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From: Francisco de Freitas [mailto:chicofranch...@gmail.com]
Sent: Monday, September 17, 2018 9:05 AM
To: Harsh J
Cc:
Subject: Re: ZKFC ActiveBreadCrumb Value
Thanks a lot Harsh. This is exactly what I di
Thanks a lot Harsh. This is exactly what I did. I appreciate it for having
the time to point the correct path as well.
Cheers,
Francisco
On Sat, 15 Sep 2018 at 19:21, Harsh J wrote:
> As mentioned by Wellington, the path you're going down will not
> guarantee any compatibility in future.
>
> Th
As mentioned by Wellington, the path you're going down will not
guarantee any compatibility in future.
The format/encoding/content/location/etc. of the messages stored in ZK
by the Failover Controller is not for public access and can change
without formal deprecation/etc.
A cleaner way without th
You could still use Harsh's solution programatically, or maybe an
easier way is to use HAUtil.getAddressOfActive() [1] for that? Ideally
we should not need to query ZK directly.
[1]
https://github.com/c9n/hadoop/blob/master/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/HAUt
Hi Harsh, thanks for your message.
The thing is that I need to find that out via API programatically so that's
why I gave the zkCli command as an example. I'm using this Go Lib (
github.com/samuel/go-zookeeper/zk) and I get the same result.
On Fri, 14 Sep 2018 at 02:22 Harsh J wrote:
> The valu
The value you are looking at directly in ZooKeeper is in a
serialized/encoded form. Those are not separator characters but more
likely an encoded integer binary value that your terminal is
interpreting as a printable character.
The standard way to find the active NameNode is to use the 'hdfs
haadm
When querying different HDFS clusters I get different separators (don't
really know if they're actually separators).
>From zkCli.sh on different clusters, running the following I get:
cmd: get /hadoop-ha/clusterX/ActiveBreadCrumb
Cluster1 (comma):
cluster1active-nn1,active-nn1.example.com �>(�>
