【CentOS-7+ Ambari 2.7.0 + HDP 3.0+HAWQ2.3.00】遭遇問題及解決記錄

1、zookeeper超出最大鏈接限制:ambari server檢測到critical錯誤, zookeeper server on ep-bd01:2181 鏈接被積極拒絕,翻看主機上zookeeper的日誌spa

tail -n200 zookeeper-zookeeper-server-ep-bd01.out,發現都是以下錯誤:日誌

2018-08-20 16:59:20,603 [myid:3] - WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@193] - Too many connections from /192.168.58.11 - max is 60
2018-08-20 16:59:20,619 [myid:3] - WARN  [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2181:NIOServerCnxnFactory@193] - Too many connections from /192.168.58.11 - max is 60

搜索後,在ambari界面上添加以下參數[maxClientCnxns],問題解決:code

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