Can existing disk stores be renamed?
Hi All We want to upgrade to spring data gemfire ver 1.2.2/gemfire 6.5.1 to make use of the key/value constraint but it broke our existing disk store xml config (disk store been moved to the top level...
View ArticleSpring + EclipseLink + Gemfire L2 Cache
Hi, I want to set up Gemfire as L2 Cache we are using JPA with eclipseLink.It seems that Gemfire was performed to use hibernate. Any Is there any docs related to confim or solution or plug in ? Thank...
View ArticleOQL to query nested Objects
My object structure is as below:Class A{ public string key; public string fieldName; List<ArrayList<MyCustomObject>> myNewObject = new...
View ArticleError Integrating Gemfire 7.0.1 with Hibernate 4.x as L2 cache
Hi, I am trying to set up Hibernate 4.3.0 with Gemfire 7.0.1 1-<prop key="hibernate.cache.region.factory_class">com.gemstone.gemfire.modules.hibernate.GemFireRegionFactory</prop> 2 - jars...
View ArticleMessage still queued up at gemfire cache when native client GUI crashed but...
Hi there. Here's the issue we met.we havet .net native GUI client, somehow our gui get closed but not exit totally, the registration keys on gemfire server still keep the connection, but no message...
View ArticleKeeping Gemfire in Sync with a Database
We are developing an application that makes use of deep object models that are being stored in Gemfire. Clients will access a REST service to perform cache operations instead of accessing the cache via...
View ArticleWhat is the best practice for embedded map?
I want to move a cache (multi-level embeded map) to Gemfire, and want to get some suggestion, thanks. The current cache is Map<Integer, Map<Integer, Map<Integer, Map<Boolean,...
View ArticleDurable client, reconnect and detecting interest
Hi, Given the following scenario:1. Durable client2. Server side register interest3. Durable client lost connectivity for more than the durable-client-timeout setting4. Connectivity is restored and...
View ArticleHow to use the gfsecurity.properties ?
Hi, I have the next problem. I need include all the field for the security, security-* in a different properties that the gemfire.properties, I was reading that exist a gfsecurity.properties, but I...
View ArticleManaging Open File Descriptors on GemFire Data Node Hosts
Open file descriptors (FD's) are an OS resource used for file handles and network connections (sockets). Given the distributed nature of GemFire deployments, it is often the case that GemFire data...
View ArticleGem Fire - Shared-Nothing Disk Persistence
Hi,Gem Fire's Share Nothing Disk Persistence, how good it is compared to NAS that Gem Fire uses?Gem Fire docs says, it outperforms NAS. Not clear about it.Please clarify. Thanks,Chakri
View ArticleProblem with gfsecurity in agent
Hi, I was trying to divide the configuration props and security prop using a gfsecurity.properties. But i found a problem in the agent. I have a agent.properties with the next values: # logging...
View ArticleRegionDestroyedException while creating region
Hi, I noticed RegionDestroyedException while creating a region in our application. This is the first time we are noticing this and after restarting application it worked as expected. In what cases does...
View ArticleAsyncEventListener
I have AsyncEventQueues with custom AsyncEventListeners installed in my application. I noticed on application shutdown that the AsyncEventListener's close method is being called twice even though I am...
View ArticleSprind data Gemfire Exception : loadCaches must not return an empty Collection
I would like to setup spring method caching backed up by Gemfire, the spring bean cache configuration is read as bellow : <gfe:cache id="simple" properties-ref="props" /><util:properties...
View ArticleTest for local primary bucket
How can I find whether the primary bucket is hosted locally for any given entry in a partitioned region? I am working with large objects in my partitioned region and I want to optimize operations on...
View ArticleGemfire Region Colocation
I would like to know a little bit more about how colocation works. Documentation in this area does not seem to be detailed at least does not seems so clear to me. Lets say I have 3 server nodes and 3...
View Articledestroy() vs. remove()
What is the difference between Region.destroy(Object key) and Region.remove(Object key)? They look identical in the API docs.
View ArticleInserting thousands of objects and Cache Listener
If I have partitioned region and I did putAll several thousands of objects. Does it mean that Cache Listener will fire several thousands times (split to number of server nodes)?I assume it will. Is...
View ArticleGMS shun
Every few days one of my gemfire servers get shunned and needs to be restarted. The gemfire log only shows this message and not much else. From the logs and thread dumps, my application looks perfectly...
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