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https://issues.apache.org/jira/browse/IGNITE-16177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17463659#comment-17463659
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Ignite TC Bot commented on IGNITE-16177:
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{panel:title=Branch: [pull/9679/head] Base: [master] : No blockers
found!|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}{panel}
{panel:title=Branch: [pull/9679/head] Base: [master] : New Tests
(1)|borderStyle=dashed|borderColor=#ccc|titleBGColor=#D6F7C1}
{color:#00008b}Snapshots{color} [[tests
1|https://ci.ignite.apache.org/viewLog.html?buildId=6335238]]
* {color:#013220}IgniteSnapshotTestSuite:
IgniteClusterSnapshotRestoreSelfTest.testRestoreWithEmptyPartitions[Encryption
is disabled] - PASSED{color}
{panel}
[TeamCity *--> Run :: All*
Results|https://ci.ignite.apache.org/viewLog.html?buildId=6335241&buildTypeId=IgniteTests24Java8_RunAll]
> Snapshot restore operation may hang if cache contains "empty" partitions
> ------------------------------------------------------------------------
>
> Key: IGNITE-16177
> URL: https://issues.apache.org/jira/browse/IGNITE-16177
> Project: Ignite
> Issue Type: Bug
> Affects Versions: 2.12
> Reporter: Pavel Pereslegin
> Assignee: Pavel Pereslegin
> Priority: Blocker
> Labels: iep-43
> Time Spent: 10m
> Remaining Estimate: 0h
>
> The snapshot restore may hang when some of the cache group partitions have
> not been physically created (for example, there is not enough data in the
> cache).
> Reproducer
> {code:java}
> public class IgniteClusterSnapshotRestoreEmptyPartsTest extends
> IgniteClusterSnapshotRestoreBaseTest {
> @Test
> public void testRestoreWithEmptyPartition() throws Exception {
> // Cache with 1024 partitions.
> CacheConfiguration<Integer, Object> cacheCfg1 = new
> CacheConfiguration<>(CACHE1);
> // Add only 10 keys (only 10 partitions will be created on the disk).
> IgniteEx ignite = startGridsWithCache(1, 10, Integer::new, cacheCfg1);
> // Snapshot contains only 10 (out of 1024 "affinity" partitions).
> ignite.snapshot().createSnapshot(SNAPSHOT_NAME).get(TIMEOUT);
> ignite.cache(CACHE1).destroy();
> // The restore operation hangs during the "preload" phase.
> ignite.snapshot().restoreSnapshot(SNAPSHOT_NAME, null).get(TIMEOUT);
> }
> }
> {code}
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