Hi,
Thanks for your explanation! Do you mean I just need to write a number "1" in the file myid on 192.168.210.5, not "server.1" or other content? Thanks! Best Regards Johnny -----Original Message----- From: Karolis Pocius [mailto:k.poc...@adform.com] Sent: 2016年11月15日 14:47 To: users@kafka.apache.org Subject: Re: Create topic with multi-zookeeper URLs You need to create myid file in the datadir (in your case /tmp/zookeeper/myid) of each instance with a numeric ID inside that file corresponding to what you have in this section > server.1=192.168.210.5:2888:3888 > server.2=192.168.210.6:2888:3888 > server.3=192.168.210.8:2888:3888 So on 192.168.210.5 myid file would say 1, on 192.168.210.6 it would say 2, and so on. On 2016.11.15 08:04, ZHU Hua B wrote: > Hi, > > > Many thanks for your info! > > As you said, I think my configuration might be running two separate instances > of zookeeper rather than a cluster, so I modify the configuration file as > below and start up three zookeeper instances in separate machines. While the > zookeeper launched, some error occurred that "/tmp/zookeeper/myid file is > missing ". From zookeeper document, it said " When the server starts up, it > knows which server it is by looking for the file myid in the data directory. > That file has the contains the server number, in ASCII." If the file myid > will be created automatically or manually by myself? What's format for the > file myid? Thanks! > > Previous configuration: > dataDir=/tmp/zookeeper > clientPort=2181 > maxClientCnxns=0 > > > Current configuration: > dataDir=/tmp/zookeeper > clientPort=2181 > maxClientCnxns=0 > # For replicated mode > tickTime=2000 > initLimit=5 > syncLimit=2 > server.1=192.168.210.5:2888:3888 > server.2=192.168.210.6:2888:3888 > server.3=192.168.210.8:2888:3888 > > > # /root/kafka_2.8.0-0.8.0/bin/zookeeper-server-start.sh > config/zookeeper.properties > [2016-11-15 03:11:54,143] INFO Reading configuration from: > config/zookeeper.properties > (org.apache.zookeeper.server.quorum.QuorumPeerConfig) > [2016-11-15 03:11:54,145] INFO Defaulting to majority quorums > (org.apache.zookeeper.server.quorum.QuorumPeerConfig) > [2016-11-15 03:11:54,146] FATAL Invalid config, exiting abnormally > (org.apache.zookeeper.server.quorum.QuorumPeerMain) > org.apache.zookeeper.server.quorum.QuorumPeerConfig$ConfigException: Error > processing config/zookeeper.properties > at > org.apache.zookeeper.server.quorum.QuorumPeerConfig.parse(QuorumPeerConfig.java:110) > at > org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:99) > at > org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:76) > Caused by: java.lang.IllegalArgumentException: /tmp/zookeeper/myid file is > missing > at > org.apache.zookeeper.server.quorum.QuorumPeerConfig.parseProperties(QuorumPeerConfig.java:320) > at > org.apache.zookeeper.server.quorum.QuorumPeerConfig.parse(QuorumPeerConfig.java:106) > ... 2 more > Invalid config, exiting abnormally > > > > > > Best Regards > > Johnny > > > -----Original Message----- > From: Karolis Pocius [mailto:k.poc...@adform.com] > Sent: 2016年11月14日 17:25 > To: users@kafka.apache.org > Subject: Re: Create topic with multi-zookeeper URLs > > Can you explain how you launched those two zookeeper instances and maybe > share their config? You need to make some edits to config in order to run a > zookeeper cluster - I have a feeling you might be running two separate > instances of zookeeper rather than a cluster. Also, if you want a cluster you > should run zookeeper in odd numbers. From zookeeper documentation > https://zookeeper.apache.org/doc/trunk/zookeeperStarted.html > >> For replicated mode, a minimum of three servers are required, and it >> is strongly recommended that you have an odd number of servers. If you >> only have two servers, then you are in a situation where if one of >> them fails, there are not enough machines to form a majority quorum. >> Two servers is inherently *less* stable than a single server, because >> there are two single points of failure. > On 2016.11.14 11:05, ZHU Hua B wrote: >> Hi All, >> >> >> I want to create a topic with command "bin/kafka-topics.sh --create >> --zookeeper HOST:PORT --replication-factor 1 --partitions 1 --topic test", >> if the option "--zookeeper" could point to multi-zookeeper URLs such as >> "HOST1:PORT1,HOST2:PORT2"? >> I tried it as below seems the topic only be listed under the first zookeeper >> URL. But the description of this option said "Multiple URLS can be given to >> allow fail-over." If my usage is wrong? Thanks! >> >> >> # bin/kafka-topics.sh --create --zookeeper HOST1:PORT1,HOST2:PORT2 -- >> replication-factor 1 --partitions 1 --topic test creation succeeded! >> >> # bin/kafka-list-topic.sh --zookeeper HOST1:PORT1 >> topic: test partition: 0 leader: 0 replicas: 0 isr: 0 >> >> # bin/kafka-list-topic.sh --zookeeper HOST2:PORT2 no topics exist! >> >> # bin/kafka-topics.sh >> --zookeeper <urls> REQUIRED: The connection string for >> the zookeeper connection in the >> form >> host:port. Multiple URLS can be >> given to allow fail-over. >> >> >> Best Regards >> >> Johnny >> >>
