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https://issues.apache.org/jira/browse/IGNITE-19977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17743036#comment-17743036
]
Ignite TC Bot commented on IGNITE-19977:
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{panel:title=Branch: [pull/10842/head] Base: [master] : No blockers
found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
{panel:title=Branch: [pull/10842/head] Base: [master] : New Tests
(4)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}
{color:#00008b}PDS (Indexing){color} [[tests
1|https://ci2.ignite.apache.org/viewLog.html?buildId=7255446]]
* {color:#013220}IgnitePdsWithIndexingTestSuite:
IgnitePdsIndexingDefragmentationTest.testSuccessfulDefragmentationOneThread -
PASSED{color}
{color:#00008b}PDS 8{color} [[tests
3|https://ci2.ignite.apache.org/viewLog.html?buildId=7255444]]
* {color:#013220}IgnitePdsTestSuite8:
IgnitePdsDefragmentationTest.testSuccessfulDefragmentationOneThread -
PASSED{color}
* {color:#013220}IgnitePdsTestSuite8:
IgnitePdsDefragmentationRandomLruEvictionTest.testSuccessfulDefragmentationOneThread
- PASSED{color}
* {color:#013220}IgnitePdsTestSuite8:
IgnitePdsDefragmentationEncryptionTest.testSuccessfulDefragmentationOneThread -
PASSED{color}
{panel}
[TeamCity *--> Run :: All*
Results|https://ci2.ignite.apache.org/viewLog.html?buildId=7255485&buildTypeId=IgniteTests24Java8_RunAll]
> Defragmentation can't use 1 thread.
> -----------------------------------
>
> Key: IGNITE-19977
> URL: https://issues.apache.org/jira/browse/IGNITE-19977
> Project: Ignite
> Issue Type: Bug
> Affects Versions: 2.12
> Reporter: Vladimir Steshin
> Assignee: Vladimir Steshin
> Priority: Minor
> Time Spent: 40m
> Remaining Estimate: 0h
>
> {code:java}
> /**
> * Sets maximum number of partitions which can be defragmented at the
> same time.
> *
> * @param defragmentationThreadPoolSize Maximum number of partitions
> which can be defragmented at the same time.
> * Default is {@link
> DataStorageConfiguration#DFLT_DEFRAGMENTATION_THREAD_POOL_SIZE}.
> * @return {@code this} for chaining.
> */
> public DataStorageConfiguration setDefragmentationThreadPoolSize(int
> defragmentationThreadPoolSize) {
> A.ensure(defragmentationThreadPoolSize > 1, "Defragmentation thread
> pool size must be greater or equal to 1.");
> this.defragmentationThreadPoolSize = defragmentationThreadPoolSize;
> return this;
> }
> {code}
> should compare with 0:
> {code:java}
> A.ensure(defragmentationThreadPoolSize > 0, "Defragmentation thread pool size
> must be greater or equal to 1.");
> {code}
> Defragmentation actually works with just 1 thread. Also, 1 thread seems to be
> a workaround for https://issues.apache.org/jira/browse/IGNITE-19904 . I
> couldn't detect the failure with one defragmentation worker.
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