Vladimir Steshin created IGNITE-19977:
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Summary: Defragmentation is now allowed to use 1 thread.
Key: IGNITE-19977
URL: https://issues.apache.org/jira/browse/IGNITE-19977
Project: Ignite
Issue Type: Bug
Reporter: Vladimir Steshin
Assignee: Vladimir Steshin
{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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