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Re: Timeouts and ping handling - Zookeeper - [mail # user]
...ZK does pretty much entirely sequential I/O.  One thing that it does which might be very, very bad for SSD is that it pre-allocates disk extents in the log by writing a bunch of zeros. ...
   Author: Ted Dunning, 2012-01-19, 18:18
Re: chatty error: Exception causing close of session 0x0 due to java.io.IOException: Len error 1835955314 - Zookeeper - [mail # user]
...On Wed, Jan 18, 2012 at 6:00 AM, Alexius Ludeman  wrote:   Pat gets the credit.  I just converted to hex and remembered my dark past secrets from the days when we wrote assemb...
   Author: Ted Dunning, 2012-01-19, 00:46
redundant watches - Zookeeper - [mail # user]
...I just had a question from an engineer regarding watches.  I realized in answering that I am not 100% sure that my answer is correct and would like some confirmation.  The scenario...
   Author: Ted Dunning, 2012-01-18, 23:50
robustness in the face of clock changes - Zookeeper - [mail # dev]
...I have seen a number of issues at client sites related to cavalier adjustments of clocks.  Up to now, my response has been to simply say "don't do that", but lately it has been bugging ...
   Author: Ted Dunning, 2012-01-18, 23:13
Re: Use cases for ZooKeeper - Zookeeper - [mail # user]
...I think I have a bit of it written already.  It doesn't use Curator and I think you could simplify it substantially if you were to use it.  Would that help?  On Thu, Jan 12, 2...
   Author: Ted Dunning, 2012-01-13, 02:18
Re: Performing no downtime hardware changes to a live zookeeper cluster - Zookeeper - [mail # dev]
...Neha  Filing a jira is a great way to further the discussion.    Sent from my iPhone  On Jan 9, 2012, at 15:33, Neha Narkhede  wrote:  s. te:   n  . t...
   Author: Ted Dunning, 2012-01-09, 23:17
Re: Multi doc? - Zookeeper - [mail # user]
...On Wed, Jan 4, 2012 at 10:03 AM, Jordan Zimmerman wrote:    Correct.    They happen in sequence, but I couldn't say exactly which version the check will see.  I susp...
   Author: Ted Dunning, 2012-01-04, 22:21
Re: zookeeper ephemeral node expired time not accurate - Zookeeper - [mail # user]
...See http://zookeeper.apache.org/doc/r3.2.2/zookeeperAdmin.html#sc_configuration for more information.  The minimum session expiration time is a small multiple of this number so it isn't...
   Author: Ted Dunning, 2012-01-01, 09:55
Re: Curator, a ZooKeeper Recipe Proposal - Zookeeper - [mail # dev]
...To amplify on this, it would be much easier to add committers to the incubator project than to ZK itself.  On Wed, Dec 28, 2011 at 2:52 PM, Patrick Hunt  wrote:  ...
   Author: Ted Dunning, 2011-12-28, 23:26
Re: order of async requests to zookeeper - Zookeeper - [mail # dev]
...Well, you have a constraint on the ordering from the ordering for requests from each separate handle.  Other than that, it is hard to see how you could get a stronger ordering.  On...
   Author: Ted Dunning, 2011-12-27, 05:23
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