hi, All,
I have a 3-host cluster running ZooKeeper 3.2.2. On one of the hosts, there
are a number of nodes that I can get and ls using zkCli.sh . However, when
I tried to delete any of them, I got Node does not exist error.Those
nodes do not exist on the other two hosts.
Any idea how
hi, Ted,
Thanks for the reply. Here is what I did:
[zk: localhost:2181(CONNECTED) 0] ls
/xpe/queues/3bd7851e79381ef4bfd1a5857b5e34c04e5159e5/msgs/msg002948
[]
zk: localhost:2181(CONNECTED) 1] ls
/xpe/queues/3bd7851e79381ef4bfd1a5857b5e34c04e5159e5/msgs
[msg002807,
What do your nodes have in their logs during startup? Are you sure
you have them configured correctly? Are the file ephemeral? Could
they have disappeared on their own?
Sent from my iPhone
On Aug 11, 2010, at 12:10 AM, Dr Hao He h...@softtouchit.com wrote:
hi, Ted,
Thanks for the
HI Dr Hao,
Can you please post the configuration of all the 3 zookeeper servers? I
suspect it might be misconfigured clusters and they might not belong to the
same ensemble.
Just to be clear:
/xpe/queues/3bd7851e79381ef4bfd1a5857b5e34c04e5159e5/msgs/msg002807
And other such nodes exist on
What happens during a network partition and different clients are
incrementing different counters, and then the partition goes away?
Won't (potentially) the same sequence value be given out to two
clients?
.. Adam
On Thu, Aug 5, 2010 at 5:38 PM, Jonathan Holloway
jonathan.hollo...@gmail.com
If I use an async version of a call in a cluster (ensemble) what happens if
the server I'm connected to goes down? Does ZK transparently resubmit the call
to the next server in the cluster and call my async callback or is there
something I need to do? The docs aren't clear on this and searching
Ah thanks, I forgot the majority-commit property because I also
forgot that all servers know what the cluster should look like, rather
than act adaptively (which wouldn't make sense after all).
.. Adam
On Wed, Aug 11, 2010 at 3:23 PM, Ted Dunning ted.dunn...@gmail.com wrote:
Can't happen.
In
On 08/11/2010 03:25 PM, Jordan Zimmerman wrote:
If I use an async version of a call in a cluster (ensemble) what
happens if the server I'm connected to goes down? Does ZK
transparently resubmit the call to the next server in the cluster and
call my async callback or is there something I need to
http://hadoop.apache.org/zookeeper/docs/r3.3.1/zookeeperAdmin.html#sc_dataFileManagement
says that one can copy the contents of the data directory and use it
on another machine. The example states the other instance is not in
the server list; what would happen if one did copy it to an offline
Try running the server in non-embedded mode.
Also, you are assuming that you know everything about how to configure the
quorumPeer. That is going to change and your code will break at that time.
If you use a non-embedded cluster, this won't be a problem and you will be
able to upgrade ZK
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