About concurrency

forum_thread

Out of memory

Hi, Today in the middle of the night ODB just crashed leaving this on console screen: #1 2012-09-18 07:06 Hi, Today in the middle of the night ODB just crashed leaving this on console screen: ObjectDB Serv ...

 
issue

Server out of memory exceptions

I've started to get memory exceptions on objectdb instances running as a server. The objectdb log reports this as: Bug Version: 2.2.8 Priority: Normal Status: Fixed Replies: 22 Type:  Bug ...

 
issue

Use temporary files to enable very large transactions

We have transactions in which many objects are created. These objects are no longer needed in the current transaction after creation. Unfortunately, we will receive an OutOfMemory exception because the objects are kept in the first level cache of ObjectDB. In the forum thread http://www.objectdb.com/database/forum/921 on post #4 you wrote, that ObjectDB should support very large transactions in further version. Can you implement it that ObjectDB used temporary files? Bug Version: 1.04 Priority: Critical Status: Fixed Replies: 27 Type:  Bug ...

 
forum_thread

locks on pure query activities

analyzing the dynamic behavior we can see from the thread dump that a lot of our threads that are just doing simple queries show locks like these (question is: why there are locks and how could we get rid of that):   log1:   #1 2017-04-28 09:28 analyzing the dynamic behavior we can see from the thread dump that a lot of our threads that are just doing simp ...