, the volume of data will be about 5% larger than this. (In fact, most of it is information garbage, can be processed by data compression, but others are to engage you, can do)Above is the project requirements of the indicators, I thi
ideal state by simple calculation-the data to be stored is: 30w per minute, 1800w per hour, that is, 432 million per day . In fact, the volume of data will be about 5% larger than this. (In fact, most of it is information garbage, can be processed by data compression, but others are to engage you, can do)Above is the project requirements of the indicators, I thi
data to be stored is: 30w per minute, 1800w per hour, that is, 432 million per day . In fact, the volume of data will be about 5% larger than this. (In fact, most of it is information garbage, can be processed by data compression, but others are to engage you, can do)Above is the project requirements of the indicators, I think a lot of big data processing experi
The way in Sqlazure:SelectT.name, S.row_count fromsys.tables TJoinsys.dm_db_partition_stats S onT.object_id =S.object_id andT.type_desc= 'user_table' andT.name not like '%dss%' ands.index_id= 1Order byRow_countdescSQL Server Mode:SelectA.name as 'Table name', B.rows as 'number of table data rows' fromsysobjects aInner Joinsysindexes b ona.ID=b.idwhereA.type= 'u' andB.indidinch(0,1)--and a.name not like ' t% 'Order byB.rowsdescView the number of row
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