[CASSANDRA-15409] nodetool compactionstats showing extra pending task for TWCS - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Normal
Resolution: Fixed
Fix Version/s: 3.11.6, 4.0-alpha3, 4.0
Component/s: Tool/nodetool
Labels:
None

Bug Category:
Correctness - Consistency
Severity:
Low
Complexity:
Normal
Discovered By:
User Report
Platform:

All
Impacts:

None
Since Version:

3.0.8
Source Control Link:

https://gitbox.apache.org/repos/asf?p=cassandra.git;a=commitdiff;h=122cf57f1134704769cce9daddf882c3ea578905
Test and Documentation Plan:

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The issues was successfully reproduced and then tested again after the patch, to confirm it is solved

DTests passed too

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The issues was successfully reproduced and then tested again after the patch, to confirm it is solved DTests passed too

Description

Summary: nodetool compactionstats showing extra pending task for TWCS
-----------------
The output of nodetool compactionstats}}can show "pending tasks: 1" when there are actually none. This seems to be a consistent problem in testing C* trunk. In my testing, it looks like the {{nodetool compactionstats counter output is consistently off by 1 as compared to the table output of the tasks

testing with concurrent_compactors: 8

In 12 hours it never ended, always showing 1 pending job

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Assignee:: Ekaterina Dimitrova

Reporter:: Ekaterina Dimitrova

Authors:: Ekaterina Dimitrova

Reviewers:: Stefania Alborghetti

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Dates

Created:: 11/Nov/19 16:08

Updated:: 15/May/20 08:39

Resolved:: 11/Dec/19 16:07