The Apache ZooKeeper team has announced that Apache ZooKeeper release 3.5.3-beta is now available! This release is the first beta release of the 3.5 series, which cover 77 issues, thirteen of which were considered blockers. Here are some highlights: New Feature ZOOKEEPER-2719 Enable creation of TTL nodes, which are znode that's not tied to a session and will get cleaned up automatically once expired. Security Fixes ZOOKEEPER-2014 Only admin roles should be allowed to reconfigure a cluster ZOOKEEPER-2693 Prevent DOS attack on wchp/wchc four letter words (4lw) Critical Bug Fixes ZOOKEEPER-2383 Solve startup race in ZooKeeperServer ZOOKEEPER-2172 Cluster crashes when reconfig a new node as a participant ZOOKEEPER-2737 NettyServerCnxFactory leaks connection if exception happens while writing to a channel ZOOKEEPER-2247 Zookeeper service becomes unavailable when leader fails to write transaction log ZOOKEEPER-2080 Fix deadlock in dynamic reconfiguration ZOOKEEPER-2687 Deadlock while shutting down the Leader server Stability, Read more The post Apache ZooKeeper 3.


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