mail archive zookeeper-user.hadoop.apache.org
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zookeeper-user.hadoop.apache.org
March 2010
zookeeper utils (8 Replies)
David Rosenstrauch — 126765655103 Mar 2010*
Was reading through the zookeeper docs on the web - specifically the "recipes and solutions" page (as well as comments elsewhere inviting ad...
Usage of myId (4 Replies)
Avinash Lakshman — 126783640406 Mar 2010*
Why is this important? What breaks down if I have 2 servers with the same myId? Cheers A...
network requirements (2 Replies)
Martin Waite — 126793618507 Mar 2010*
Hi, Is there any documentation describing the network requirements for running Zookeeper ? Our network admin has baffled me with all the reasons that ...
Ok to share ZK nodes with Hadoop nodes? (4 Replies)
David Rosenstrauch — 126810935009 Mar 2010*
I'm contemplating an upcoming zookeeper rollout and was wondering what the zookeeper brain trust here thought about a network deployment question:...
Zookeeper unit tester? (3 Replies)
David Rosenstrauch — 126817550109 Mar 2010*
Just wondering if there was a mock/fake version of org.apache.zookeeper.Zookeeper that could be used for unit testing? What I'm envisioning would ...
maxClientCnxns (1 Reply)
Michael Bauland — 126867184915 Mar 2010*
Hi, I've got another question regarding the connection limit. I sometimes get the following warning in my zookeeper log file: 15:33:46,351 - WARN ...
Managing multi-site clusters with Zookeeper (16 Replies)
Martin Waite — 126869504015 Mar 2010*
Hi, We're attempting to build a multi-site cluster: 1. web-tier and application tier is active in all sites 2. only one database is active at a ti...
persistent storage and node recovery (8 Replies)
Maxime Caron — 126873392316 Mar 2010*
Hi everybody, From what i understand Zookeeper consistency model work the same way as does Scalaris. Which is to keep the majority of the replica for ...
java heap size (7 Replies)
Lei Zhang — 126876256316 Mar 2010*
Hi: I am puzzled by the Zookeeper Admin Guide's advice on choosing Java heap size: "Set the Java heap size. This is very important to avoid s...
Łukasz Osipiuk — 126893494818 Mar 2010*
Hi guys, Today we experienced another problem with our zookeeper installation. Due to large attachments I created jira issue for it, even though it is...
syncLimit explanation needed? (1 Reply)
César Álvarez Núñez — 126894230518 Mar 2010*
Hi all, I'm would like to get a better understanding of "syncLimit" configuration property. Accordingly to Administration Guide: ...
permanent ZSESSIONMOVED (27 Replies)
Łukasz Osipiuk — 126894949118 Mar 2010*
Hi everyone! I am writing to this group because recently we are getting some strange errors with our production zookeeper setup. From time to time we ...
Dominic Williams — 126899354719 Mar 2010*
Hi ZooKeepers! The current ZooKeeper client holds strong references to Watcher objects. I want to change the client so it only holds weak references. ...
Isabel Drost — 126953036825 Mar 2010
Call for Presentations Berlin Buzzwords http://berlinbuzzwords.de Berlin Buzzwords 2010 - Search, Store, Scale 7/8 June 2010 This is to announce the B...
deleting a node - command line tool (5 Replies)
Karthik K — 126963222426 Mar 2010*
Hi - I am looking to delete a node (say, /katta) from a running zk ensemble altogether and curious if there is any command-line tool that is available...
Patrick Hunt — 126964774426 Mar 2010
The Apache ZooKeeper team is proud to announce Apache ZooKeeper version 3.3.0. ZooKeeper is a high-performance coordination service for distributed ap...
Solitication for logging/debugging requirements (2 Replies)
Ivan Kelly — 126989945629 Mar 2010*
Hi, Im going to be using Zookeeper quite extensively for a project in a few weeks, but development hasn't kicked off yet. This means I have some t...
Patrick Hunt — 126990195429 Mar 2010
I've posted an overview of ZooKeeper 3.3.0's low level monitoring commands that you might find useful. A number were added in this release in ...
zd.wbh — 126992828030 Mar 2010*
Thanks for your quick reply, Ted. we are implementing a distributed system, using zookeeper for master metedata persistence. There's DISK object a...
zd.wbh — 126993473930 Mar 2010*
Ted, it is generous to do this analysis. Thanks a lot. It is in the situation 2, it's important to keep a disk in only one diskPair.Your suggested...
vishal kher — 126995877530 Mar 2010
Hi, The Zookeeper admin guide mentions that Win32 is not supported in production environment. We are planning to use zookeeper on Windows production e...
How to ensure trasaction create-and-update (5 Replies)
zd.wbh — 126998195930 Mar 2010*
hi，all we'd like to store some metadata in zookeeper in our upcoming project, here is a special but common case: we need to create a new znode, ...
Thomas Koch — 127002185631 Mar 2010
GIT is one of the most popular distributed version control system. In the hope, that more Java developers may want to explore the world of easy branch...
zd.wbh — 127005741931 Mar 2010*
Ted, your suggested flow guaranteed the update sequence to succeed or fail completely. It is under the assumption that zookeeper requester is stable e...
the error (6 Replies)
li li — 127006685131 Mar 2010*
Dear developer, when I use the zookeeper in a cluster of two machine.I find problem when I make the over 17 threads read data in one znode. I will get...