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Questions tagged [zookeeper]

48 questions
28
votes
3 answers

What command could be issued to check whether a ZooKeeper server is a Leader or a Follower?

A ZooKeeper Quorum consisting of three ZooKeeper servers has been created. The zoo.cfg located on all three ZooKeeper servers looks as follows: maxClientCnxns=50 # The number of milliseconds of each tick tickTime=2000 # The number of ticks that the…
030
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16
votes
9 answers

Unable to start kafka with zookeeper (kafka.common.InconsistentClusterIdException)

Below the steps I did to get this issue : Launch ZooKeeper Launch Kafka : .\bin\windows\kafka-server-start.bat .\config\server.properties Also note that my OS is Windows And at the second step the error happens : ERROR Fatal error during…
TourEiffel
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14
votes
1 answer

Get zookeeper cluster status

Is there a cli or some command-line, that I can use to find the zookeeper cluster status. Basically I want to know how to member in cluster or which nodes is acting as a leader. Any pointers will be helpful. Saw this question in stackoverflow:…
Sumit Murari
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8
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1 answer

Could not start ZK at requested port of 2181, while export HBASE_MANAGES_ZK=false

Problem The first aim was to run HBase standalone. Navigating to ip:60010/master-status is succesfull once HBase has been started. The second aim is to run a distinct ZooKeeper quorum. ZooKeeper has been downloaded and has been started: netstat…
030
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6
votes
4 answers

How can I stop ZooKeeper on Ubuntu?

I have installed zookeeperd on Ubuntu 14.04 (Trusty Tahr) as suggested here: Unfortunately this process is somehow not stoppable. I tried even kill -9 user@node1:/opt/zookeeper-3.4.6$ ps -ef | grep zookeeper zookeep+ 4008 1 8 01:07 ? …
merlin
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5
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1 answer

Why would using MongoDB in lieu of etcd as a key value store be a good or bad idea?

I'd like to get general thoughts from the community as to why MongoDB for key/value would OR would not be a suitable replacement for etcd or other purpose-built key/value store system (consol, zookeeper, etc).
DefionsCode
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4
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1 answer

Kafka compatible with Zookeeper 3.5 feature 'Rebalancing Client Connections'

In this document https://zookeeper.apache.org/doc/trunk/zookeeperReconfig.html dynamic configuration functionality is described for Zookeeper 3.5. There are 2 important points in this document: When changing the dynamic config of one Zookeeper…
hendrikswan
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4
votes
0 answers

Kafka using a distant Zookeeper instance?

we have an existing Zookeeper instance, and want to build a Kafka cluster in a remote location (not on the same side of the Atlantic ocean). Can we use that existing Zookeeper for our new Kafka usage ? Would latency be an issue ? Kafka is using…
Pixou
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3
votes
1 answer

Zookeeper node is not able to load database on production server anymore

I am running a zookeeper ensemble of 3 on three different ubuntu 14.04 nodes. The setup used to work OK, but now I noticed the zk1 is not operational. It does also not restart: :/home/www$ sudo /etc/init.d/zookeeper status * zookeeper is not…
merlin
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2
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3 answers

ZooKeeper not starting because acceptedEpoch is less than the currentEpoch

I have zookeeper.version=3.4.10, and I see: https://issues.apache.org/jira/browse/ZOOKEEPER-2307 that is however in unresolved status. The problem appeared because of filling up the disk space. Now that I deleted some logs, and freed space, I would…
hdjur_jcv
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2
votes
0 answers

kafka docker - ERROR when sending a message

I would like to implement kafka in a docker container. I use the official zookeper instance for kafka as docker container, too. When I want to write a message about the terminal, on my linux mint 18.1 OS, I get the following error message. foo@bar ~…
Volker Raschek
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2
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0 answers

How to make ActiveMQ nodes keep their database synchronized?

I have 3 servers with Zookeeper and ActiveMQ installed. Everything seems to be working fine, however, when one of my node dies, and a new election occurs, however the new leader don't have the same database state as the other leader had. Any idea…
Valter Silva
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2
votes
1 answer

Port out of range in ReplicatedDB ActiveMQ

I have 3 replicated machines with Zookeeper and ActiveMQ (linux). I can confirm that zookeeper works correctly since I can see their ports (2888 and 3888) listening via netstat. The problem is confirmed in the ActiveMQ side. On the slave machines,…
sweet suman
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2
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0 answers

Restoring Solr Cloud 4.7 index

I have a test environment which is created every morning and then destroyed every night. Part of the environment is a SolrCloud (version 4.7) instance connected to a remote Zookeeper cluster. The Solr instance has one shard and around 8 cores. Some…
wimnat
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2
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2 answers

Solrcloud: Error 500 after restart

I have 3 vm windows, on all of them is installed solr 5.4.0 and 3.4.6 zookeeper; the two services start automatically when the vm start. After reboot vms the solr does not respond correctly, it gives me error500: HTTP ERROR 500 Problem accessing…
kasher
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