Hello,  I install impala/kudu on HDP 2.6.2.2:  impalad version 2.7.0-cdh5-IMPALA_KUDU-cdh5 RELEASE (build 48f1ad385382cd90dbaed53b174965251d91d088)  With impala-shell i created database "imp_kudu" with single table "test_table" When I try to open JDBC connection for "ImpalaJDBC4.jar" driver using url: jdbc:impala://myserver.com:21050/imp_kudu;AuthMech=0 I have the following error Cloudera][ImpalaJDBCDriver](500164) Error initialized or created transport for authentication: Operation timed out (Connection timed out). What kind of problem does this indicate and how can I resolve it? ... View more

I am using HDP-2.6.5.0 with kafka 1.0.0; I have to process large (16M) messages so i set message.max.bytes=18874368replica.fetch.max.bytes = 18874368socket.request.max.bytes =18874368 From Ambary/Kafka configs screen and restarted Kafka services When I try to send 16M messages: /usr/hdp/current/kafka-broker/bin/kafka-console-producer.sh --broker-list <broker-ip>:6667 --topic test < ./big.txt I still have the same error: ERROR Error when sending message to topic test with key: null, value: 16777239 bytes with error: (org.apache.kafka.clients.producer.internals.ErrorLoggingCallback) org.apache.kafka.common.errors.RecordTooLargeException: The message is 16777327 bytes when serialized which is larger than the maximum request size you have configured with the max.request.size configuration. I tried to set max.request.size in producer.properties file but still have the same error. What am I missing? Thank you, ... View more

i have json array like the following: [{"id":"one"}, {"id,"two"}] Any idea how could i "package" it into json "root" like the following: { [{"id":"one"}, {"id,"two"}] } I am trying to use JolttransformJSON but couldn't find any clues how to approach operation like this.... Thank you ... View more