Page History

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• Java 9 support with significantly faster TLS and CRC32C implementations
• JBOD improvements: disk failure disables the failed disk instead of the broker (KIP-112/KIP-113 part 1)
• Idempotent producer supports a maximum of 5 in-flight requests per connection instead of 1
• Improved metrics (KIP-164, KIP-168, KIP-187, KIP-188, KIP-196) and logging
• Improve diagnostics for SASL and SSL authentication failures (KIP-152)
• Kafka Streams API improvements (KIP-120 / 130 / 138 / 150 / 160 / 161), and drop compatibility "Evolving" annotations 

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