[GitHub] [kylin] zenoyang opened a new pull request #985: KYLIN-4290: Add file lock to kylin startup script to avoid starting multiple instances on one node

[GitBox <gi...@apache.org>]

zenoyang opened a new pull request #985: KYLIN-4290: Add file lock to kylin startup script to avoid starting multiple instances on one node
URL: https://github.com/apache/kylin/pull/985
 
 
   When we restart the Kylin instance, due to the slow start of kylin, some monitoring scripts fail to detect the surviving kylin, and will also start the kylin instance. As a result, there are multiple kylin instances on a node.
   By adding a file lock to the startup script (kylin.sh), it is guaranteed that only one kylin instance will be started when concurrent startup on a node.

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