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(Updated Jan. 6, 2015, 2:56 a.m.) Review request for kafka. Bugs: KAFKA-1642 https://issues.apache.org/jira/browse/KAFKA-1642 Repository: kafka Description (updated) ------- KAFKA-1642 Make nodes as connecting before making connect request so exceptions are handled properly. KAFKA-1642 Update last time no nodes were available when updating metadata has to initiate a connection. KAFKA-1642 Don't busy wait trying to send metadata to a node that is connected but has too many in flight requests. Improve handling of fast-fail connection attempts in NetworkClient and add some comments explaining how each branch of maybeUpdateMetadata works. Diffs (updated) ----- clients/src/main/java/org/apache/kafka/clients/NetworkClient.java 525b95e98010cd2053eacd8c321d079bcac2f910 Diff: https://reviews.apache.org/r/28582/diff/ Testing ------- Thanks, Ewen Cheslack-Postava