shishkovilja commented on code in PR #12160:
URL: https://github.com/apache/ignite/pull/12160#discussion_r2332772077
##########
modules/compress/src/test/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/SnapshotCompressionBasicTest.java:
##########
@@ -223,6 +226,8 @@ public void testRestoreFail_OnGridWithoutCompression()
throws Exception {
"from snapshot '" + snpName + "' are compressed while disk
page compression is disabled. To check " +
"these groups please start Ignite with ignite-compress"
);
+
+ waitDestruction();
Review Comment:
What do we wait here? Is there even one cache destroy here?
##########
modules/compress/src/test/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/SnapshotCompressionBasicTest.java:
##########
@@ -498,4 +505,15 @@ static class Value {
return Objects.hash(name);
}
}
+
+ /** */
+ private void waitDestruction() {
+ try {
+ // Wait for caches to be completely destroyed
+ Thread.sleep(1000L);
Review Comment:
It ensures nothing. Any GC-pause or delay and test will become flaky again.
##########
modules/compress/src/test/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/SnapshotCompressionBasicTest.java:
##########
@@ -203,6 +204,8 @@ private void testRestoreFullSnapshot(int gridCnt) throws
Exception {
finally {
locEvts.clear();
}
+
+ waitDestruction();
Review Comment:
Let's move it to before test.
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