Questions tagged [apache-zookeeper]
Apache ZooKeeper is a distributed service that provides configuration information storage, naming, synchronization, coordination, and group services.
apache-zookeeper
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Where is Cassandra useful if it has no concept of Isolation Levels?
I read here that Cassandra has no concept of Isolation Levels and that you need to use External Locking(say Zookeeper) to enforce any kind of locking, which will magnify the latency manyfold.
I wonder,...
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About ZK with snapshot startup failure problem
zk version: 3.8.3
3.8.3-6ad6d364c7c0bcf0de452d54ebefa3058098ab56, built on 2023-10-05 10:34 UTC
first of all
my zk cluster crushed, and i want to findout the reason.
i dump the snapshot and datalog ...
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use dubbo-go as client to call java springboot registered method in zookeeper error
I have a Spring Boot service that has registered some methods with ZooKeeper through Dubbo, and here is the configuration file for that service.
spring:
cloud:
zookeeper:
connect-string: ...
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Multiple instances of springboot running on same database - best way to handle concurrent db access
We have an environment where we run multiple spring boot web services all linked to a single database schema. All of them are registered to Eureka and a gateway is responsible of accepting client ...
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Invalid version (expected 2, but 31) or the data in not in 'javabin' format for Solr8.11.3
Upgrading my Solrj to 8.11.3. Using a java application that uses solr-solrj-8.11.3 to communicate to Solr. Getting the below error.
Invalid version (expected 2, but 31) or the data in not in 'javabin' ...
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Flink job crashing due to OutOfMemoryError after ZooKeeper leadership change
I recently introduced ZooKeeper to my Flink Job for Checkpointing and High Availability. Things were running smoothly until a ZooKeeper leadership changed and the JobManager disconnected. The pattern ...
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finding out the time to live value for a node in Zookeeper
I am able to set the TTL value for a node.
Having said that, is there a way to programmatically find out what the TTL value is for a node that has one?
A reference to the API docs would be just fine ...
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Trying to connect to Solr Cloud using zookeeper instead of a simple HttpClient from R?
There is a package called solrium which has been great for me until the network timeouts began happening. Our production servers run SolrCloud, managed by a zookeeper quorum, and my only theory I have ...
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Kafka with Zookeeper connections issue on EKS
I am quite new to Kafka.
I want to deploy Kafka with Zookeeper on EKS cluster. [without Kraft]
I am using bitnami helm charts for the same.
Here are followed steps:
Step1:
I have deployed zookeeper ...
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dbeaver 24.0.0 could not connect to hive via zookeeper through kerberos auth
I have my keytab file configured and dbeaver.ini configured with correct keytab and jaas.conf, the config worked fine for phoenix db access through the kerberos, so I can say the dbeaver setting with ...
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When using ClickHouse, sometimes the number of zk-nodes suddenly increases significantly
When using ClickHouse, if there is a sudden surge of traffic, the bulk write QPS will also increase, and in this case, an increase in the number of zk-nodes is considered normal.
But sometimes the ...
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How can I compile zookeeper c client 3.8.4?
I want to compile c client for zookeeper, I cloned the codes and checkout it to tag 3.8.4. Then I did as follows:
1 install libcppunit-dev
2 enter zookeeper-jute and execute command mvn compile, got ...
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Kafka Infrastructure Set Up
I am new to Kafka, I have got a requirement to receive around 9000 messages per second, size of each message is around 20 KB.
Can someone suggest, what are the ideal number of VMs required for: ...
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Kafka consumerdoesn't receive messages in docker
I am creating a very basic consumer/producer setup for Kafka. I am using both Zookeper and Kafka with a Docker compose. Both seem to be connecting but when it comes to produce or consume, nothing ...
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I use ZooKeeper to acquire a distributed lock. If I obtain the lock but the task takes too long to execute, will the lock be released prematurely?
I use ZooKeeper to acquire a distributed lock. If I obtain the lock but the task takes too long to execute, will the lock be released prematurely?
In ZooKeeper, there's a setting for session timeout. ...
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