apache-zookeeper

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Zookeeper barrier implementation

I am trying to implement a barrier in Zookeeper.My implementation works all of the time when there are a small number of nodes that need to join to pass the barrier.However, when I test my implementat[详细]

2023-03-15 15:40 分类：问答
In ZooKeeper, Could I use async getData() on a non-exist znode?

Even I called exists() method, I should check Code.NoNode too. Thus could I use getData() method directly?[详细]

2023-03-10 21:17 分类：问答
How is Apache Zookeeper used in sharding?

We are thinking of centralizing cfg information and looks like zookeeper is a good choice. We are also interested in sharding and have a scheme. In the 开发者_运维知识库poweredBy[1] saw that Rackspace[详细]

2023-03-10 05:45 分类：问答
ZooKeeper: how to correctly reconnect when session expired?

ZooKeeper FAQ tells that ZooKeeper object must be recreated when state becomes SESSION_EXPIRED. Are there any examples of code that does such reconnection properly? Recipe开发者_开发技巧s folder in z[详细]

2023-03-06 12:15 分类：问答
HBase Zookeeper Close Connection

I\'m trying to make a simple Web Service that runs on Apache Tomcat and has only one operation thate makes a HBase table scan.[详细]

2023-02-15 21:20 分类：问答
How to design task distribution with ZooKeeper

I am planning to write an application which will have distributed Worker processes. One of them will be Leader which will assign tasks to other processes. Designing the Leader elelection process is qu[详细]

2023-02-15 01:14 分类：问答
Generating unique primary Ids of int32 & int64 sizes

I am developing a social web application using Java and a distributed noSQL DB(Cassandra). I need to generate ids for new users and posts on the application in the sizes of 32bits and 64 bits respecti[详细]

2023-02-14 19:01 分类：问答
how to integrate cassandra with zookeeper to support transactions

I have a Cassandra cluster and Zookeeper server installed. Now I want to support transactions in cassandra using zookeeper. How do i do that.[详细]

2023-02-12 08:07 分类：问答
asking about apache zookeeper [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this[详细]

2023-02-06 23:41 分类：问答
What exactly is the zookeeper quorum setting in hbase-site.xml?

What exactly is the zookeeper quorum setti开发者_如何学JAVAng in hbase-site.xml?As described in hbase-default.xml, here\'s the setting:[详细]

2023-01-31 00:51 分类：问答