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Posted to dev@bigtop.apache.org by "Evans Ye (JIRA)" <ji...@apache.org> on 2019/01/19 10:00:01 UTC

[jira] [Created] (BIGTOP-3143) Better way to detect whether daemon is up and running

Evans Ye created BIGTOP-3143:
--------------------------------

             Summary: Better way to detect whether daemon is up and running
                 Key: BIGTOP-3143
                 URL: https://issues.apache.org/jira/browse/BIGTOP-3143
             Project: Bigtop
          Issue Type: Bug
          Components: build
            Reporter: Evans Ye


Most of the daemon scripts implemented in Bigtop are using sleep to wait for process to be ready:
https://github.com/apache/bigtop/blob/master/bigtop-packages/src/common/alluxio/alluxio-master.svc#L42-L53

Which is not a good idea since it's not deterministic. Some discussion for a better solution is made in this PR:
https://github.com/apache/bigtop/pull/442



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