11) What is Connection Pooling ?
A) ----> Connection Pool is used as Cache(Speed up) of database Connections maintained so that the connections can be reused for further requests to Database.
-----> Opening and maintaining a Data Base connection for each user
12) What is Heap Dump ?
A) -----> It is used when sufficient memory is not available for a new object
-----> It generates a dump of all live objects that are on the Java Heap.
-----> By default we get OutOfMemoryErrors because of JVM crashes
------> Heap dump is created in < profile-root > directory when OutOfMemoryErrorException is thrown
------> When JVM crashes we cannot get any application.
13) What is Thread Dump ?
A) ----> It provides detailed information of all active Java Threads.
----> It is used to know how many threads are there in Connection Pool
------> How many are there in Dead lock state.
14) How to generate Thread Dump ?
A) Kill -3 Pid
15) What is Activity log ?
A) -----> It is also called as IBM Service log file
-----> It will have complete information about Application Server environment
-----> It is not in readable format
------> We have to use one log file to view the complete information of any application
-------> waslogbr.bat : For Opening and Viewing this log (It will have complete information about base class and other applications)
-----> We have to use Symptom database for fixing or compare identify the issue.
Next Page : http://webspherelife.blogspot.com/2018/09/was-definitions-websphere-application_22.html
A) ----> Connection Pool is used as Cache(Speed up) of database Connections maintained so that the connections can be reused for further requests to Database.
-----> Opening and maintaining a Data Base connection for each user
12) What is Heap Dump ?
A) -----> It is used when sufficient memory is not available for a new object
-----> It generates a dump of all live objects that are on the Java Heap.
-----> By default we get OutOfMemoryErrors because of JVM crashes
------> Heap dump is created in < profile-root > directory when OutOfMemoryErrorException is thrown
------> When JVM crashes we cannot get any application.
13) What is Thread Dump ?
A) ----> It provides detailed information of all active Java Threads.
----> It is used to know how many threads are there in Connection Pool
------> How many are there in Dead lock state.
14) How to generate Thread Dump ?
A) Kill -3 Pid
15) What is Activity log ?
A) -----> It is also called as IBM Service log file
-----> It will have complete information about Application Server environment
-----> It is not in readable format
------> We have to use one log file to view the complete information of any application
-------> waslogbr.bat : For Opening and Viewing this log (It will have complete information about base class and other applications)
-----> We have to use Symptom database for fixing or compare identify the issue.
Next Page : http://webspherelife.blogspot.com/2018/09/was-definitions-websphere-application_22.html
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