Few more Gemfire Questions
Can anyone answer below given queries: UseCase-1. I have a web based application in which I have a Map with pre-populated data of domain objects (around 60 objects which are read from serialized file...
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AsyncEventListener behavior
I understand that if I set up a redundant AsyncEventListener to process region events the queue will fail over to the redundant queue during a node failure with a possibility that some events may be...
View ArticleAsynchronous write down to DB with AsyncEventListener
I have a Gemfire application where I am performing DB updates to cached objects inside an AsyncEventListener. Basically whenever an object is put into Gemfire the AsyncEventListener will fire and the...
View ArticleClearing a partition region
Hi,We have some partition regions and some replicated regions. We want to clear these regions at the end of the business day. We are using region.clear() for replicated regions and it works. For...
View ArticleDynamic partitioned regions?
Is it possible to create a Dynamic Region that is Partitioned? In the 7.0 User Guide it says:If your application does not require partitioned regions, you can use the...
View ArticlePulse Region View is unusable when there are 100+regions
As you see attached image pulse view is unusable when there are high number of regions. If we switch to tabular view with 1 sec update that table redraw taken forever and nothing is usable.
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View ArticleGatewayEventListener write behind issue
Hi, I'm testing a new implementation of gemfire's region in my server system, and I found some issues in a specific scenario.The ideas is the next, my server system have a region called transaction...
View ArticlePulse Exception in Locator Log...
java.util.ConcurrentModificationException at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:819) at java.util.ArrayList$Itr.next(ArrayList.java:791) at...
View ArticleBootstrapping Gefmire cacheserver with Spring
Wondering if anyone has experience with bootstrapping Gemfire with Spring for a cacheserver? Configuration and startup seems pretty straight forward. But once its started via Spring, how do I shut it...
View ArticleGateway Queue with Disk Synchronous
Hi, I wanna know how work the gateway queue when the enable persitence is true, I read that " When you enable persistence on a gateway queue, themaximum-queue-memoryattribute determines how much memory...
View Articlememory leak when using region.put
I am seeing a weird behaviour when using the c# gemfire client. I am seeing memory leak on both the key and value when putting them into the region.After further investigation, i note that the GCHandle...
View ArticleStarting Pulse on two locators
Hi,We are migrating to Gem Fire 7.Problem we have is how do we know that pulse is started on which node in data fabric?We have 2 locators, 4 data nodes in our architecture. We are thinking of starting...
View ArticleDeteriorating query performance with index
I have a query like this. Both regions are indexed on instrumentKey Cluster-15 gfsh>query --query="<trace> select p from /instrumentstore i,/position p where i.symbolString='GOOG' and...
View ArticleAre there any Query Tools (besides DataBrowser) for GemFire?
I've tried DataBrowser, and it's not bad, but it connects via JMX. JMX is a problem for a couple of reasons: 1) It's a second set of credentials. We are using GemFire Authentication and Authorization....
View ArticleCan missing regions be automatically created when a cacheserver joins a cluster?
Here's the scenario I've run into I have a single GemFire cacheserver node.From a client, I call a GemFire Function on that cacheserver, and this function creates a new region programmatically. (The...
View ArticleClient excuting function on a particular server
I am trying to execute function on a particular server but I am unsuccessful in doing so. Here is what I have tried:Gemfire version: 6.6.3.4 client-cache.xml<pool name="offers-client"...
View ArticleIncorrect Trace message upon query execution 7.0.1.3
I just deleted an index Cluster-15 gfsh>destroy index --name=symbolString --region=/instrumentstore Index "symbolString" on region : "/instrumentstore" successfully destroyed on the following...
View ArticlePartitionOfflineException with a Partition Region
Hi, I'm trying to intruduce a partition region in my system, but I found a problems. Now, my system in the server side is a cluster with two nodes, in the time this sever will grow, for this we decided...
View ArticleUsing SSL only at the gateway(multi-site) - not with in Distributed system
We have enabled SSL in our envrionment. We see a drastic performance reduction in terms of put throughout with and without SSL. At the moment when we enabled ssl it gest enabled for WAN- communication...
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