Tags: des style color OS io strong data for2014-07-27 BaoxinjianI. Summary
1-whether the database account is locked for monitoring2-size of database table space3-Process Abnormal stop monitoringProcess monitoring with too long processing time in the 4-sessionIi. Case 1-whether the account is locked and monitored
1. How to monitor2. How to HandleIii. C
I. Oracle monitoring, database, startup and deactivation of Oracle servers
Login with root: Switch user su–root/root operating system, generally only the root user has access to the Oracle database server installed in the operating system, and then use the database administrator user to enable and disable the related
SQL statements for Oracle database monitoring
1. Waiting for monitoring cases: Select event, sum (decode (wait_time, 1) Prev, sum (decode (wait_time, 0) curr, Count (*) from V $ session_wait group by event order by 4; 2. rollback segment contention: Select name, waits, gets, Waits/gets ratio fromv $ rollstat A, V $ rollname B where a. USN = B. USN; 3. I/O ra
MySQL database, performance monitoring bitsCN.com
Show status;Flush status;
View the current connection count show status like 'thread _ % ';Thread_cached: Number of cached threadsThread_running: number of activated threadsThread_connected: number of threads currently connectedThread_created: total number of created threads
Thread cache hitsThread_connected = show global status like Thread_created;Connectio
Professional database and oacle EBS monitoring tools
Http://www.bgs-soft.cn/index.html
Databases and applicationsProgramOptimization can greatly improve the system performance.In some cases, performance optimization can improve the performance by 80% or higher.In the field of database and Oracle 11i program optimization, We have rich experience and applied it
Tags: Oracle monitor hang LSNRCTL status slow Oracle Monitor slowToday I found the database connection is very slow, even can not connect, want me to check to see #su - oracle
$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 17-MAY-2018 12:29:11
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=oracletest)(PORT=1521))) ## 到这里,
hang住了,一直没有响应 A tnsping test was made
This article introduces mysql database Real-time Monitoring Tool Mycheckpoint. If you need to know this job, please refer.
This article introduces mysql database Real-time Monitoring Tool Mycheckpoint. If you need to know this job, please refer.
Installation document:Http://code.openark.org/forge/mycheckpoint/docume
Do you feel a headache for the actual operations of the Pressure Monitoring Program MySQL database and sqlserver? Don't worry, the following article will give you the corresponding solution. The following article mainly introduces the solution for obtaining the pressure monitoring program MySQL database and sqlserver.
Oracle
Week 2nd: Rolling back monitoring
How much longer will it take? : Rolling back monitoring
Provide users with an accurate assessment of rollback operation time
Are we still in this place? How much longer will it take?
Does it sound familiar? These questions may be raised on the way to the children's favorite theme park, from the backseat of the car, and are often raised constantly and frequently.
Dynamic Monitoring of JDBC database access operations-Log4JDBC and jdbclog4jdbc
Log4jdbc is a JDBC drive that records SQL logs, SQL Execution time, and other information. Log4jdbc uses SLF4J (Simple Logging Facade) as the log system.
Features:
1. JDBC3 and JDBC4 are supported.2. supports most of the existing JDBC drivers.3. easy configuration (in most cases, you only need to change the Driver Class Name
When a data query on a single table 5000W data is passed two single-column index criteria, when a composite index query, if the last order by ID sort, and remove the sort, the performance gap is close to two orders of magnitudeConclusion: When using the default ordering of columns, you should not order by the columnBy the way, record the other SQL performance issues encountered:1, limit A, or a value is too large, can also lead to severe performance degradation, the solution is to obtain a batch
to use two instructions to phpize and Php-configSo yum install Php-develIn this case, the Yum installation instructions are under/usr/bin/and the PHP module directory is the corresponding/usr/lib/php/under the/usr/lib64/php/32-bitPhpize./configure--with-php-config=/usr/bin/php-configAfter installation, there will be a hint like this installing shared extensions:/usr/lib64/php/modules/memcache.soThen modify the/etc/php.ini to change Extension_dir = "./" revision toExtension_dir = "/usr/lib64/php
Day Rabbit (Lepus) database monitoring System InstallationActual combatPart1: written in the firstLepus installation needs lamp environment, lamp environment installation personally think more laborious, xampp one key deployment lamp environment worry and effort, Lepus official website manual also recommended xampp way to install, Lepus is also in XAMPP research and development, crossing network installatio
Tags: des style color OS strong data IO 20142014-07-27 BaoxinjianI. Summary
1-whether the database account is locked for monitoring2-size of database table space3-Process Abnormal stop monitoringProcess monitoring with too long processing time in the 4-sessionIi. Case 1-whether the account is locked and monitored
1. How to monitor2. How to HandleIii.
Tags: results star bytes Evel copy opened message level 11.2First, start monitoring and database 1. Start monitoring: [HTML]View PlainCopy
[Email protected] oracle]# su-oracle
bash-4.1$ Lsnrctl Start
Description The-,-l,--login is appended to the SU, which means that the environment variable (HOME,SHELL,USER,LOGNAME,PATH, etc.) is the same as
>Second, close the database, monitor1. Close the databaseLog in to Sqlplus using your Oracle account,Su-oracleSqlplus/nologThe results are as follows:Sql*plus:release 11.2.0.1.0 Production on Fri APR 4 15:10:59 2014Copyright (c) 1982, Oracle. All rights reserved.Sql>SYSDBA Login:Sql>conn/as SYSDBAConnected.To close the database:sql> shutdown ImmediateDatabase closed.Database dismounted.ORACLE instance shut down.After you close the
Background implementation development colleagues find me, feedback that after you use Azure SQL database in your project, you cannot use Profiler to monitor the parameters of your stored procedures that you have developed.Indeed profiler these instance-level tools are not supported in Azure SQL database, so we have no way to implement monitoring parameters in dis
JDBC needs to operate the database through the connection database connection. The creation of a database connection is expensive, and we cannot create a database connection every time an SQL statement is executed, typically through a database connection pool, but the MySQL
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