How to kill a user session connected to an Oracle database
Views: 7996 jbleistein11
Oracle database user session tracing.
Views: 7621 OrSkl Academy
- Kill session bang lệnh Oracle. - Kill bang lệnh Hệ Điều Hành. - Monitor thông tin session và process. - Lưu ý trên Oracle database 12c.
Views: 400 1Click2beDBA
SQl management studio provides lot of facilities to manage SQL processes. The “Activity monitor screen” which will show you some very useful and important information about SQL processes. It will show you all active processes, there status, number of open transactions for each process, the application by which the process is generated, Wait time CPU and memory utilisation, and the host name, means the host or the machine by which the process is initiated etc. If a process is hanging, it will show the process icon with an hour glass. Refresh it several times, sometimes the icon will turn to sleep mode if the process completes its execution. If the icon remains an hour glass, the process may be hanging. Use other info as well to decide if the process is really hanging. If you double click on the process ID it will show the SQL stamen subjected to the execution of the process. If a process is hanging you can identify which application has originated the process, which SQL stamen is hanging and even more from which machine or the host the process is initiated If some application users are complaining about uneven slowness, uneven timeouts etcetera, the reason behind may be one or more processors are hanging. What can you do now? You can restart the SQL server or the service which will disconnect all databases and all applications disturbing all the users. Or otherwise you can take the database to off line and bring it back to online. Or you can disconnect all connections to the database. The disturbance may be lesser than the previous case but still lot of applications and users can be disturbed, especially in an industrial setup. And still you do not know the real reason for the slowness or the malfunctioning as well. So what can you do? Go and examine the processors. Identify exactly which process is hanging. And most probably you will be identifying how and why. So you can find permanent solution. But the immediate solution is you can kill the troubling process or the few. It will solve the issue with minimum disturbance immediately. After identifying the correct process, you can right click on the process ID and click on ‘Kill process’ button. It will kill the selected process. You can kill processors using SQL statements and, using SQL commands you can kill all processors at once as well. Code for Killing Processes Individually USE master go DECLARE @dbname sysname SET @dbname = 'YourDB' EXECUTE ('KILL 53') Code for killing all Processes USE master go DECLARE @dbname sysname SET @dbname = 'YourDB' DECLARE @spid int SELECT @spid = min(spid) from master.dbo.sysprocesses where dbid = db_id(@dbname) WHILE @spid IS NOT NULL BEGIN EXECUTE ('KILL ' + @spid) SELECT @spid = min(spid) from master.dbo.sysprocesses where dbid = db_id(@dbname) AND spid @spid END
Views: 6926 Rohan Mehtha
Hello guys today i show you how to kill,stop and resume the data pump jobs for export full backup depending on your workload. #killjob #restartjob #datapumpjobs Oracle database Unbeatable,Unbreakable Platform..
Views: 3544 Oracle World
Case: Monitoring ACTIVE/INACTIVE Oracle Database Sessions on WebLogic? I have prepared a short screencast tutorial about monitoring DB sessions on WebLogic. It can be extended by adding machine, inst_id fields from gv$session and gv$sqlarea. Read Blog Post: http://blog.wlsdm.com/how-to-monitor-oracledb-active-inactive-sessions-on-weblogic/ WebLogic contains lots of inbox JDBC MBeans to monitor DB transactions. The most important ones are; ActiveConnectionsCurrentCount @ JDBCDataSourceRuntimeMBean ActiveConnectionsAverageCount @ JDBCDataSourceRuntimeMBean WaitingForConnectionCurrentCount @ JDBCDataSourceRuntimeMBean ConnectionDelayTime @ JDBCDataSourceRuntimeMBean FailedReserveRequestCount @ JDBCDataSourceRuntimeMBean LeakedConnectionCount @ JDBCDataSourceRuntimeMBean
Views: 1226 WLSDM Native WebLogic Monitoring and Diagnostics
How to Monitor Session in Oracle SQL Developer | Oracle SQL Developer Tips and Tricks Oracle SQL Tutorial for Beginners, Oracle Database Tutorial for Beginners, Oracle SQL Developer Tips and Tricks, Oracle Tutorial for Beginners, Oracle Tutorial How to Monitor Session in SQL Developer, How to Monitor Session Using SQL Developer, How to Monitor Session in Oracle SQL Developer, How to Monitor Session Using Oracle SQL Developer, how to check number of connections in oracle, how to check active sessions in oracle, oracle sql developer real time sql monitoring, how to check active session in oracle 11g, sql developer monitor sessions table or view does not exist oracle monitor sql statements how to check query performance in oracle sql developer
Views: 692 Oracle PL/SQL World
This is an example of looking at connections and processes in SQL Server.
