jira-importer opened a new issue, #323:
URL: https://github.com/apache/maven-build-cache-extension/issues/323

   **[Marquis 
Wang](https://issues.apache.org/jira/secure/ViewProfile.jspa?name=mwang5)** 
opened 
**[MBUILDCACHE-94](https://issues.apache.org/jira/browse/MBUILDCACHE-94?redirect=false)**
 and commented
   
   When building with the build cache, it would be really helpful to provide a 
report of which modules were unable to utilize and cache, as well as 
information about why.
   
   Right now, when looking at build cache performance, we can use 
`maven.build.cache.failFast` and `maven.build.cache.baselineUrl` to understand 
which module(s) were unable to utilize the build cache and why. However, this 
process is entirely manual.
   
   It would be really helpful to provide some base cache statistics on every 
run, even if no baselineUrl is provided. That way, we can gather overall 
statistics and figure out how to change our project to better utilize the cache.
   
   For example, we have a multi-module project with hundreds of modules. I want 
to know if there is one module that is constantly changing and is depended on 
(possibly unnecessarily) by lots of other modules, which is causing cache 
misses.
   
   
   ---
   No further details from 
[MBUILDCACHE-94](https://issues.apache.org/jira/browse/MBUILDCACHE-94?redirect=false)


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