Apache Zookeeper

wikipedia:Apache ZooKeeper distributed systems offering a hierarchical key-value store.

brew install zookeeper
/opt/homebrew/etc/zookeeper/zoo.cfg

Commands

• zookeeper-security-migration
• zookeeper-server-start
• zookeeper-server-stop
• zookeeper-shell
• zkCleanup
• zkCli
• zkServer
• zkServer-initialize
• zkSnapShotToolkit
• zkSnapshotComparer
• zkTxnLogToolkit

• Port: 2181

Apache projects using ZooKeeper

• Apache Hadoop
• Apache Accumulo
• Apache HBase
• Apache Hive
• Apache Kafka
• Apache Solr
• Apache Spark
• Apache NiFi
• Apache Druid
• Apache Helix

Related terms

• Apache Kafka
• Apache Hadoop
• Apache Solr
• etcd
• Sentry
• NIOWorkerThread

See also

• Apache Zookeeper: zookeeper, zookeeper-shell, zkcli, zkserver, zkServer-initialize, zkSnapShotToolkit, zkSnapshotComparer, zkTxnLogToolkit, zkCleanup, zoo.cfg, zookeeper-server-start
• Key-value databases: Berkeley DB, Redis, etcd, leveldb, RocksDB (MyRocks), Infinispan, Amazon DynamoDB, Apache Zookeeper, LevelDB
• Databases: Database management, SQL, NoSQL, Wide column, PostgreSQL, MariaDB, MySQL, Derby DB, MongoDB, Cassandra, SQLite, HSQL2, H2, RocksDB, Microsoft SQL Server, DB2, Oracle Database, Memcached, Berkeley DB, Collation, SingleStore, Amazon Aurora, Graph database, Amazon DynamoDB, PrestoDB, Cache hit ratio, ACID, WAL, ARIES, DBMS, OLTP, OLAP, Database Schema, CockroachDB, Tables, Views, Apache Druid
• Apache: Apache Mesos, Apache Cassandra, Hadoop YARN, Apache CloudStack, Apache Hadoop, Apache Maven, Apache Ivy, Apache Ant, Apache Ignite, Apache Flume, Apache HTTP server, Apache Archiva, Apache Karaf, Apache Flink, Apache Beam, Apache Solr, Apache JMeter, Apache Groovy, Apache NiFi, RewriteEngine, Apache CouchDB, Apache Parquet, Apache Chainsaw, Apache Spark, Apache Lucene, MXNet