kezhuw commented on code in PR #1852:
URL: https://github.com/apache/zookeeper/pull/1852#discussion_r902455844
##########
zookeeper-server/src/test/java/org/apache/zookeeper/server/persistence/FileTxnSnapLogMetricsTest.java:
##########
@@ -43,38 +40,20 @@
private static final Logger LOG =
LoggerFactory.getLogger(FileTxnSnapLogMetricsTest.class);
- CountDownLatch allCreatedLatch;
-
- private class MockWatcher implements Watcher {
-
- @Override
- public void process(WatchedEvent e) {
- LOG.info("all nodes created");
- allCreatedLatch.countDown();
- }
-
- }
-
@Test
public void testFileTxnSnapLogMetrics() throws Exception {
- SyncRequestProcessor.setSnapCount(100);
+ // disable automatic snapshot taking to leave writes in txn log
+ SyncRequestProcessor.setSnapCount(Integer.MAX_VALUE);
Review Comment:
Cleanup is always a complicated problem. No ones run in identical
environment.
> setting back all "static stuff" we changed in a test is a good practice.
It is actually hard to follow. Given `SyncRequestProcessor.setSnapCount` as
an example, there are 20+ usages in test, only `RecoveryTest.testRecovery`
restores.
Personally, I treat all tests as oneshot and resort to junit's `@Rule`(eg.
`@TempDir`) or similars to cleanup persistent resources.
Anyway, I will add a `@AfterEach` to restore it back in next fixup. 😄
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