Tagged Questions
-1
votes
0answers
12 views
Reduce stopws after map 100% and reduce 26%
I am executing a mapreduce program on multinode cluster to tokenize a sentence and remove stopwords from it, why exection after MAP 100% was reduced to 26% stops and remain as it is?
Data:text files ...
1
vote
1answer
24 views
Cluster-aware Tomcat web application
I believe this task is not much exotic, but due to the lack of clustering experience I feel hard to find the answer.
Our web-app performs some background operations by schedule (data querying and ...
0
votes
1answer
22 views
Spark cluster fails on bigger input, works well for small
I'm playing with Spark. It is the default, pre-built distribution (0.7.0) from the website, with default config, cluster mode, one worker (my localhost). I read the docs on installing and everything ...
-1
votes
0answers
12 views
glassfish cluster node by node update
Is there an opportunity to update application on Glassfish v3.1.* cluster node by node, I meen when one node is always up?
Something like this:
1.old-up|old-up -> 2.old-down|old-up -> ...
0
votes
1answer
27 views
how to maintain application scope in Tomcat clustering?
I have configured the load balancing and the Clustering with Tomcat 6 in multiple machines and my Java application is deployed in all machines.
This works fine for me to maintain and to share the ...
1
vote
0answers
47 views
DatabaseLessLeasing has failed and Server is not in majority cluster partition
Im facing the DatabaseLessLeasing issue. Our's is a middleware application we dont have any database and our application is running on weblogic server. WE have 2 servers on one cluster. both server ...
2
votes
0answers
29 views
tomcat 6 horizontal clustering?
Please don't hesitate to ask for additional resource from me and don't hesitate to edit the question.
My Load Balancing configuration will be,
workers.java_home=C:/Program Files/Java/jdk1.6.0_25
...
1
vote
1answer
72 views
session replication and clustering in tomcat?
I have configured the HttpServer2.2 to achieve the load balancing and the Clusteringfor my java application.
But the Load Balancing works fine and Clustering(session replication) not works .
My ...
0
votes
1answer
114 views
Apache Helix vs YARN
What is the difference between Apache Helix and Hadoop YARN (MRv2). Does anyone have experience with both technologies? Can someone explain me the advantages/disadvantages of Helix over YARN and why ...
0
votes
1answer
45 views
Two Cluster each with 12 nodes- Cassandra database
I have started working on a project in which I am using Cassandra database.
Our production DBA's have setup two cluster and each cluster will have 12 nodes.
I will be using Pelops client to read ...
1
vote
1answer
95 views
Java Application Cluster Server and log files
Application is running on the cluster of servers.
I am seeking the clarification for two questions.
1.Do the Application(ear) runs also on Admin server or only in the node server?Am i right to say ...
2
votes
2answers
169 views
JBOSS domain mode, run on specific IP
I'm trying to pass this tutorial about clustering in JBOSS http://blog.akquinet.de/2012/06/29/managing-cluster-nodes-in-domain-mode-of-jboss-as-7-eap-6/
and I got stuck on running JBOSS on specific IP ...
1
vote
0answers
48 views
JMustanGo set-up
We maintained a working JMustanGo HPUX instance. However, we are migrating to HPUX 11i v3 VSE-OE and need to redeploy I don't seem to find any information on how to setup JMustanGo node. Can anyone ...
0
votes
1answer
128 views
Maintaining a single instance over multiple JVM
I am creating a distributed service and i am looking at restricting a set of time consuming operations to a single thread of execution across all JVMs at any given time. (I will have to deal with 3 ...
0
votes
1answer
46 views
Hazelcast partition re-shuffling of distributed map entries
When a new member joins a cluster, Hazelcast will shuffle the partition by re-distributing the entries of a distributed map. Is there anyway we can be notified of such an "entry migration"?
Like we ...