mail archive zookeeper-user.hadoop.apache.org
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zookeeper-user.hadoop.apache.org
June 2009
Christophe Bisciglia — 124387624201 Jun 2009
Hadoop Fans, I'm happy to announce a new tool from the Cloudera team. We often found our customers wanting to import data from RDBMSs so they cou...
ZooKeeper viewer (6 Replies)
Satish Bhatti — 124404478503 Jun 2009*
Does anybody have a utility to view a ZooKeeper cluster? Something like a file tree viewer? Satish...
ConnectionLoss (node too big?) (9 Replies)
Eric Bowman — 124405180903 Jun 2009*
I'm seeing an error that I suspect is due to me trying to put to big a blob a data into a node. Can anyone confirm? (version 3.1.1) On the client...
ZooKeeper heavy CPU utilisation (13 Replies)
Satish Bhatti — 124405389403 Jun 2009*
I am running a 5 node ZooKeeper cluster and I noticed that one of them has very high CPU usage: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND ...
Errors during shutdown/startup of ZooKeeper (5 Replies)
Nitay — 124405494403 Jun 2009*
Hey guys, We are getting a lot of messages like this in HBase: [junit] 2009-06-02 11:57:23,658 ERROR [NIOServerCxn.Factory:21810] server.NIOServerCnxn...
Win32 as a production platform (3 Replies)
Marc Frei — 124414327104 Jun 2009*
Dear ZooKeeper users, the ZooKeeper Administrator's Guide states that Win32 is currently only supported as a development platform but not as prod...
Watches (8 Replies)
Avinash Lakshman — 124421871905 Jun 2009*
Hi All I have a znode named /A. Now I will over time create znodes below it such /A/A1, /A/A2, ..., /A/An etc. Now every time I create this sub znode ...
Question about ACL (1 Reply)
Qian Ye — 124440172607 Jun 2009*
Hi all: I've got some problem about setting ACL for node using C API. I read from the Guide that the scheme "ip" should accept mask, li...
Newbie Questions (6 Replies)
Grant Ingersoll — 124442383508 Jun 2009*
What's the overhead of connecting to a Server? In other words, if I'm in a multi-threaded web-app server environment, should I cache my ZooK...
Show your ZooKeeper pride! (5 Replies)
Patrick Hunt — 124456678909 Jun 2009*
The Hadoop summit is Wednesday. If you're attending please feel free to say hi -- Mahadev is presenting @4, Ben and I will be attending as well. ...
zookeeper.getChildren asynchronous callback (8 Replies)
Satish Bhatti — 124485538913 Jun 2009*
I am using the asynchronous (callback) version of zookeeper.getChildren(). That call returns immediately, I then wait for a certain time interval for ...
Fixing ZooDefs.PERMS.ALL (1 Reply)
Benjamin Reed — 124518234016 Jun 2009*
We have discovered that there is a bug in ZooDefs.PERMS.ALL: it is missing ZooDefs.PERMS.ADMIN, thus it isn't really ALL :) The problem is that t...
Authentification for Zookeeper Server (12 Replies)
David Graf — 124525610117 Jun 2009*
Hello I've implemented a locking service with ZooKeeper (in C++). It was pretty easy to implement! Now, I would like to set up some kind of authe...
Jean-Daniel Cryans — 124587614024 Jun 2009*
Hey all, Working on integrating HBase with ZK, we came around an issue that we are unable to resolve. I was trying to see how was our handling of netw...
Christophe Bisciglia — 124588828125 Jun 2009
Bay Area Hadoop Fans, We're excited to hold our first Hadoop User Group at Cloudera's office in Burlingame (just south of SFO). We pushed th...
Lift and Goat Rodeo (1 Reply)
David Pollak — 124593542525 Jun 2009*
Folks, At the end of the Scala Lift Off, after I finished my third beer, Martin Odersky came over to me and asked, "so, what's the future of...
General Question about Zookeeper (3 Replies)
Harold Lim — 124595428125 Jun 2009*
Hi All, How does zookeeper store data/files? >From reading the doc, the clients can put ACL on files/znodes to limit read/write/create of other cli...
Re: General Question about Zookeeper (2 Replies)
Harold Lim — 124595463925 Jun 2009*
Hi Henry, Does that mean for example, if I own the Zookeeper server and physical machine and have lots of clients using this Zookeeper server, I can s...
Harold Lim — 124595487225 Jun 2009
Thanks. That makes sense. -Harold...
Re: General Question about Zookeeper (1 Reply)
Harold Lim — 124595525725 Jun 2009*
Hi Gustavo, Actually, in my case, we have a fully decentralized service. Something like where you have users in a social network. Originally, we were ...
Harold Lim — 124595913125 Jun 2009
Hi Henry, Actually, I'm currently working on a research project. Basically, we're interested in the feasibility of a decentralized location-...
ZK quota (3 Replies)
— 124630132629 Jun 2009*
Is there a reason why node count/byte quota is not actually enforced but rather ZK just warns? Are there any plans to enforce the quota in a future re...