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https://issues.apache.org/jira/browse/GEODE-8771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17246726#comment-17246726
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ASF GitHub Bot commented on GEODE-8771:
---------------------------------------
jinmeiliao commented on a change in pull request #5823:
URL: https://github.com/apache/geode/pull/5823#discussion_r539527585
##########
File path:
geode-core/src/main/java/org/apache/geode/internal/cache/AbstractRegionMap.java
##########
@@ -1282,14 +1282,18 @@ public boolean invalidate(EntryEventImpl event, boolean
invokeCallbacks, boolean
DiskRegion dr = owner.getDiskRegion();
boolean ownerIsInitialized = owner.isInitialized();
+ // lock before waitForIndexInit so that we should wait
+ // till a concurrent clear to finish
+ lockForCacheModification(owner, event);
Review comment:
It would bee nice to run a full regression with this change to see if it
will cause another hang. Right now I don't think I am fully qualified to
explain to you on that.
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> concurrent puts and invalidates will cause PR clear to hang
> -----------------------------------------------------------
>
> Key: GEODE-8771
> URL: https://issues.apache.org/jira/browse/GEODE-8771
> Project: Geode
> Issue Type: Sub-task
> Components: core
> Reporter: Jinmei Liao
> Assignee: Jinmei Liao
> Priority: Major
> Labels: GeodeOperationAPI, pull-request-available
>
> On current feature/GEODE-7665 feature branch. The below test will hang:
> {quote}public class PRClearIntegrationTest {
> @Rule
> public ServerStarterRule server = new ServerStarterRule().withAutoStart();
> @Rule
> public ExecutorServiceRule executor = new ExecutorServiceRule();
> @Test
> public void test() throws Exception {
> InternalCache cache = server.getCache();
> Region<Object, Object> region = server.createPartitionRegion("regionA",
> f->{}, f->f.setTotalNumBuckets(1));
> cache.getQueryService().createIndex("indexA", "r", "/regionA r");
> region.put(0, "value0");
> CompletableFuture<Void> put = executor.runAsync(() ->
> {
> Thread.currentThread().setName("put-Thread");
> IntStream.range(0, 1).forEach(i-> region.invalidate(i, i)); }
> );
> CompletableFuture<Void> invalidate = executor.runAsync(() ->
> {
> Thread.currentThread().setName("invalidate-Thread");
> IntStream.range(0, 1).forEach(i-> region.invalidate(0)); }
> );
> CompletableFuture<Void> clear = executor.runAsync(() ->
> {
> Thread.currentThread().setName("Clear-Thread");
> region.clear(); }
> );
> put.get();
> clear.get();
> invalidate.get();
> }
> }
> {quote}
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