How To Resolve Deadlock Error In Db2
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the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the http://www.dbforums.com/showthread.php?1660261-Deadlock-in-Db2 selection below. Page 1 of 2 12 Last Jump to page: Results 1 to 15 of 18 Thread: Deadlock in Db2 Tweet Thread Tools Show Printable Version Subscribe to this Thread… Search Thread Advanced Search Display https://bytes.com/topic/db2/answers/595821-how-detect-deadlock-how-clear-when-occours Linear Mode Switch to Hybrid Mode Switch to Threaded Mode 09-14-10,01:45 #1 alwayssathya View Profile View Forum Posts Registered User Join Date Aug 2010 Location Singapore Posts 197 Unanswered: Deadlock in Db2 hi, I saw a thread already how to posted on Deadlock. but which din give me any clarity. here i have a few question can some help me. 1.how to identify/detect a deadlock in db2 2.suppose if the deadlock is not rectified by db2, how can i resolve the deadlock. 3.In the db2detaildeadlock, there are some log files. how can it be reviewd. 4.how to get the snapshot of a particular databse to find the deadlock. 5.what is locktimeout & locklist ? when do how to resolve we increase the locktimeout and lock list ? what is the use of increasing it. thanks ! Reply With Quote 09-14-10,08:13 #2 ARWinner View Profile View Forum Posts Registered User Join Date Jan 2003 Posts 4,287 Provided Answers: 5 1) DB2 automatically identifies a deadlock. It is built in and always works. 2) deadlocks are always rectified by DB2. It will rollback one of the applications, and return the "Deadlock" error. 3) Text editor 4) The snapshot monitor will not give you much about deadlocks. Use the Event Monitor. 5) LOCKTIMEOUT is the number of seconds a DB2 agent will wait for a lock to release before it returns an error back to the application. If it is zero, then wait time is not in effect and applications will wait forever. LOCKLIST is the size of the DB2 cache for storing lock information. Increasing LOCKTIMEOUT can cause longer response times for database access. Increasing locklist can prevent lock escalation, but at the expense of taking away RAM from other heaps that might have better use for it. Andy Reply With Quote 09-14-10,13:12 #3 Marcus_A View Profile View Forum Posts Registered User Join Date May 2003 Location USA Posts 5,737 Even though both deadlock and locktimeout give a -911 return code, they are different. Deadlock is reason code 2 and locktimeout is reason code 68. Basicall
Ask a Question Need help? Post your question and get tips & solutions from a community of 418,557 IT Pros & Developers. It's quick & easy. how to detect a deadlock and how to clear it when it occours? P: n/a kavin hi, can any one help me in detecting a deadlock and to clear the deadlock when it occours? how to monitor the databases for deadlocks? Jan 31 '07 #1 Post Reply Share this Question 3 Replies P: n/a James "kavin"