Views: 2152 Theodore Timpone
https://amzn.to/2Ph2CbI [affiliate link] We are back again with some issues and solutions. Actually one of my friends asked me regarding performance tuning if forms are opening slow. That time I gave him some ideas and promised him that I will back very soon with some more information. There are lots of factors which may impact the applications but there are some work around which can helpful fixed the issues. One more thing I would like to tell, friends I shared my knowledge’s as per my real time experiences and real life experiences. So, there is not like just copying and pasting the stuff. As already I have shared my real life time stories which I have learned from my life. So, let’s start now. Suppose, our forms are opening slow then what things we should be check and how to debug it. I will try to explain here and share my knowledge. I am sure; it will be useful because it’s having been experienced. 1. We should check which forms are opening slowly either any particular form or all forms. 2. If all forms are opening slowly for particular machine then clear the cache and try again. It can be machine speed slow, machine hardware and bandwidth speed. If all forms are opening slow and for all machine then we really need to check below things such as: A. Check whether Trace is enabled or disabled and if it is enabled then kindly disabled it. B. Check the top commands if any resources are consuming high CPU usage. C. Check for all Inactive Sessions if it’s there then kill those sessions. D. Check for deadlocks. E. Every user should close the forms and logout properly. But actually we don’t care. We just close windows tab at a time and left for break :D :P but that’s also impact our EBS internally. F. A programmer if ran any program with infinite loops then this also cause a performance issue. That’s why we need to write any program carefully. If program not properly then it may cause deadlock as also which I have explained it in my previous posts. G. It can also be because of increasing the number of users. Also need to check users have one active session. H. Check for the Performance Pack (Native I/O) is turned on for WLS. And most and always we use this method. If the users have issue for any custom forms then we should follow below steps which are easy and very effective. When he run the program that time you should follow below steps: 1. Enable the Trace file. Login to front-end - Help - Diagnostics - Trace - "Trace with Binds and waits” . Then there will be a trace file generate under below patch: $cd $ORACLE_HOME/admin/$CONTEXT_NAME/udump Now you can run either Trace Analyzer or tkprof as shown below commands: Trace Analyzer command: $sqlplus apps/apps_password SQL START TRCANLZR.sql UDUMP ora-data_ora1919.trc; TKPROF command: $ORACLE_HOME/admin/$CONTEXT_NAME/udump $tkprof ora-data_ora_1919.trc ora-data_ora_1919.txt explain=apps/apps_pwd Hope this may useful and helpful. We will come back again with new troubleshooting and solution as what we should do if forms opening slow after increasing the number of session. For any concerns or suggestions please reach to us either by comment box or contact us @ ora-data.blogspot.com.
Views: 1819 ORACLE SUPPORT
use master ALTER DATABASE YourDatabase SET SINGLE_USER WITH ROLLBACK IMMEDIATE --do you stuff here ALTER DATABASE YourDatabase SET MULTI_USER This video is about killing or disconnect all connections to a database. The easiest way is bringing the database to single user mode and set it back to multiuser mode. This will disconnect all connections form all the users other than current one who is logged to the database. One important aspect here is, do not close the screen once you set the database to single user mode. Because when a database is in single user mode it will allow only a single connection to the database. If you allow dropping your connection and if any other connects to the database you will not be able to connect the database again. So you may have to Stop the SQL server and start again to connect the database. It is also possible to do this using SQL management studio. Right click on the database, go to properties, go to options and move to restrict access option. There you can select the single user mode or multiple user mode. Now The question is why do you need to do this. I mean when, do you want to kill all connections. It is mainly, when you want to have exclusive access to the database. For example a database is not allowing you to restore a backup on this because you cannot grant the exclusive access, then you can bring the database to single user mode; killing all connections; perform your activates and after that set it to the multi user mode. This way you can maintain the exclusive access while you are completing the work.
