PartitionAttributes Colocation queries
Hi,I have created two regions:PartitionResolver resolver = new TradesPartitionResolver();PartitionAttributes attrs = new PartitionAttributesFactory().setPartitionResolver(resolver).create();Region...
View ArticleGemfire Query Performance
Hi guys, Currently I build Client-Server model with gemfire 6.5 and the cache is Partition with redundant default 0. And the authentication is configured. There're two cache servers and one locator....
View ArticleGemfire supports RFID application in M2M environment
Hi Everyone: I have seen old Gemfire Real-Time Event Technical White Paper slides to refer some CEP and RFID business application introduction. Has someone(Gemfire Expert or Guru) these hand-on...
View ArticleWhat is the CONNECTION_POOL_SIZE setting for?
How is it different from min-connections setting at the <pool> level? thanks.
View ArticleGemfire function timeout
I need to run a function at the server side to clean up some old data. The function execution would take 5-10 min, and I set the Server's maximum-time-between-pings to 10 min and the Client's...
View ArticleDifference in write time in a region
I have a distributed region(configured through xml). I am inserting 100,000 records into it. Now there are three scenarios under which i am inserting records.1. All the data on one server and on one...
View ArticleIntrospecting gemfire_modules_sessions region
i am trying to run this query in data browser select sessionContext from /gemfire_modules_sessions I get this exception ---------------------------DataBrowser...
View ArticlePartition Regions - Client not receving all updates
Hi, I am facing an issue with client-subscription. My PROXY client is not receiving all the updates from the cache. Cache has all the regions(defined as partitioned region). I have verified from the...
View ArticleContinues Query doesn't publish inconsistent event type to CQ client
Continues Query doesn't publish the corrent event type to CQ client. Example: 1. register the CQ and get initial result2. initial result returns 5 objects3. Update the cached object and make all 5...
View ArticleDatabrowser - ClassNotFoundException
I am trying to run simple OQL query in Data Browser.I am getting ClassNotFoundException although I have that jar on classpath, which has the class. Please suggest.
View ArticleWhy is client request timeout take so long?
I have noticed that the timeout duration for the request is releated to value of the pool's min-connections? Can anyone confirm this? My client setting is ... <pool name="PrintServerClient"...
View Articlewhat does this error in WAN gateway log mean?
Java version: 6.6.3.4 build 38188 09/26/2012 09:37:29 PDT javac 1.6.0_26 Native version: 6.5 06/02/2010 11:16:48 PDT optimized i386 Linux 2.4.21-47.EL Source revision: 38188 Source repository:...
View ArticleJava heap space occurs by problem with Gemfire Region
Hi, I have a big problem with my application.This is working with 2 servers (Gemfire) in cluster and a thread procces that is running every five minutes, in this thread there is a procces that make a...
View ArticleGemfire Authentication - Performance Impact
We enabled authentication in our application and are seeing a drop by 25% in system performance. We have two clients in the DS. One which publishes the data(using putall) and another is only...
View ArticleEntry destroyed exception
Hi, In application, When replicated region is used, some of the entries are scheduled to expire in future. Currently ExpirationAttributes used to expire the entry in future. I beleive this attribute...
View ArticleOQL 3 joins and index usage
Hi, I'm observing slow OQL and it seems it's because the indexes are not used. Assume there are 3 regions A, B and C. given the query:"select distinct c.branchId from A as a, B as b, C as c where...
View ArticleGemfire Error -Since a cache already existed a pool should also exist
I am getting the below error on client side while creating a cache object via ClientCacheFactory. Caused by: java.lang.IllegalStateException: Since a cache already existed a pool should also exist....
View ArticleThe function is not registered for function id TopTenListFunction
Hi, I am trying to get up and running function related sample. Usually it works. But I need to ensure, function always executed strictly in the server. Hence I have two different JVM 1) Server VM...
View ArticleProblem starting Pulse tool hosted in Tomcat
I have the pulse.war file hosted in a Tomcat instance and I am trying to get it to connect to my Gemfire 7 cluster via a locator running as a JMX Manager. The locator and my only gemfire cache server...
View ArticleGemFire 7, PDX and ClassCastException
I'm running a fairly simple region. Or I thought I was...Key is a Long. Value is a custom class. Inside value class is a few member variables and a set of attributes modelled as a TreeSet (which is...
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