#3371
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Ran 31 Oct 2022 04:38AM UTC

Jobs 1

Files 77

Run time 3s

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Build # #3371

Build Type

push

github-actions

Committed by

ben-manes

Commit Message

Add logging when the cache detects that the key was modified

If the key was modified so that its equals/hashCode changed, then this
violation of the Map contract may cause non-deterministic behavior.

In previous versions a Cache.put could spin forever by assuming it had a
stale read and the removal was in-progress. However, if the entry was
evicted but could not be removed, this led to an infinite loop and the
cause was not described in the method comments so it does not communicate
the user's error.

The cache now logs or throws an exception when this corruption is detected
during map operations (clear, put, replace, remove, computes, eviction). The
put loop now optimistically spin waits up to a threshold before performing a
validation check on the entry through a computation. This way the common case
remains fast, it fails if an error is detected, and it deschedules if the
system is overloaded and was causing a delay for the removal to complete.

Run Details

7424 of 7536 relevant lines covered (98.51%)

0.99 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
1	#3371.1	31 Oct 2022 04:38AM UTC	0	98.51

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