Read only Access(ACL) for all topics in cluster to user

2020-08-28 Thread Manoj.Agrawal2
Hi , We are using kafka 2.2.1 and we have requirement to provide read only access to user a for all topics existing in kafka cluster . is there any way we can add KAFKA ACL rule for read access at cluster level or all topic* to user . Thanks Manoj A This e-mail and any files transmitted with

Re: Kafka cluster cannot connect to zookeeper

2020-08-28 Thread Manoj.Agrawal2
You have'nt describe how you are adding zookeeper . Right way to add zookeeper One host at a time 1. update the existing zookeeper node conf/zoo.cfg by adding new host 2. restart the zk process on existing host 3. start the zk process in new node On 8/28/20, 8:20 AM, "Li,Dingqun" wrote:

Can't trace any sendfile system call from Kafka process

2020-08-28 Thread Ming Liu
Hi One major reason that Kafka is fast is because it is using sendfile() for zero copy, as what it described at https://kafka.apache.org/documentation/#producerconfigs, This combination of pagecache and sendfile means that on a Kafka cluster where the consumers are mostly caught up you will s

Kafka cluster cannot connect to zookeeper

2020-08-28 Thread Li,Dingqun
We have one zookeeper node and two Kafka nodes. After that, we expand the capacity of zookeeper: change the configuration of zookeeper node, restart it, and add two zookeeper nodes. After that, my Kafka cluster could not connect to the zookeeper cluster, and there was no information available in

Kafka cluster cannot connect to zookeeper

2020-08-28 Thread Li,Dingqun
We have one zookeeper node and two Kafka nodes. After that, we expand the capacity of zookeeper: change the configuration of zookeeper node, restart it, and add two zookeeper nodes. After that, my Kafka cluster could not connect to the zookeeper cluster, and there was no information available in

回复: Kafka cluster cannot connect to zookeeper

2020-08-28 Thread Li,Dingqun
We have one zookeeper node and two Kafka nodes. After that, we expand the capacity of zookeeper: change the configuration of zookeeper node, restart it, and add two zookeeper nodes. After that, my Kafka cluster could not connect to the zookeeper cluster, and there was no information available in