Vladsz83 commented on code in PR #13577:
URL: https://github.com/apache/ignite/pull/13577#discussion_r4095525253
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modules/core/src/test/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/IgniteClusterSnapshotSelfTest.java:
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@@ -615,6 +615,43 @@ public void testSnapshotExistsException() throws Exception
{
waitForEvents(EVT_CLUSTER_SNAPSHOT_STARTED,
EVT_CLUSTER_SNAPSHOT_FAILED);
}
+ /**
+ * Tests that snapshot create detects concurrent deletion, or detects
still existing snapshot or successfully
+ * proceeds if snapshot already deleted.
+ */
+ @Test
+ public void testConcurrentSnapshotDeleteOperation() throws Exception {
Review Comment:
This test does cover concurrent snapshot creation operation which cannot
start. Of course, we create cnapshot. With an unexisting snapshot the deletion
doesn't start at all - the metas aren't found. There will be no cuncurrency,
The opposite tests (when deletion cannot start) are in
`IgniteClusterSnapshotDeleteTest`. For example,
`testSnapshotDeleteWhenCreateInProgress`.
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