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Re: Restarting leader zookeeper instance made quorum lost - Zookeeper - [mail # user]
...On Wed, Apr 9, 2014 at 12:56 PM, Bae, Jae Hyeon  wrote:Yes.No.You have to always have 3 ZK nodes live in order to maintain continuousoperation.Rolling restart implies that you wait long...
   Author: Ted Dunning, 2014-04-09, 21:23
Re: Best pratice - Zookeeper - [mail # user]
...Bcache looks great if you don't lose power.  If you do, I hope they did a*very* carefully thought out implementation.See this article for why:http://www.cse.ohio-state.edu/~qin/pub-pape...
   Author: Ted Dunning, 2014-03-21, 07:14
Re: fsync latency causing zookeeper server to fall apart - Zookeeper - [mail # user]
...The best way to mitigate this is to fix your platform problem.  There isvery little that ZK can do to help.IF it takes 10 seconds to flush to disk, this is going to make thesemachines p...
   Author: Ted Dunning, 2014-02-05, 00:29
Re: Where are we in ZOOKEEPER-1416 - Zookeeper - [mail # dev]
...On Sat, Jan 18, 2014 at 8:58 AM, Stack  wrote:   Fair correction.  I don't think I was the one who removed the context, but I should have been more sensitive to its lack. &nbs...
   Author: Ted Dunning, 2014-01-19, 00:05
Re: contrib REST? - Zookeeper - [mail # user]
...If you are going to try to put a web-ish interface on ZK, look at web sockets so that you can get notifications.     On Wed, Jan 8, 2014 at 11:46 AM, Jordan Zimmerman  wrote: ...
   Author: Ted Dunning, 2014-01-08, 23:40
Re: Ensure there is one master - Zookeeper - [mail # user]
...Generally things like heartbeating or estimating expiration of ephemeral nodes requires reference to a clock.  As such, detection of network partition or estimation of when an ephemeral...
   Author: Ted Dunning, 2013-11-28, 05:14
Re: From standalone ZK instance to 3 instances - Zookeeper - [mail # user]
...On Wed, Nov 20, 2013 at 4:07 PM, michael.boom  wrote:   This makes it look like you haven't used correct hostnames in your configuration....
   Author: Ted Dunning, 2013-11-20, 15:19
Re: ZK ensemble resused or dedicated? - Zookeeper - [mail # user]
...For production settings with well-behaved applications, sharing is not a bad idea.  I would definitely isolate development efforts onto a dev instance of ZK.  And if you have trigg...
   Author: Ted Dunning, 2013-10-28, 12:10
[ZOOKEEPER-1064] Startup script needs more LSB compatability - Zookeeper - [issue]
...The zkServer.sh script kind of sort of implements the standard init.d style of interaction.It lacks nice return codes status method standard output messagesSee http://refspecs.freestandards....
http://issues.apache.org/jira/browse/ZOOKEEPER-1064    Author: Ted Dunning, 2013-10-10, 18:25
[ZOOKEEPER-1066] Multi should have an async version - Zookeeper - [issue]
...per the code review on ZOOKEEPER-965 it seems that multi should have an asynchronous version.The semantics should be essentially identical.  The only difference is that the original cal...
http://issues.apache.org/jira/browse/ZOOKEEPER-1066    Author: Ted Dunning, 2013-10-10, 18:24
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