Can you copy/paste the json you are passing to the reassignment tool? Plus
the commands. Also do a describe on your topics.

-Clark

Clark Elliott Haskins III
LinkedIn DDS Site Reliability Engineer
Kafka, Zookeeper, Samza SRE
Mobile: 505.385.1484
BlueJeans: https://www.bluejeans.com/chaskins


chask...@linkedin.com
https://www.linkedin.com/in/clarkhaskins
There is no place like 127.0.0.1




On 7/8/14, 10:26 AM, "Florian Dambrine" <flor...@gumgum.com> wrote:

>I let the tool running for an entire weekend on the test cluster and on
>Monday it was still saying "failed"...
>
>I have 500 Go per Kafka node and it is a 8 nodes cluster.
>
>I am also wondering if I am using the tool correctly. Currently I am
>running the tool to rebalance everything across the entire cluster. As I
>have 3 replicas the tool requires at least 3 brokers.
>
>Should I add 3 new Kafka nodes and rebalance some topics to these new
>nodes
>only? I am afraid to unbalance the cluster with this option.
>
>Any suggestions?
>
>Thanks for your help.
>
>
>On Mon, Jul 7, 2014 at 9:29 PM, Jun Rao <jun...@gmail.com> wrote:
>
>> The failure could mean that the reassignment is still in progress. If
>>you
>> have lots of data, it may take some time to move the data to new
>>brokers.
>> You could observe the max lag in each broker to see how far behind new
>> replicas are (see
>>http://kafka.apache.org/documentation.html#monitoring).
>>
>> Thanks,
>>
>> Jun
>>
>>
>> On Mon, Jul 7, 2014 at 4:42 PM, Florian Dambrine <flor...@gumgum.com>
>> wrote:
>>
>> > When I run the tool with the --verify option it says failed for the
>>some
>> > partitions.
>> >
>> > The problem is I do not know if it is a zookeeper issue or if the tool
>> > really failed.
>> >
>> > I faced one time the zookeeper issue (
>> > https://issues.apache.org/jira/browse/KAFKA-1382) and by killing the
>> > responsible Kafka the partition switched from failed to completed
>> > successfully.
>> >
>> > What should I do when the Kafka tool says that it failed to move the
>> > partition?
>> >
>> >
>> >
>> >
>> > On Mon, Jul 7, 2014 at 4:33 PM, Clark Haskins
>> > <chask...@linkedin.com.invalid
>> > > wrote:
>> >
>> > > How does it get stuck?
>> > >
>> > > -Clark
>> > >
>> > > Clark Elliott Haskins III
>> > > LinkedIn DDS Site Reliability Engineer
>> > > Kafka, Zookeeper, Samza SRE
>> > > Mobile: 505.385.1484
>> > > BlueJeans: https://www.bluejeans.com/chaskins
>> > >
>> > >
>> > > chask...@linkedin.com
>> > > https://www.linkedin.com/in/clarkhaskins
>> > > There is no place like 127.0.0.1
>> > >
>> > >
>> > >
>> > >
>> > > On 7/7/14, 3:49 PM, "Florian Dambrine" <flor...@gumgum.com> wrote:
>> > >
>> > > >Hi,
>> > > >
>> > > >I am trying to add new brokers to an existing 8 nodes Kafka
>>cluster.
>> We
>> > > >have around 10 topics and the number of partition is set to 50. In
>> order
>> > > >to
>> > > >test the reassgin-partitions scripts, I tried on a sandbox cluster
>>the
>> > > >following steps.
>> > > >
>> > > >I developed a script which is able to parse the reassignment
>>partition
>> > > >plan
>> > > >given by the Kafka tool in smaller pieces (reassigning maximum 10
>> > > >partitions at a time).
>> > > >
>> > > >Unfortunately I faced some issues with the tool that sometimes get
>> stuck
>> > > >on
>> > > >one partition. In this case I have to kill and restart the three
>> Kafkas
>> > on
>> > > >which the partition has been relocated to unlock the process (One
>> kafka
>> > at
>> > > >a time).
>> > > >
>> > > >Moreover, I have also faced these two issues that are already on
>>Jira:
>> > > >
>> > > >https://issues.apache.org/jira/browse/KAFKA-1382
>> > > >https://issues.apache.org/jira/browse/KAFKA-1479
>> > > >
>> > > >We really need to add new nodes to our Kafka cluster, does anybody
>> have
>> > > >already rebalance a Kafka 0.8.1.1? What could you advise me?
>> > > >
>> > > >Thanks, and feel free to ask me if you need more details.
>> > > >
>> > > >
>> > > >
>> > > >--
>> > > >*Florian Dambrine*  |  Intern, Big Data
>> > > >*GumGum* <http://www.gumgum.com/>  |  *Ads that stick*
>> > > >209-797-3994  |  flor...@gumgum.com
>> > >
>> > >
>> >
>> >
>> > --
>> > *Florian Dambrine*  |  Intern, Big Data
>> > *GumGum* <http://www.gumgum.com/>  |  *Ads that stick*
>> > 209-797-3994  |  flor...@gumgum.com
>> >
>>
>
>
>
>-- 
>*Florian Dambrine*  |  Intern, Big Data
>*GumGum* <http://www.gumgum.com/>  |  *Ads that stick*
>209-797-3994  |  flor...@gumgum.com

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