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sometimes I can't read data I just wrote..race condition or misunderstanding? - Zookeeper - [mail # user]
...We're running a five node cluster in AWS and sometimes if I do a readimmediately after doing a write ZK does not find the data I just wrote.I may just have a flawed model but is this a case ...
   Author: Brian Tarbox, 2014-03-04, 15:22
can't delete b/c "Node not empty" but the node really IS empty! - Zookeeper - [mail # user]
...I have some nodes that I can not delete because zkCli (and programmaticallyas well) says the nodes are not empty..but when I try to list them it showsthat they are empty...so I'm stuck.[zk: ...
   Author: Brian Tarbox, 2014-02-21, 19:35
using observers for failover - Zookeeper - [mail # user]
...We have a 3 node cluster which as I understand it means we can survive the failure of a single node.  We have a 4th machine available and I'm wondering if I can run zk as an observer on...
   Author: Brian Tarbox, 2013-09-12, 12:16
[expand - 1 more] - Re: Use zookeeper with Cassandra - Zookeeper - [mail # user]
...Many thanks for the clear and concise explanation!  I'll check out the slides.  Brian   On Fri, Jul 19, 2013 at 11:29 AM, Ben Bangert  wrote:      http://a...
   Author: Brian Tarbox, 2013-07-19, 16:15
Re: Determine when ZooKeeper Instance is in-sync - Zookeeper - [mail # user]
...You might also want to look at https://github.com/phunt/zktop   which is basically "top" for zk.   Very helpful   On Mon, Jun 24, 2013 at 9:59 PM, grayaii  wrote:   ...
   Author: Brian Tarbox, 2013-06-25, 14:30
cluster confused...would not delete node until cluster restarted... - Zookeeper - [mail # user]
...My 3 node cluster would not let me delete a node saying it was not empty...but stat showed that it was in fact empty:  [zk: localhost:2181(CONNECTED) 1] delete /ROOT_A/INSTANCES/ 10.244...
   Author: Brian Tarbox, 2013-05-23, 13:21
Is there a way to get the first 'n' children of a node? - Zookeeper - [mail # user]
...We are building up some quite large (100,000) lists of items under a node.  Each item is small but there are a lot of them.  I need to process these items but certainly don't need ...
   Author: Brian Tarbox, 2013-04-10, 14:15
[expand - 1 more] - Re: how do you examine the transaction log? - Zookeeper - [mail # user]
...Thank you so much! :-)   On Mon, Mar 25, 2013 at 3:59 PM, Camille Fournier wrote:     http://about.me/BrianTarbox...
   Author: Brian Tarbox, 2013-03-25, 20:28
trying to understand the keep alive code - Zookeeper - [mail # user]
...I've been trying to debug a problem related to getting session timeouts when running an app that does tons of non-zookeeper related I/O.  That I/O pressure has led to lots of zookeeper ...
   Author: Brian Tarbox, 2013-02-27, 19:03
[expand - 1 more] - Re: excessive client timeouts tied to NIO select(timeout) - Zookeeper - [mail # user]
...Thanks .  We're running on Amazon EC2 so the network is unpredictable.  Our app is doing a ton of other I/O via Amazon S3 as well as to Cassandra.  Even given that, asking for...
   Author: Brian Tarbox, 2013-02-26, 18:53
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB