lock escalation
Up to DB2lock escalation
Posted by Pawan at April 03. 2008ADM5500W DB2 is performing lock escalation. The total number of locks
currently held is "1034", and the target number of locks to hold is "517".
I am getting above warning in notification file...how i can remove this??
related parameters are..
Database heap (4KB) (DBHEAP) = 1200
Size of database shared memory (4KB) (DATABASE_MEMORY) = AUTOMATIC
Catalog cache size (4KB) (CATALOGCACHE_SZ) = 363
Log buffer size (4KB) (LOGBUFSZ) = 179
Utilities heap size (4KB) (UTIL_HEAP_SZ) = 66568
Buffer pool size (pages) (BUFFPAGE) = 1000
Extended storage segments size (4KB) (ESTORE_SEG_SZ) = 16000
Number of extended storage segments (NUM_ESTORE_SEGS) = 0
Max storage for lock list (4KB) (LOCKLIST) = 100
Interval for checking deadlock (ms) (DLCHKTIME) = 10000
Percent. of lock lists per application (MAXLOCKS) = 60
Lock timeout (sec) (LOCKTIMEOUT) = -1
Thanks
Pawan
Re: lock escalation
Posted by perallis at April 03. 2008You need to kill the application that is holding locks!
Please view the document below:
http://www.dbatodba.com/db2/problem-resolution/locks/lock-wait-and-lock-timeout