Views: 11259 Rohan Mehtha
More details at http://k21academy.com/live13 We recently had a Masterclass on Oracle WebLogic Server covering What, Why & How at http://k21academy.com/weblogic02 in that webinar there were a lot of questions. Most of these questions were answered in Webinar however not all questions were covered because of time. We'll be adding these questions over a period of time in Private Facebook Group for WebLogic Server at http://k21academy.com/weblogicqa This post covers weekly live show on our Facebook Page at http://facebook.com/k21academy covering Oracle WebLogic Server and issues reported with WebLogic Server in Oracle EBS R12.2 asked in WebLogic Masterclass at http://k21academy.com/weblogic02 Question Asked "I am working on Oracle EBS R12.2.3, My Questions is that OACore managed server is going into warning state frequently. I've increased Java Heap Size from 1 GB to 2 GB but still getting the same error sometimes. After collecting Garbage, it will be OK, but want to resolve the issue permanently. Need You Guidance ... Q1: What would you do in a situation like this? Q2: What is JVM & Heap Size in JVM? Q3: How do you know what is Heap Size Value and How do you change the value of Heap from 1GB to 2 GB? Q4: What is Garbage Collection and How Often you should run it? Q5: What does parameter -Xms, -Xmx, -XX:PermSize, -XX:MaxPermSize mean when you start JVM? I've covered all this in this video Here is what Atul Covered in Weekly Live Show 00:00-8:18: Introduction & Welcome 8:18-15:47 What is WebLogic Server & Task Performed by WebLogic Admins 15:47-17:15 Q: Managed Server in EBS (R12) going in Warning State 17:15-30:06 Oracle E-Business Suite R12.2 Architecture, WebLogic Domain, Admin & Managed Server, Config Files for Domain in EBS R12.2 30:06 - 41:00 What is JVM, JVM Parameters like -Xms, -Xmx, -XX:PermSize, -XX:MaxPermSize, Garbage Collection - GC (Major / Minor), JVM Tuning Guidelines, Q/A 41:00- 50:00 Heap, Stack & Thread Dump, Warning State issue in EBS R12.2 for Managed Server 50:00-56:14 Wrap-Up and FREE Training Now back to the original question If you are in a situation like this, How would you troubleshoot or approach to fix the issue (Leave a comment and see If you can help others https://www.youtube.com/watch?v=Zmd96z-5qO0 More details at http://k21academy.com/live13
Views: 4027 K21Academy
Find Blocking Session and Release Immediately in Oracle
Views: 322 Sendi Channel
Description of oracle architecture including user process,server process,connection and session points
Views: 9964 [email protected]
This is a free form hacking session that demonstrates some less known techniques and findings of Oracle SQL Monitoring reports and answers some low level questions about when does SQL Monitoring kick in automatically. As this was an unstructured hacking session, I ended up troubleshooting my own demos a couple of times as well :-) Related links: Slides: https://blog.tanelpoder.com/2015/10/29/sql-monitoring-in-oracle-database-12c/ An great SQL Monitoring usage article by Maria Colgan: https://sqlmaria.com/2017/08/01/getting-the-most-out-of-oracle-sql-monitor/ ASH hacking session: https://blog.tanelpoder.com/posts/oracle-sql-monitoring-advanced-ash-usage-hacking-session/ Online Training: https://blog.tanelpoder.com/seminars/
Views: 1257 Tanel Poder
By Vivek Saxena Insa Shabad Coachings Shamli Resumable Space Allocation is given by extending the data file size with a open database Alter session enable resumable; Create tablespace spr datafile 'c:\db3\data\spr1a.dbf' size 100k; Create table spr(rn number(10) tablespace spr; Insert into spr(select salary from hr.employees); Insert into spr (select * from spr); Set oracle_sid= orcl Sqlplus/nolog Conn/as syadba Alter database datafile 'c:\db3\data\spr1a.dbf' resize 300k;
Views: 39 Shabad(शब्द) Coachings
Video tutorial on how to find Oracle Database locked session using Oracle Enterprise Manager 12C. For more Database Administration articles and scripts go to www.aodba.com & www.verticablog.com More Articles, Scripts and How-To Papers on http://www.aodba.com
Views: 5162 AO DBA
Steps to increase the number for processes/sessions at database level in Oracle is as follows
Views: 399 Houssine Formation
Why I Need To Know. Have you have ever needed to know or wanted to know how to identify an Oracle client process and its associated foreground process from outside of Oracle, at the operating system? And, prompt using a command like "ps"? In this video tutorial, I'll show you how to do this using the super flexible OS "ps" command. It's very cool and is the first step to relating what we see from an internal Oracle perspective using V$ views to what we see from an OS perspective using a command like "ps.” Founder and Oracle ACE Director, Craig Shallahamer, is a long time Oracle DBA who specializes in Oracle performance. He is a performance researcher and blogger, consultant, conference speaker, and a teacher to Oracle professionals.
Views: 31 OraPub, Inc.
Part 1 of a 2-part recording showing how HTTP session replication works in WebLogic Server 10.3.4: the first recording showed how to use WebLogic Server's built-in clustering architecture to provide session replication for a "shopping cart" demo application - this second recording shows how to achieve the same result using Oracle Coherence to manage session data. The video also shows how to start, stop and monitor Coherence cache server processes using the WebLogic Server node manager.
