kbendick commented on a change in pull request #3801:
URL: https://github.com/apache/iceberg/pull/3801#discussion_r775771611
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File path: core/src/test/java/org/apache/iceberg/hadoop/TestCachingCatalog.java
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@@ -257,6 +264,44 @@ public void
testCacheExpirationEagerlyRemovesMetadataTables() throws IOException
catalog.cache().asMap().containsKey(metadataTable)));
}
+ @Test
+ @Ignore("reproduces https://github.com/apache/iceberg/issues/3791";)
+ public void testDeadlock() throws IOException, InterruptedException {
+ HadoopCatalog underlyingCatalog = hadoopCatalog();
+ TestableCachingCatalog catalog =
TestableCachingCatalog.wrap(underlyingCatalog, Duration.ofSeconds(1), ticker);
+ Namespace namespace = Namespace.of("db", "ns1", "ns2");
+ int numThreads = 20;
+ for (int i = 0; i < numThreads; i++) {
+ TableIdentifier tableIdent = TableIdentifier.of(namespace, "tbl" + i);
+ catalog.createTable(tableIdent, SCHEMA, SPEC, ImmutableMap.of("key",
"value"));
Review comment:
Nit / being good citizens: Please make sure all of these tables get
dropped at the end test. Maybe maybe you can iterate over the underlying
catalog in a finally block or an `@After` function somehow (if it's not too
disruptive to the class).
Let me know if you'd like any help in sorting that out structurally etc 🙂
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