What 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 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 ArticleIs there a way to replicate data across site?
We have a multi-site implementation separated by WAN. We have one site up and running with all the data. The other site has same configuration as the first one except for the data. Is there a way to...
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 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 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 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 ArticleGemfire unresponsive in test environment
Our company is running two separate networks internally for company operations; one network is for testing and the other is for production. The production network has access to the the public internet...
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 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 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...
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 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 ArticleWrite-Behind functionality
Hi, We are using Gemfire 6.6.3.4. I wanted to know if there are any smarts built into Gemfire to counter a situation where the data source is down for some time. In such a situation, will Gemfire retry...
View ArticleInstantiator Problem
Hi, I found a problem in my application, this problem I think that is about the Instantiator.I was monitoring the data traffic and found references to different class of my program, this was weird...
View ArticleGatewayHub setDisableEventRelay removed from API in 6.6.X
Hi We're in the process of upgrading from 6.5.1.42 to 6.6.4 During recompile against 6.6.4 we've noticed that a change has been made to the GatewayHub interface, the method...
View ArticleGemfire server embedded in Spring or standalone (and having Spring acting as...
What are advantages, drawbacks of running gemfire server as a part of spring application vs standalone? ThanksJack
View ArticleNot getting callbacks on CacheListener
We have a couple of nodes in a disctributed cache all servers with replicated regions.When we add data it flows to the other nodes, all works fine. I tried to add CacheListener on the node that inserts...
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