Views: 10092 OracleWebLogic
In this tutorial you will learn how to monitor locks, latches, wait events in oracle.
Views: 4827 DBA Pro
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Views: 183 T3SO Tutorials
How to do a session trace on P6 Professional connected to an Oracle 12c database using DBMS SUPPORT
Views: 124 Primavera Training
Go to the blog posting: http://blog.orapub.com/20140608/The-Oracle-Database-LGWR-Three-Second-Rule-Really.html I have learned the part of Oracle Database performance tuning is checking if what you have been taught is actually true. What I'm writing about today has been done before in Oracle Database 10g and 11g, but I wanted to document this using 12c. When I was first learning about the Oracle Database process architecture, the instructor said there are a number of reasons the log writer (LGWR) background process will wake up and do "something." In addition to this, if the LGWR was not signaled to wake up, every three seconds it would wake up by itself and check if there was something it needed to do. Is this "three second rule" really true? That's what this posting is all about.
Views: 641 OraPub, Inc.
Please watch refined version - https://www.youtube.com/watch?v=SU9uwyZQptw Session 23, 42 & 48 are Free sample sessions for evaluation - https://www.tutionbooks.com/course/cyberark-training-privileged-account-securityadvanced/?action=curriculum
Views: 18408 TutionBooks
In this tutorial you will learn how to monitor locks, latches, wait events in oracle.
Views: 1563 DBA Pro
User-defined functions in SQL Server are very much like custom methods and properties in .Net languages. At first sight, they seem to be the perfect tool to introduce code encapsulation and reuse in T-SQL. So why is this feature mostly avoided by all T-SQL gurus? The reason is performance. In this session, you will learn how user-defined functions feed the optimizer with misleading and insufficient information, how the optimizer fails to use even what little information it has, and how this can lead to shocking query performance. However, you will also see that there is a way to avoid the problems. One type of user-defined function, the inline table-valued type, may not be the easiest to use, but it is the only type of user-defined function that doesn’t impact performance. I will show how, with just a little extra effort, you can reap the benefits of code encapsulation and reuse without sacrificing performance. Get more information, resources, and more here: https://groupby.org/session8
Views: 1582 GroupBy
Click here to Subscribe to IT PORT Channel : https://www.youtube.com/channel/UCMjmoppveJ3mwspLKXYbVlg By the Way to Terminate a Session is used to Release a Lock in a Table. In this Video we used KILL Statement to Release a Lock. KILL can be used to terminate a normal connection, which internally terminates the transactions that are associated with the specified session ID. So, Transaction automatically gets Rolled back and Lock will be Released.
Views: 1105 IT Port
Typically, malicious users target the inactive sessions to gain access into the database. By reducing the period of time an inactive session stays connected, the probability of that session being a victim of abuse is reduced. Also, setting up idle_time helps to reduce problems of having too many INACTIVE sessions.
Views: 1089 checklist20
Oracle Performance Tuning - Logging and Tracing in Oracle. This is part-2 and in this video I have explained the concept of SERVICE and its importance in the performance tuning world. I also explained the code instrumentation using DBMS_APPLICATION_INFO as a coding best practice
Views: 1667 Satish Lodam
Session 2 - How to connect to SSMS, SQL and Basics of SQL Commands To view previous Session, please go to below link : Session 1 -RDBMS Introduction https://www.youtube.com/watch?v=JyupUmTVRMw
Views: 10 Sql Training Sessions
UNIXLinux Operating system - Beginner to Advanced - Section 10 Unix Processes Section 1 Welcome to the Course Section 2 Introduction to UnixLinux Section 3 Architecture of UnixLinux Operating System Section 4 Setting up Oracle VM and Linux Section 5 Linux File System and Boot Process Section 6 Graphical user Interface ( GUI ) Section 7 Command Line Interface ( CLI ) Section 8 Files and File Systems Section 9 Users and Groups Section 10 Unix Processes
Views: 49 Debyum
ف هذا الجزء تم شرح :- - What is Database? - History of Database - Database types - Database Components - Database uses - Advantages of Oracle Database - SDLC (Software Development Life Cycle) - Application Components - SQL Statements - What is PL/SQL , Benefits?
Views: 639 FCI Minia
For Training: What's App / Phone Number: 7795877759 Mail ID: [email protected] Facebook: http://www.facebook.com/venkatramanvv Facebook Group: http://www.facebook.com/geeksidea Other Videos: http://www.youtube.com/venkatramanvv More info: Google for me. venkatramanvv About this Training: This video has been recorded with free open source software with open source / trial version of software. There is no problem with the licensing of any of the product which is taken in this video.
Views: 69160 venkatraman vv