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Posted to dev@flink.apache.org by "Piyush Goyal (JIRA)" <ji...@apache.org> on 2019/05/30 01:59:00 UTC

[jira] [Created] (FLINK-12681) Make SimpleCounter thread-safe.

Piyush Goyal created FLINK-12681:
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             Summary: Make SimpleCounter thread-safe.
                 Key: FLINK-12681
                 URL: https://issues.apache.org/jira/browse/FLINK-12681
             Project: Flink
          Issue Type: Improvement
            Reporter: Piyush Goyal


While adding metrics to Elasticsearch connector we noticed that the SimpleCounter which seems like the main implementation of Counter interface is not thread-safe. It makes it tricky/expensive to use it in a multi-threaded context. 

 

It should be a very simple change to make it thread-safe, and the performance benefit (if any) of keeping it thread-unsafe doesn't seem worth the extra care to use it in a multithreaded context. What do you think ?



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