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https://issues.apache.org/jira/browse/THRIFT-5598?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sylwester Lachiewicz resolved THRIFT-5598.
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    Resolution: Duplicate

Closing as a duplicate of THRIFT-5597 - same title, same reporter, same day, so 
this looks like a double submit.

To be clear, this closes the duplicate ticket and not the defect: the 
contrib/fb303 build failure is unresolved and stays open on THRIFT-5597, which 
is the copy carrying the discussion.

_This comment was created with AI assistance._

> contrib/fb303 does not compile after C++ concurrency code refactor
> ------------------------------------------------------------------
>
>                 Key: THRIFT-5598
>                 URL: https://issues.apache.org/jira/browse/THRIFT-5598
>             Project: Thrift
>          Issue Type: Bug
>          Components: C++ - Library, Contributed
>            Reporter: Michael Leinartas
>            Priority: Minor
>
> contrib/fb303 no longer compiles after THRIFT-4730 removed ReadWriteMutex.
> The ReadWriteMutex used by fb303 is protecting counter statistics. These are 
> very write-heavy and read-light (these are read only when the Service methods 
> getCounters() or getCounter() are called). Because of this, retaining a 
> read-write mutex to protect these counters is unjustified and we can safely 
> swap this out for a normal Mutex.
> Compilation also fails after THRIFT-5168 removed generation of 
> *_constants.cpp and *_constants.h generation because the fb303 Makefile 
> explicitly depends on these unnecessary files



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