awrigh11 opened a new issue, #3499:
URL: https://github.com/apache/accumulo/issues/3499
**Describe the bug**
The Reference Stream created in GCRun.getReferences() appears to be taking
longer to iterate through than the Reference iterator that was implemented in
1.10.
Our GC cycles are taking at least 3x longer on accumulo 2.1.1 than they did
in 1.10. We performed a jstack on the gc cycle and virtually all the time was
spent iterating through the stream.
Note: The GC cycles are taking 3x when candidate batching does not occur.
When candidate batching occurs GC cycle times increase by X more times (where X
is the number of batches) (For example: when we perform 4 batches, the GC
cycles were about 12x longer than they were in 1.10)
**Versions (OS, Maven, Java, and others, as appropriate):**
- Affected version(s) of this project: 2.1.1
**To Reproduce**
Run a Jstack on a GC cycle on a cluster
**Expected behavior**
The GC cycle times would not signifcantly increase between versions
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