data « Cache « JPA Q&A

1. Hibernate vs Ibatis caching stackoverflow.com

We can speed up a hibernate app easyly with 2nd level cache using infinispan or ehcache/terracotta,... but ibatis only have a simple interface to implement for caching. And hibernate knows more ...

2. Kodo / openjpa data cache watermark settings? stackoverflow.com

I'm trying to find information on what triggers a data cache cleardown in kodo / openjpa. I'm guessing there is a high watermark - at which point the cache will clear down ...

3. Caching application data in Grails stackoverflow.com

in order to keep certain application variables I may need to change when the application is running without having to restart it, I'm thinking in implementing a Grails service and a ...

4. hibernate getResultList() returns varying data stackoverflow.com

I am working with JPA (1.0 or 2.) + hibernate (3.4.0 or 3.6.0) and I have run into a problem with I think caching somewhere. What I do:

Find an object ...

5. Where store the data in 2nd level cache in Hibernate? stackoverflow.com

Where store the data in 2nd level cache in Hibernate? Means the datas are store in database or in memory.

6. Hibernate cache and data from backend coderanch.com

Is there no way to invalidate the cache programatically?. I mean there are certain workflows that might involve a bit of bulk data transfer. But otherwise rest of the workflows are say driven by the user O/L. So would i till be able to use the hibernate caching layer since it would improve the response ti,e dramatically and the user experience ...

7. Hibernate 1st level cache stale data forum.hibernate.org

I am having a problem with my application displaying stale data which I believe is due to the 1st level Hibernate cache. I am using EJB3 with Hibernate 3.2.6. My app is also using SEAM extended persistence context by the way (not sure if that's getting in the way or not). I have 2 browsers open with different sessions that display ...

8. How can seconde level cache know data is updated? forum.hibernate.org

We have RuleGroup object, onToMany to Rule(each RuleGroup having several rules), when query RuleGroup we only want rule having "where rule.end_date is null", so using following config, can work fine, but, when we: 1.execute ruleGroupDao.find() 2.update some rule.end_date from null to some date; 3.re execute ruleGroupDao.find(), we expect getting out ruleGroup without that updated rule(end_date is not null), but actually we ...

9. Read data from cache when DB is down? forum.hibernate.org

Hi, I am using Spring and Hibernate with EhCache. I need to be able to access data from the database even if the database goes down. I hoped that I could use second level caching to achieve this. That is, read the data to display into cache. And if the DB goes down, then use this data. All data is read ...

10. Data Caching using Hibernate forum.hibernate.org

Are your data used in other queries (not only in init time) ? If yes, you can use Hibernate and JVM level caching system. Those objects won't be loaded several times. Does your data implements complex relationship between them ? It's easier to map it once and let Hibernate deals with loading Do you use Hiberate in other part of your ...

11. Hibernat for data caching forum.hibernate.org

12. Error caching/retrieving hierarchical data forum.hibernate.org

Author Message ccanning Post subject: Error caching/retrieving hierarchical data Posted: Mon Jan 10, 2005 9:56 pm Regular Joined: Thu Jul 29, 2004 11:55 pm Posts: 75 Hi, I have a simple test program to reproduce the problem. The tables reflect real tables in our product, but they have been simplified for the test and should be easy to replicate. ...

13. hibernate caching data even after server restart forum.hibernate.org

14. Displaying old data - caching problem? forum.hibernate.org

Hibernate version: 3.0.5 (using EHCache) Name and version of the database you are using: MySQL 4.1.12 I have a Struts application running with Hibernate and a strange problem persuing me for quite a while. Example: I have a class "Subject" with two attributes, id (Long) and name (String). I can add, update and delete these subjects. Having a look at the ...

15. caching data forum.hibernate.org

Hello, I have an issue with caching data in Hibernate. I have an existing applicationg which interacts with mySQL database and performs all operations with it. Now I'm developing a web console for this application which will also interact with this DB and also change data. When I read data from the DB first time I get correct list of records. ...

16. Best Way to Update data in a read-only cache? forum.hibernate.org

I have a set of objects/tables mapped as read-only. I will be asynchronously recieving deltas from the "owning application" when the underlying tables change. I want to update the data in the cache based on these deltas. The easy way is to, I think, re-read the updated entity with CacheMode.REFRESH. But since I have the complete delta, it seems a waste ...

17. Cannot update Cache .data files created by another user forum.hibernate.org

18. Stale data, how to set up cache? forum.hibernate.org

Newbie Joined: Wed Jan 10, 2007 5:26 pm Posts: 2 I believe I have a case of stale data being read and I am not sure how to fix it. Here is the scenario. Read the record - read a value of field A, update value of A - save record. This works fine, even if it is repeated n times. ...

19. 2nd level cache - way of storing data forum.hibernate.org

In what form does Hibernate put objects into 2nd level caches? How fine-grained is 2nd level caching? Does hibernate manages 2nd level cache'ing on object basis or field basis? I'm asking because I need to know whether 2nd level caching solutions have a way of replicating in cluster only field level changes instead of replicating whole object. Terracotta video-seminars state that ...